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[3.19.y-ckt stable] Linux 3.19.8-ckt8 stable review

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  [3.19.y-ckt stable] Linux 3.19.8-ckt8 stable review Kamal Mostafa <kamal@canonical.com> - 2015-10-20 23:40 +0200
    [PATCH 3.19.y-ckt 001/156] USB: whiteheat: fix potential null-deref at probe Kamal Mostafa <kamal@canonical.com> - 2015-10-20 23:40 +0200
    [PATCH 3.19.y-ckt 139/156] IB/iser: Fix missing return status check in iser_send_data_out Kamal Mostafa <kamal@canonical.com> - 2015-10-20 23:50 +0200
    [PATCH 3.19.y-ckt 133/156] mmc: sdhci: also get preset value and driver type for MMC_DDR52 Kamal Mostafa <kamal@canonical.com> - 2015-10-20 23:50 +0200
    [PATCH 3.19.y-ckt 126/156] perf hists: Update the column width for the "srcline" sort key Kamal Mostafa <kamal@canonical.com> - 2015-10-20 23:50 +0200
    [PATCH 3.19.y-ckt 148/156] task_work: remove fifo ordering guarantee Kamal Mostafa <kamal@canonical.com> - 2015-10-20 23:50 +0200
    [PATCH 3.19.y-ckt 147/156] IB/mlx5: avoid destroying a NULL mr in reg_user_mr error flow Kamal Mostafa <kamal@canonical.com> - 2015-10-20 23:50 +0200
      RE: [PATCH 3.19.y-ckt 147/156] IB/mlx5: avoid destroying a NULL mr in  reg_user_mr error flow Eli Cohen <eli@mellanox.com> - 2015-10-21 00:30 +0200
    [PATCH 3.19.y-ckt 155/156] netlink, mmap: fix edge-case leakages in nf queue zero-copy Kamal Mostafa <kamal@canonical.com> - 2015-10-20 23:50 +0200
    [PATCH 3.19.y-ckt 123/156] clk: versatile: off by one in clk_sp810_timerclken_of_get() Kamal Mostafa <kamal@canonical.com> - 2015-10-20 23:50 +0200
    [PATCH 3.19.y-ckt 110/156] lib/decompressors: use real out buf size for gunzip with kernel Kamal Mostafa <kamal@canonical.com> - 2015-10-20 23:50 +0200
    [PATCH 3.19.y-ckt 145/156] ipv6: fix exthdrs offload registration in out_rt path Kamal Mostafa <kamal@canonical.com> - 2015-10-20 23:50 +0200
    [PATCH 3.19.y-ckt 070/156] sched: Fix cpu_active_mask/cpu_online_mask race Kamal Mostafa <kamal@canonical.com> - 2015-10-20 23:50 +0200
    [PATCH 3.19.y-ckt 144/156] sock, diag: fix panic in sock_diag_put_filterinfo Kamal Mostafa <kamal@canonical.com> - 2015-10-20 23:50 +0200
    [PATCH 3.19.y-ckt 153/156] batman-adv: Make DAT capability changes atomic Kamal Mostafa <kamal@canonical.com> - 2015-10-20 23:50 +0200
    [PATCH 3.19.y-ckt 127/156] batman-adv: Fix potentially broken skb network header access Kamal Mostafa <kamal@canonical.com> - 2015-10-20 23:50 +0200
    [PATCH 3.19.y-ckt 141/156] IB/uverbs: Fix race between ib_uverbs_open and remove_one Kamal Mostafa <kamal@canonical.com> - 2015-10-20 23:50 +0200
    [PATCH 3.19.y-ckt 136/156] IB/mlx4: Fix potential deadlock when sending mad to wire Kamal Mostafa <kamal@canonical.com> - 2015-10-20 23:50 +0200
    [PATCH 3.19.y-ckt 142/156] mmc: core: fix race condition in mmc_wait_data_done Kamal Mostafa <kamal@canonical.com> - 2015-10-20 23:50 +0200
    [PATCH 3.19.y-ckt 132/156] ath10k: fix dma_mapping_error() handling Kamal Mostafa <kamal@canonical.com> - 2015-10-20 23:50 +0200
    [PATCH 3.19.y-ckt 156/156] scsi_dh: fix randconfig build error Kamal Mostafa <kamal@canonical.com> - 2015-10-20 23:50 +0200
    [PATCH 3.19.y-ckt 154/156] batman-adv: Make NC capability changes atomic Kamal Mostafa <kamal@canonical.com> - 2015-10-20 23:50 +0200
    [PATCH 3.19.y-ckt 150/156] net: dsa: bcm_sf2: Fix 64-bits register writes Kamal Mostafa <kamal@canonical.com> - 2015-10-20 23:50 +0200
    [PATCH 3.19.y-ckt 134/156] perf stat: Get correct cpu id for print_aggr Kamal Mostafa <kamal@canonical.com> - 2015-10-20 23:50 +0200
    [PATCH 3.19.y-ckt 151/156] thermal: exynos: Disable the regulator on probe failure Kamal Mostafa <kamal@canonical.com> - 2015-10-20 23:50 +0200
    [PATCH 3.19.y-ckt 135/156] ASoC: spear_pcm: Use devm_snd_dmaengine_pcm_register to fix resource leak Kamal Mostafa <kamal@canonical.com> - 2015-10-20 23:50 +0200
    [PATCH 3.19.y-ckt 140/156] IB/iser: Fix possible bogus DMA unmapping Kamal Mostafa <kamal@canonical.com> - 2015-10-20 23:50 +0200
    [PATCH 3.19.y-ckt 143/156] drm/i915: Preserve SSC earlier Kamal Mostafa <kamal@canonical.com> - 2015-10-20 23:50 +0200
    [PATCH 3.19.y-ckt 108/156] hfs,hfsplus: cache pages correctly between bnode_create and bnode_free Kamal Mostafa <kamal@canonical.com> - 2015-10-20 23:50 +0200
    [PATCH 3.19.y-ckt 131/156] KVM: PPC: Book3S HV: Fix race in reading change bit when removing HPTE Kamal Mostafa <kamal@canonical.com> - 2015-10-20 23:50 +0200
    [PATCH 3.19.y-ckt 146/156] cpufreq: dt: Tolerance applies on both sides of target voltage Kamal Mostafa <kamal@canonical.com> - 2015-10-20 23:50 +0200
    [PATCH 3.19.y-ckt 109/156] hfs: fix B-tree corruption after insertion at position 0 Kamal Mostafa <kamal@canonical.com> - 2015-10-20 23:50 +0200
    [PATCH 3.19.y-ckt 125/156] windfarm: decrement client count when unregistering Kamal Mostafa <kamal@canonical.com> - 2015-10-20 23:50 +0200
    [PATCH 3.19.y-ckt 116/156] x86/mm: Initialize pmd_idx in page_table_range_init_count() Kamal Mostafa <kamal@canonical.com> - 2015-10-20 23:50 +0200
    [PATCH 3.19.y-ckt 137/156] IB/mlx4: Forbid using sysfs to change RoCE pkeys Kamal Mostafa <kamal@canonical.com> - 2015-10-20 23:50 +0200
    [PATCH 3.19.y-ckt 138/156] IB/mlx4: Use correct SL on AH query under RoCE Kamal Mostafa <kamal@canonical.com> - 2015-10-20 23:50 +0200
    [PATCH 3.19.y-ckt 149/156] ebpf: fix fd refcount leaks related to maps in bpf syscall Kamal Mostafa <kamal@canonical.com> - 2015-10-20 23:50 +0200
    [PATCH 3.19.y-ckt 124/156] usb: gadget: m66592-udc: forever loop in set_feature() Kamal Mostafa <kamal@canonical.com> - 2015-10-20 23:50 +0200
    [PATCH 3.19.y-ckt 120/156] powerpc/rtas: Introduce rtas_get_sensor_fast() for IRQ handlers Kamal Mostafa <kamal@canonical.com> - 2015-10-20 23:50 +0200
    [PATCH 3.19.y-ckt 152/156] svcrdma: Fix send_reply() scatter/gather set-up Kamal Mostafa <kamal@canonical.com> - 2015-10-20 23:50 +0200
    [PATCH 3.19.y-ckt 118/156] net: bcmgenet: Delay PHY initialization to bcmgenet_open() Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:00 +0200
    [PATCH 3.19.y-ckt 103/156] PCI,parisc: Enable 64-bit bus addresses on PA-RISC Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:00 +0200
    [PATCH 3.19.y-ckt 113/156] PCI: Fix TI816X class code quirk Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:00 +0200
    [PATCH 3.19.y-ckt 097/156] mm: check if section present during memory block registering Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:00 +0200
    [PATCH 3.19.y-ckt 112/156] pcmcia: sa11x0: fix missing clk_put() in sa11x0 socket drivers Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:00 +0200
    [PATCH 3.19.y-ckt 101/156] rtc: s5m: fix to update ctrl register Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:00 +0200
    [PATCH 3.19.y-ckt 117/156] net: bcmgenet: Use correct dev_id for free_irq Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:00 +0200
    [PATCH 3.19.y-ckt 121/156] clk: qcom: Set CLK_SET_RATE_PARENT on ce1 clocks Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:00 +0200
    [PATCH 3.19.y-ckt 106/156] drm/i915: Limit the number of loops for reading a split 64bit register Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:00 +0200
    [PATCH 3.19.y-ckt 122/156] jbd2: avoid infinite loop when destroying aborted journal Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:00 +0200
    [PATCH 3.19.y-ckt 105/156] vmscan: fix increasing nr_isolated incurred by putback unevictable pages Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:00 +0200
    [PATCH 3.19.y-ckt 115/156] PM / clk: don't return int on __pm_clk_enable() Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:00 +0200
    [PATCH 3.19.y-ckt 114/156] pinctrl: single: dra7: remove PCS_QUIRK_SHARED_IRQ Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:00 +0200
    [PATCH 3.19.y-ckt 130/156] bridge: fix netlink max attr size Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:00 +0200
    [PATCH 3.19.y-ckt 129/156] mtd: pxa3xx_nand: add a default chunk size Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:00 +0200
    [PATCH 3.19.y-ckt 100/156] ALSA: hda - Use ALC880_FIXUP_FUJITSU for FSC Amilo M1437 Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:00 +0200
    [PATCH 3.19.y-ckt 119/156] net: dsa: bcm_sf2: Do not override speed settings Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:00 +0200
    [PATCH 3.19.y-ckt 111/156] drm/qxl: validate monitors config modes Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:00 +0200
    [PATCH 3.19.y-ckt 128/156] powerpc/mm: Fix pte_pagesize_index() crash on 4K w/64K hash Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:00 +0200
    [PATCH 3.19.y-ckt 102/156] scsi: fix scsi_error_handler vs. scsi_host_dev_release race Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:00 +0200
    [PATCH 3.19.y-ckt 096/156] crypto: ghash-clmulni: specify context size for ghash async algorithm Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:00 +0200
    [PATCH 3.19.y-ckt 107/156] watchdog: sunxi: fix activation of system reset Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:00 +0200
    [PATCH 3.19.y-ckt 086/156] drm/radeon/atom: Send out the full AUX address Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:10 +0200
    [PATCH 3.19.y-ckt 092/156] Add radeon suspend/resume quirk for HP Compaq dc5750. Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:10 +0200
    [PATCH 3.19.y-ckt 093/156] IB/uverbs: reject invalid or unknown opcodes Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:10 +0200
    [PATCH 3.19.y-ckt 087/156] net: sunrpc: fix tracepoint Warning: unknown op '->' Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:10 +0200
    [PATCH 3.19.y-ckt 091/156] drm/i915: Always mark the object as dirty when used by the GPU Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:10 +0200
    [PATCH 3.19.y-ckt 095/156] Input: evdev - do not report errors form flush() Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:10 +0200
    [PATCH 3.19.y-ckt 078/156] ALSA: usb-audio: correct the value cache check. Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:10 +0200
    [PATCH 3.19.y-ckt 083/156] spi: sh-msiof: Fix FIFO size to 64 word from 256 word Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:10 +0200
    [PATCH 3.19.y-ckt 073/156] drivercore: Fix unregistration path of platform devices Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:10 +0200
    [PATCH 3.19.y-ckt 077/156] xfs: return errors from partial I/O failures to files Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:10 +0200
    [PATCH 3.19.y-ckt 069/156] xfs: Fix file type directory corruption for btree directories Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:10 +0200
    [PATCH 3.19.y-ckt 076/156] clk: s5pv210: add missing call to samsung_clk_of_add_provider() Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:10 +0200
    [PATCH 3.19.y-ckt 074/156] arm64: flush FP/SIMD state correctly after execve() Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:10 +0200
    [PATCH 3.19.y-ckt 067/156] DRM - radeon: Don't link train DisplayPort on HPD until we get the dpcd Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:10 +0200
    [PATCH 3.19.y-ckt 104/156] parisc: Use double word condition in 64bit CAS operation Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:10 +0200
    [PATCH 3.19.y-ckt 068/156] PCI: Disable async suspend/resume for JMicron multi-function SATA/AHCI Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:10 +0200
    [PATCH 3.19.y-ckt 081/156] IB/srp: Handle partial connection success correctly Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:10 +0200
    [PATCH 3.19.y-ckt 080/156] pinctrl: at91: fix null pointer dereference Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:10 +0200
    [PATCH 3.19.y-ckt 094/156] hpfs: update ctime and mtime on directory modification Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:10 +0200
    [PATCH 3.19.y-ckt 084/156] drm/i915: Check DP link status on long hpd too Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:10 +0200
    [PATCH 3.19.y-ckt 071/156] rtlwifi: rtl8192cu: Add new device ID Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:10 +0200
    [PATCH 3.19.y-ckt 075/156] mmc: sdhci-pci: set the clear transfer mode register quirk for O2Micro Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:10 +0200
    [PATCH 3.19.y-ckt 082/156] IB/srp: Stop the scsi_eh_<n> and scsi_tmf_<n> threads if login fails Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:10 +0200
    [PATCH 3.19.y-ckt 085/156] drm/i915: apply the PCI_D0/D3 hibernation workaround everywhere on pre GEN6 Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:10 +0200
    [PATCH 3.19.y-ckt 072/156] of/address: Don't loop forever in of_find_matching_node_by_address(). Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:10 +0200
    [PATCH 3.19.y-ckt 090/156] tg3: Fix temperature reporting Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:10 +0200
    [PATCH 3.19.y-ckt 066/156] ARM: orion5x: fix legacy orion5x IRQ numbers Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:10 +0200
    [PATCH 3.19.y-ckt 088/156] nfsd: ensure that the ol stateid hash reference is only put once Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:10 +0200
    [PATCH 3.19.y-ckt 055/156] USB: qcserial: add HP lt4111 LTE/EV-DO/HSPA+ Gobi 4G Module Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:10 +0200
    [PATCH 3.19.y-ckt 038/156] x86/mce: Reenable CMCI banks when swiching back to interrupt mode Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:10 +0200
    [PATCH 3.19.y-ckt 089/156] nfsd: ensure that delegation stateid hash references are only put once Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:10 +0200
    [PATCH 3.19.y-ckt 057/156] HID: usbhid: Fix the check for HID_RESET_PENDING in hid_io_error Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:20 +0200
    [PATCH 3.19.y-ckt 042/156] drivers: usb: fsl: Workaround for USB erratum-A005275 Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:20 +0200
    [PATCH 3.19.y-ckt 033/156] iio: industrialio-buffer: Fix iio_buffer_poll return value Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:20 +0200
    [PATCH 3.19.y-ckt 048/156] blk-mq: fix race between timeout and freeing request Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:20 +0200
    [PATCH 3.19.y-ckt 036/156] unshare: Unsharing a thread does not require unsharing a vm Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:20 +0200
    [PATCH 3.19.y-ckt 040/156] regulator: pbias: Fix broken pbias disable functionality Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:20 +0200
    [PATCH 3.19.y-ckt 032/156] iio: bmg160: IIO_BUFFER and IIO_TRIGGERED_BUFFER are required Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:20 +0200
    [PATCH 3.19.y-ckt 016/156] staging: comedi: usbduxsigma: don't clobber ao_timer in command test Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:20 +0200
    [PATCH 3.19.y-ckt 061/156] s390/setup: fix novx parameter Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:20 +0200
    [PATCH 3.19.y-ckt 044/156] serial: 8250: bind to ALi Fast Infrared Controller (ALI5123) Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:20 +0200
    [PATCH 3.19.y-ckt 037/156] fs: Set the size of empty dirs to 0. Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:20 +0200
    [PATCH 3.19.y-ckt 050/156] NFS: nfs_set_pgio_error sometimes misses errors Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:20 +0200
    [PATCH 3.19.y-ckt 046/156] ext4: don't manipulate recovery flag when freezing no-journal fs Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:20 +0200
    [PATCH 3.19.y-ckt 015/156] staging: comedi: usbduxsigma: don't clobber ai_timer in command test Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:20 +0200
    [PATCH 3.19.y-ckt 051/156] NFS: Fix a NULL pointer dereference of migration recovery ops for v4.2 client Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:20 +0200
    [PATCH 3.19.y-ckt 035/156] NFSv4: don't set SETATTR for O_RDONLY|O_EXCL Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:20 +0200
    [PATCH 3.19.y-ckt 002/156] dcache: Handle escaped paths in prepend_path Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:20 +0200
    [PATCH 3.19.y-ckt 031/156] ASoC: rt5640: fix line out no sound issue Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:20 +0200
    [PATCH 3.19.y-ckt 065/156] ASoC: samsung: Remove redundant arndale_audio_remove Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:20 +0200
    [PATCH 3.19.y-ckt 049/156] xtensa: fix kernel register spilling Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:20 +0200
    [PATCH 3.19.y-ckt 056/156] igb: Fix oops caused by missing queue pairing Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:20 +0200
    [PATCH 3.19.y-ckt 030/156] ideapad-laptop: Add Lenovo Yoga 3 14 to no_hw_rfkill dmi list Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:20 +0200
    [PATCH 3.19.y-ckt 047/156] blk-mq: fix buffer overflow when reading sysfs file of 'pending' Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:20 +0200
    [PATCH 3.19.y-ckt 041/156] drivers: usb :fsl: Implement Workaround for USB Erratum A007792 Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:20 +0200
    [PATCH 3.19.y-ckt 043/156] serial: 8250: don't bind to SMSC IrCC IR port Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:20 +0200
    [PATCH 3.19.y-ckt 064/156] Btrfs: check if previous transaction aborted to avoid fs corruption Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:20 +0200
    [PATCH 3.19.y-ckt 053/156] USB: symbolserial: Use usb_get_serial_port_data Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:20 +0200
    [PATCH 3.19.y-ckt 034/156] iio: event: Remove negative error code from iio_event_poll Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:20 +0200
    [PATCH 3.19.y-ckt 063/156] ASoC: arizona: Fix gain settings of FLL in free-run mode Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:20 +0200
    [PATCH 3.19.y-ckt 062/156] arm64: kconfig: Move LIST_POISON to a safe value Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:20 +0200
    [PATCH 3.19.y-ckt 039/156] ASoC: adav80x: Remove .read_flag_mask setting from adav80x_regmap_config Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:20 +0200
    [PATCH 3.19.y-ckt 014/156] PCI: Add VPD function 0 quirk for Intel Ethernet devices Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:20 +0200
    [PATCH 3.19.y-ckt 045/156] staging: comedi: adl_pci7x3x: fix digital output on PCI-7230 Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:20 +0200
    [PATCH 3.19.y-ckt 060/156] xfs: Fix xfs_attr_leafblock definition Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:20 +0200
    [PATCH 3.19.y-ckt 052/156] usb: host: ehci-sys: delete useless bus_to_hcd conversion Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:20 +0200
    [PATCH 3.19.y-ckt 059/156] libxfs: readahead of dir3 data blocks should use the read verifier Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:20 +0200
    [PATCH 3.19.y-ckt 028/156] iio: Add inverse unit conversion macros Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:30 +0200
    [PATCH 3.19.y-ckt 017/156] clk: exynos4: Fix wrong clock for Exynos4x12 ADC Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:30 +0200
    [PATCH 3.19.y-ckt 011/156] mac80211: enable assoc check for mesh interfaces Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:30 +0200
    [PATCH 3.19.y-ckt 013/156] PCI: Add dev_flags bit to access VPD through function 0 Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:30 +0200
    [PATCH 3.19.y-ckt 022/156] Doc: ABI: testing: configfs-usb-gadget-sourcesink Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:30 +0200
    [PATCH 3.19.y-ckt 009/156] xtensa: fix threadptr reload on return to userspace Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:30 +0200
    [PATCH 3.19.y-ckt 018/156] USB: pl2303: fix baud-rate divisor calculations Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:30 +0200
    [PATCH 3.19.y-ckt 027/156] iio: adis16400: Fix adis16448 gyroscope scale Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:30 +0200
    [PATCH 3.19.y-ckt 010/156] ARM: OMAP2+: DRA7: clockdomain: change l4per2_7xx_clkdm to SW_WKUP Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:30 +0200
    [PATCH 3.19.y-ckt 020/156] usb: gadget: f_uac2: finalize wMaxPacketSize according to bandwidth Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:30 +0200
    [PATCH 3.19.y-ckt 019/156] usb: dwc3: ep0: Fix mem corruption on OUT transfers of more than 512 bytes Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:30 +0200
    [PATCH 3.19.y-ckt 003/156] vfs: Test for and handle paths that are unreachable from their mnt_root Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:30 +0200
    [PATCH 3.19.y-ckt 021/156] Doc: ABI: testing: configfs-usb-gadget-loopback Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:30 +0200
    [PATCH 3.19.y-ckt 029/156] iio: adis16480: Fix scale factors Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:30 +0200
    [PATCH 3.19.y-ckt 025/156] auxdisplay: ks0108: fix refcount Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:30 +0200
    [PATCH 3.19.y-ckt 023/156] serial: 8250_pci: Add support for Pericom PI7C9X795[1248] Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:30 +0200
    [PATCH 3.19.y-ckt 012/156] rtlwifi: rtl8821ae: Fix an expression that is always false Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:30 +0200
    [PATCH 3.19.y-ckt 024/156] KVM: MMU: fix validation of mmio page fault Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:30 +0200
    [PATCH 3.19.y-ckt 006/156] [media] rc-core: fix remove uevent generation Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:30 +0200
    [PATCH 3.19.y-ckt 008/156] HID: cp2112: fix byte order in SMBUS operations Kamal Mostafa <kamal@canonical.com> - 2015-10-21 00:30 +0200

Page 7 of 8 — ← Prev page 1 2 3 4 5 6 [7] 8  Next page →

#1252212 — [PATCH 3.19.y-ckt 034/156] iio: event: Remove negative error code from iio_event_poll

3.19.8-ckt8 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: Cristina Opriceana <cristina.opriceana@gmail.com>

commit 41d903c00051d8f31c98a8136edbac67e6f8688f upstream.

Negative return values are not supported by iio_event_poll since
its return type is unsigned int.

Fixes: f18e7a068a0a3 ("iio: Return -ENODEV for file operations if the device has been unregistered")

Signed-off-by: Cristina Opriceana <cristina.opriceana@gmail.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
---
 drivers/iio/industrialio-event.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/iio/industrialio-event.c b/drivers/iio/industrialio-event.c
index 35c02ae..158a760 100644
--- a/drivers/iio/industrialio-event.c
+++ b/drivers/iio/industrialio-event.c
@@ -84,7 +84,7 @@ static unsigned int iio_event_poll(struct file *filep,
 	unsigned int events = 0;
 
 	if (!indio_dev->info)
-		return -ENODEV;
+		return events;
 
 	poll_wait(filep, &ev_int->wait, wait);
 
-- 
1.9.1

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#1252213 — [PATCH 3.19.y-ckt 063/156] ASoC: arizona: Fix gain settings of FLL in free-run mode

3.19.8-ckt8 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: Nikesh Oswal <Nikesh.Oswal@wolfsonmicro.com>

commit 1cf5a330c05ae37a0a98ac7c9800a6f50d5579ec upstream.

The wrong register was used to set the gain of ref loop, when changing
the FLL output on an active FLL. This patch corrects the offset of the
gain register.

Signed-off-by: Nikesh Oswal <Nikesh.Oswal@wolfsonmicro.com>
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
---
 sound/soc/codecs/arizona.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/soc/codecs/arizona.c b/sound/soc/codecs/arizona.c
index 9550d74..22cebb1 100644
--- a/sound/soc/codecs/arizona.c
+++ b/sound/soc/codecs/arizona.c
@@ -1851,7 +1851,7 @@ static int arizona_enable_fll(struct arizona_fll *fll)
 
 	if (already_enabled) {
 		/* Facilitate smooth refclk across the transition */
-		regmap_update_bits_async(fll->arizona->regmap, fll->base + 0x7,
+		regmap_update_bits_async(fll->arizona->regmap, fll->base + 0x9,
 					 ARIZONA_FLL1_GAIN_MASK, 0);
 		regmap_update_bits_async(fll->arizona->regmap, fll->base + 1,
 					 ARIZONA_FLL1_FREERUN,
-- 
1.9.1

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#1252214 — [PATCH 3.19.y-ckt 062/156] arm64: kconfig: Move LIST_POISON to a safe value

3.19.8-ckt8 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: Jeff Vander Stoep <jeffv@google.com>

commit bf0c4e04732479f650ff59d1ee82de761c0071f0 upstream.

Move the poison pointer offset to 0xdead000000000000, a
recognized value that is not mappable by user-space exploits.

Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Thierry Strudel <tstrudel@google.com>
Signed-off-by: Jeff Vander Stoep <jeffv@google.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
---
 arch/arm64/Kconfig | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index 840c232..5fee0bd 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -97,6 +97,10 @@ config NO_IOPORT_MAP
 config STACKTRACE_SUPPORT
 	def_bool y
 
+config ILLEGAL_POINTER_VALUE
+	hex
+	default 0xdead000000000000
+
 config LOCKDEP_SUPPORT
 	def_bool y
 
-- 
1.9.1

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#1252215 — [PATCH 3.19.y-ckt 039/156] ASoC: adav80x: Remove .read_flag_mask setting from adav80x_regmap_config

3.19.8-ckt8 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: Axel Lin <axel.lin@ingics.com>

commit 9d8352864907f0ad76124c5b28f65b5a382d7d7c upstream.

Don't set .read_flag_mask for adav803, it's for adav801 only.

Fixes: 0c2d69645628 ("ASoC: adav80x: Split SPI and I2C code into different modules")
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
---
 sound/soc/codecs/adav80x.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/sound/soc/codecs/adav80x.c b/sound/soc/codecs/adav80x.c
index 4373ada..3a91a00 100644
--- a/sound/soc/codecs/adav80x.c
+++ b/sound/soc/codecs/adav80x.c
@@ -864,7 +864,6 @@ const struct regmap_config adav80x_regmap_config = {
 	.val_bits = 8,
 	.pad_bits = 1,
 	.reg_bits = 7,
-	.read_flag_mask = 0x01,
 
 	.max_register = ADAV80X_PLL_OUTE,
 
-- 
1.9.1

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#1252216 — [PATCH 3.19.y-ckt 014/156] PCI: Add VPD function 0 quirk for Intel Ethernet devices

3.19.8-ckt8 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: Mark Rustad <mark.d.rustad@intel.com>

commit 7aa6ca4d39edf01f997b9e02cf6d2fdeb224f351 upstream.

Set the PCI_DEV_FLAGS_VPD_REF_F0 flag on all Intel Ethernet device
functions other than function 0, so that on multi-function devices, we will
always read VPD from function 0 instead of from the other functions.

[bhelgaas: changelog]
Signed-off-by: Mark Rustad <mark.d.rustad@intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Alexander Duyck <alexander.h.duyck@redhat.com>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
---
 drivers/pci/quirks.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index 903d507..cfa0f20 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -1903,6 +1903,15 @@ static void quirk_netmos(struct pci_dev *dev)
 DECLARE_PCI_FIXUP_CLASS_HEADER(PCI_VENDOR_ID_NETMOS, PCI_ANY_ID,
 			 PCI_CLASS_COMMUNICATION_SERIAL, 8, quirk_netmos);
 
+static void quirk_f0_vpd_link(struct pci_dev *dev)
+{
+	if (!dev->multifunction || !PCI_FUNC(dev->devfn))
+		return;
+	dev->dev_flags |= PCI_DEV_FLAGS_VPD_REF_F0;
+}
+DECLARE_PCI_FIXUP_CLASS_EARLY(PCI_VENDOR_ID_INTEL, PCI_ANY_ID,
+			      PCI_CLASS_NETWORK_ETHERNET, 8, quirk_f0_vpd_link);
+
 static void quirk_e100_interrupt(struct pci_dev *dev)
 {
 	u16 command, pmcsr;
-- 
1.9.1

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#1252217 — [PATCH 3.19.y-ckt 045/156] staging: comedi: adl_pci7x3x: fix digital output on PCI-7230

3.19.8-ckt8 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: Ian Abbott <abbotti@mev.co.uk>

commit ad83dbd974feb2e2a8cc071a1d28782bd4d2c70e upstream.

The "adl_pci7x3x" driver replaced the "adl_pci7230" and "adl_pci7432"
drivers in commits 8f567c373c4b ("staging: comedi: new adl_pci7x3x
driver") and 657f77d173d3 ("staging: comedi: remove adl_pci7230 and
adl_pci7432 drivers").  Although the new driver code agrees with the
user manuals for the respective boards, digital outputs stopped working
on the PCI-7230.  This has 16 digital output channels and the previous
adl_pci7230 driver shifted the 16 bit output state left by 16 bits
before writing to the hardware register.  The new adl_pci7x3x driver
doesn't do that.  Fix it in `adl_pci7x3x_do_insn_bits()` by checking
for the special case of the subdevice having only 16 channels and
duplicating the 16 bit output state into both halves of the 32-bit
register.  That should work both for what the board actually does and
for what the user manual says it should do.

Fixes: 8f567c373c4b ("staging: comedi: new adl_pci7x3x driver")
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
---
 drivers/staging/comedi/drivers/adl_pci7x3x.c | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/comedi/drivers/adl_pci7x3x.c b/drivers/staging/comedi/drivers/adl_pci7x3x.c
index fb8e5f5..3346c07 100644
--- a/drivers/staging/comedi/drivers/adl_pci7x3x.c
+++ b/drivers/staging/comedi/drivers/adl_pci7x3x.c
@@ -113,8 +113,20 @@ static int adl_pci7x3x_do_insn_bits(struct comedi_device *dev,
 {
 	unsigned long reg = (unsigned long)s->private;
 
-	if (comedi_dio_update_state(s, data))
-		outl(s->state, dev->iobase + reg);
+	if (comedi_dio_update_state(s, data)) {
+		unsigned int val = s->state;
+
+		if (s->n_chan == 16) {
+			/*
+			 * It seems the PCI-7230 needs the 16-bit DO state
+			 * to be shifted left by 16 bits before being written
+			 * to the 32-bit register.  Set the value in both
+			 * halves of the register to be sure.
+			 */
+			val |= val << 16;
+		}
+		outl(val, dev->iobase + reg);
+	}
 
 	data[1] = s->state;
 
-- 
1.9.1

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#1252218 — [PATCH 3.19.y-ckt 060/156] xfs: Fix xfs_attr_leafblock definition

3.19.8-ckt8 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: Jan Kara <jack@suse.com>

commit ffeecc5213024ae663377b442eedcfbacf6d0c5d upstream.

struct xfs_attr_leafblock contains 'entries' array which is declared
with size 1 altough it can in fact contain much more entries. Since this
array is followed by further struct members, gcc (at least in version
4.8.3) thinks that the array has the fixed size of 1 element and thus
may optimize away all accesses beyond the end of array resulting in
non-working code. This problem was only observed with userspace code in
xfsprogs, however it's better to be safe in kernel as well and have
matching kernel and xfsprogs definitions.

Signed-off-by: Jan Kara <jack@suse.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
---
 fs/xfs/libxfs/xfs_da_format.h | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/fs/xfs/libxfs/xfs_da_format.h b/fs/xfs/libxfs/xfs_da_format.h
index 0a49b02..3b4d304 100644
--- a/fs/xfs/libxfs/xfs_da_format.h
+++ b/fs/xfs/libxfs/xfs_da_format.h
@@ -680,8 +680,15 @@ typedef struct xfs_attr_leaf_name_remote {
 typedef struct xfs_attr_leafblock {
 	xfs_attr_leaf_hdr_t	hdr;	/* constant-structure header block */
 	xfs_attr_leaf_entry_t	entries[1];	/* sorted on key, not name */
-	xfs_attr_leaf_name_local_t namelist;	/* grows from bottom of buf */
-	xfs_attr_leaf_name_remote_t valuelist;	/* grows from bottom of buf */
+	/*
+	 * The rest of the block contains the following structures after the
+	 * leaf entries, growing from the bottom up. The variables are never
+	 * referenced and definining them can actually make gcc optimize away
+	 * accesses to the 'entries' array above index 0 so don't do that.
+	 *
+	 * xfs_attr_leaf_name_local_t namelist;
+	 * xfs_attr_leaf_name_remote_t valuelist;
+	 */
 } xfs_attr_leafblock_t;
 
 /*
-- 
1.9.1

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#1252219 — [PATCH 3.19.y-ckt 052/156] usb: host: ehci-sys: delete useless bus_to_hcd conversion

3.19.8-ckt8 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: Peter Chen <peter.chen@freescale.com>

commit 0521cfd06e1ebcd575e7ae36aab068b38df23850 upstream.

The ehci platform device's drvdata is the pointer of struct usb_hcd
already, so we doesn't need to call bus_to_hcd conversion again.

Signed-off-by: Peter Chen <peter.chen@freescale.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
---
 drivers/usb/host/ehci-sysfs.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/usb/host/ehci-sysfs.c b/drivers/usb/host/ehci-sysfs.c
index 5e44407..5216f2b 100644
--- a/drivers/usb/host/ehci-sysfs.c
+++ b/drivers/usb/host/ehci-sysfs.c
@@ -29,7 +29,7 @@ static ssize_t show_companion(struct device *dev,
 	int			count = PAGE_SIZE;
 	char			*ptr = buf;
 
-	ehci = hcd_to_ehci(bus_to_hcd(dev_get_drvdata(dev)));
+	ehci = hcd_to_ehci(dev_get_drvdata(dev));
 	nports = HCS_N_PORTS(ehci->hcs_params);
 
 	for (index = 0; index < nports; ++index) {
@@ -54,7 +54,7 @@ static ssize_t store_companion(struct device *dev,
 	struct ehci_hcd		*ehci;
 	int			portnum, new_owner;
 
-	ehci = hcd_to_ehci(bus_to_hcd(dev_get_drvdata(dev)));
+	ehci = hcd_to_ehci(dev_get_drvdata(dev));
 	new_owner = PORT_OWNER;		/* Owned by companion */
 	if (sscanf(buf, "%d", &portnum) != 1)
 		return -EINVAL;
@@ -85,7 +85,7 @@ static ssize_t show_uframe_periodic_max(struct device *dev,
 	struct ehci_hcd		*ehci;
 	int			n;
 
-	ehci = hcd_to_ehci(bus_to_hcd(dev_get_drvdata(dev)));
+	ehci = hcd_to_ehci(dev_get_drvdata(dev));
 	n = scnprintf(buf, PAGE_SIZE, "%d\n", ehci->uframe_periodic_max);
 	return n;
 }
@@ -101,7 +101,7 @@ static ssize_t store_uframe_periodic_max(struct device *dev,
 	unsigned long		flags;
 	ssize_t			ret;
 
-	ehci = hcd_to_ehci(bus_to_hcd(dev_get_drvdata(dev)));
+	ehci = hcd_to_ehci(dev_get_drvdata(dev));
 	if (kstrtouint(buf, 0, &uframe_periodic_max) < 0)
 		return -EINVAL;
 
-- 
1.9.1

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#1252220 — [PATCH 3.19.y-ckt 059/156] libxfs: readahead of dir3 data blocks should use the read verifier

3.19.8-ckt8 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: "Darrick J. Wong" <darrick.wong@oracle.com>

commit 2f123bce18943fff819bc10f8868ffb9149fc622 upstream.

In the dir3 data block readahead function, use the regular read
verifier to check the block's CRC and spot-check the block contents
instead of directly calling only the spot-checking routine.  This
prevents corrupted directory data blocks from being read into the
kernel, which can lead to garbage ls output and directory loops (if
say one of the entries contains slashes and other junk).

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
---
 fs/xfs/libxfs/xfs_dir2_data.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/fs/xfs/libxfs/xfs_dir2_data.c b/fs/xfs/libxfs/xfs_dir2_data.c
index 5ff31be..0bd0ca0 100644
--- a/fs/xfs/libxfs/xfs_dir2_data.c
+++ b/fs/xfs/libxfs/xfs_dir2_data.c
@@ -251,7 +251,8 @@ xfs_dir3_data_reada_verify(
 		return;
 	case cpu_to_be32(XFS_DIR2_DATA_MAGIC):
 	case cpu_to_be32(XFS_DIR3_DATA_MAGIC):
-		xfs_dir3_data_verify(bp);
+		bp->b_ops = &xfs_dir3_data_buf_ops;
+		bp->b_ops->verify_read(bp);
 		return;
 	default:
 		xfs_buf_ioerror(bp, -EFSCORRUPTED);
-- 
1.9.1

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#1252224 — [PATCH 3.19.y-ckt 028/156] iio: Add inverse unit conversion macros

3.19.8-ckt8 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: Lars-Peter Clausen <lars@metafoo.de>

commit c689a923c867eac40ed3826c1d9328edea8b6bc7 upstream.

Add inverse unit conversion macro to convert from standard IIO units to
units that might be used by some devices.

Those are useful in combination with scale factors that are specified as
IIO_VAL_FRACTIONAL. Typically the denominator for those specifications will
contain the maximum raw value the sensor will generate and the numerator
the value it maps to in a specific unit. Sometimes datasheets specify those
in different units than the standard IIO units (e.g. degree/s instead of
rad/s) and so we need to do a unit conversion.

From a mathematical point of view it does not make a difference whether we
apply the unit conversion to the numerator or the inverse unit conversion
to the denominator since (x / y) / z = x / (y * z). But as the denominator
is typically a larger value and we are rounding both the numerator and
denominator to integer values using the later method gives us a better
precision (E.g. the relative error is smaller if we round 8000.3 to 8000
rather than rounding 8.3 to 8).

This is where in inverse unit conversion macros will be used.

Marked for stable as used by some upcoming fixes.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
---
 include/linux/iio/iio.h | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/include/linux/iio/iio.h b/include/linux/iio/iio.h
index 3642ce7..6ec0918 100644
--- a/include/linux/iio/iio.h
+++ b/include/linux/iio/iio.h
@@ -622,6 +622,15 @@ int iio_str_to_fixpoint(const char *str, int fract_mult, int *integer,
 #define IIO_DEGREE_TO_RAD(deg) (((deg) * 314159ULL + 9000000ULL) / 18000000ULL)
 
 /**
+ * IIO_RAD_TO_DEGREE() - Convert rad to degree
+ * @rad: A value in rad
+ *
+ * Returns the given value converted from rad to degree
+ */
+#define IIO_RAD_TO_DEGREE(rad) \
+	(((rad) * 18000000ULL + 314159ULL / 2) / 314159ULL)
+
+/**
  * IIO_G_TO_M_S_2() - Convert g to meter / second**2
  * @g: A value in g
  *
@@ -629,4 +638,12 @@ int iio_str_to_fixpoint(const char *str, int fract_mult, int *integer,
  */
 #define IIO_G_TO_M_S_2(g) ((g) * 980665ULL / 100000ULL)
 
+/**
+ * IIO_M_S_2_TO_G() - Convert meter / second**2 to g
+ * @ms2: A value in meter / second**2
+ *
+ * Returns the given value converted from meter / second**2 to g
+ */
+#define IIO_M_S_2_TO_G(ms2) (((ms2) * 100000ULL + 980665ULL / 2) / 980665ULL)
+
 #endif /* _INDUSTRIAL_IO_H_ */
-- 
1.9.1

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#1252226 — [PATCH 3.19.y-ckt 017/156] clk: exynos4: Fix wrong clock for Exynos4x12 ADC

3.19.8-ckt8 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: Krzysztof Kozlowski <k.kozlowski@samsung.com>

commit e323d56eb06b266b77c2b430cb5f1977ba549e03 upstream.

The TSADC gate clock was used in Exynos4x12 DTSI for exynos-adc driver.
However TSADC is present only on Exynos4210 so on Trats2 board (with
Exynos4412 SoC) the exynos-adc driver could not be probed:
   ERROR: could not get clock /adc@126C0000:adc(0)
   exynos-adc 126c0000.adc: failed getting clock, err = -2
   exynos-adc: probe of 126c0000.adc failed with error -2

Instead on Exynos4x12 SoCs the main clock used by Analog to Digital
Converter is located in different register and it is named in datasheet
as PCLK_ADC. Regardless of the name the purpose of this PCLK_ADC clock
is the same as purpose of TSADC from Exynos4210.

The patch adds gate clock for Exynos4x12 using the proper register so
backward compatibility is preserved. This fixes the probe of exynos-adc
driver on Exynos4x12 boards and allows accessing sensors connected to it
on Trats2 board (ntc,ncp15wb473 AP and battery thermistors).

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Fixes: c63c57433003 ("ARM: dts: Add ADC's dt data to read raw data for exynos4x12")
Reviewed-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Acked-by: Tomasz Figa <tomasz.figa@gmail.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
---
 drivers/clk/samsung/clk-exynos4.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/clk/samsung/clk-exynos4.c b/drivers/clk/samsung/clk-exynos4.c
index 4bc7ccd..c574cc1 100644
--- a/drivers/clk/samsung/clk-exynos4.c
+++ b/drivers/clk/samsung/clk-exynos4.c
@@ -85,6 +85,7 @@
 #define DIV_PERIL4		0xc560
 #define DIV_PERIL5		0xc564
 #define E4X12_DIV_CAM1		0xc568
+#define E4X12_GATE_BUS_FSYS1	0xc744
 #define GATE_SCLK_CAM		0xc820
 #define GATE_IP_CAM		0xc920
 #define GATE_IP_TV		0xc924
@@ -1095,6 +1096,7 @@ static struct samsung_gate_clock exynos4x12_gate_clks[] __initdata = {
 		0),
 	GATE(CLK_PPMUIMAGE, "ppmuimage", "aclk200", E4X12_GATE_IP_IMAGE, 9, 0,
 		0),
+	GATE(CLK_TSADC, "tsadc", "aclk133", E4X12_GATE_BUS_FSYS1, 16, 0, 0),
 	GATE(CLK_MIPI_HSI, "mipi_hsi", "aclk133", GATE_IP_FSYS, 10, 0, 0),
 	GATE(CLK_CHIPID, "chipid", "aclk100", E4X12_GATE_IP_PERIR, 0, 0, 0),
 	GATE(CLK_SYSREG, "sysreg", "aclk100", E4X12_GATE_IP_PERIR, 1,
-- 
1.9.1

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#1252228 — [PATCH 3.19.y-ckt 011/156] mac80211: enable assoc check for mesh interfaces

3.19.8-ckt8 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: Bob Copeland <me@bobcopeland.com>

commit 3633ebebab2bbe88124388b7620442315c968e8f upstream.

We already set a station to be associated when peering completes, both
in user space and in the kernel.  Thus we should always have an
associated sta before sending data frames to that station.

Failure to check assoc state can cause crashes in the lower-level driver
due to transmitting unicast data frames before driver sta structures
(e.g. ampdu state in ath9k) are initialized.  This occurred when
forwarding in the presence of fixed mesh paths: frames were transmitted
to stations with whom we hadn't yet completed peering.

Reported-by: Alexis Green <agreen@cococorp.com>
Tested-by: Jesse Jones <jjones@cococorp.com>
Signed-off-by: Bob Copeland <me@bobcopeland.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
---
 net/mac80211/tx.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index 097821b..2fcaafa 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -302,9 +302,6 @@ ieee80211_tx_h_check_assoc(struct ieee80211_tx_data *tx)
 	if (tx->sdata->vif.type == NL80211_IFTYPE_WDS)
 		return TX_CONTINUE;
 
-	if (tx->sdata->vif.type == NL80211_IFTYPE_MESH_POINT)
-		return TX_CONTINUE;
-
 	if (tx->flags & IEEE80211_TX_PS_BUFFERED)
 		return TX_CONTINUE;
 
-- 
1.9.1

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#1252229 — [PATCH 3.19.y-ckt 013/156] PCI: Add dev_flags bit to access VPD through function 0

3.19.8-ckt8 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: Mark Rustad <mark.d.rustad@intel.com>

commit 932c435caba8a2ce473a91753bad0173269ef334 upstream.

Add a dev_flags bit, PCI_DEV_FLAGS_VPD_REF_F0, to access VPD through
function 0 to provide VPD access on other functions.  This is for hardware
devices that provide copies of the same VPD capability registers in
multiple functions.  Because the kernel expects that each function has its
own registers, both the locking and the state tracking are affected by VPD
accesses to different functions.

On such devices for example, if a VPD write is performed on function 0,
*any* later attempt to read VPD from any other function of that device will
hang.  This has to do with how the kernel tracks the expected value of the
F bit per function.

Concurrent accesses to different functions of the same device can not only
hang but also corrupt both read and write VPD data.

When hangs occur, typically the error message:

  vpd r/w failed.  This is likely a firmware bug on this device.

will be seen.

Never set this bit on function 0 or there will be an infinite recursion.

Signed-off-by: Mark Rustad <mark.d.rustad@intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Alexander Duyck <alexander.h.duyck@redhat.com>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
---
 drivers/pci/access.c | 61 +++++++++++++++++++++++++++++++++++++++++++++++++++-
 include/linux/pci.h  |  2 ++
 2 files changed, 62 insertions(+), 1 deletion(-)

diff --git a/drivers/pci/access.c b/drivers/pci/access.c
index 49dd766..7f249b9 100644
--- a/drivers/pci/access.c
+++ b/drivers/pci/access.c
@@ -352,6 +352,56 @@ static const struct pci_vpd_ops pci_vpd_pci22_ops = {
 	.release = pci_vpd_pci22_release,
 };
 
+static ssize_t pci_vpd_f0_read(struct pci_dev *dev, loff_t pos, size_t count,
+			       void *arg)
+{
+	struct pci_dev *tdev = pci_get_slot(dev->bus, PCI_SLOT(dev->devfn));
+	ssize_t ret;
+
+	if (!tdev)
+		return -ENODEV;
+
+	ret = pci_read_vpd(tdev, pos, count, arg);
+	pci_dev_put(tdev);
+	return ret;
+}
+
+static ssize_t pci_vpd_f0_write(struct pci_dev *dev, loff_t pos, size_t count,
+				const void *arg)
+{
+	struct pci_dev *tdev = pci_get_slot(dev->bus, PCI_SLOT(dev->devfn));
+	ssize_t ret;
+
+	if (!tdev)
+		return -ENODEV;
+
+	ret = pci_write_vpd(tdev, pos, count, arg);
+	pci_dev_put(tdev);
+	return ret;
+}
+
+static const struct pci_vpd_ops pci_vpd_f0_ops = {
+	.read = pci_vpd_f0_read,
+	.write = pci_vpd_f0_write,
+	.release = pci_vpd_pci22_release,
+};
+
+static int pci_vpd_f0_dev_check(struct pci_dev *dev)
+{
+	struct pci_dev *tdev = pci_get_slot(dev->bus, PCI_SLOT(dev->devfn));
+	int ret = 0;
+
+	if (!tdev)
+		return -ENODEV;
+	if (!tdev->vpd || !tdev->multifunction ||
+	    dev->class != tdev->class || dev->vendor != tdev->vendor ||
+	    dev->device != tdev->device)
+		ret = -ENODEV;
+
+	pci_dev_put(tdev);
+	return ret;
+}
+
 int pci_vpd_pci22_init(struct pci_dev *dev)
 {
 	struct pci_vpd_pci22 *vpd;
@@ -360,12 +410,21 @@ int pci_vpd_pci22_init(struct pci_dev *dev)
 	cap = pci_find_capability(dev, PCI_CAP_ID_VPD);
 	if (!cap)
 		return -ENODEV;
+	if (dev->dev_flags & PCI_DEV_FLAGS_VPD_REF_F0) {
+		int ret = pci_vpd_f0_dev_check(dev);
+
+		if (ret)
+			return ret;
+	}
 	vpd = kzalloc(sizeof(*vpd), GFP_ATOMIC);
 	if (!vpd)
 		return -ENOMEM;
 
 	vpd->base.len = PCI_VPD_PCI22_SIZE;
-	vpd->base.ops = &pci_vpd_pci22_ops;
+	if (dev->dev_flags & PCI_DEV_FLAGS_VPD_REF_F0)
+		vpd->base.ops = &pci_vpd_f0_ops;
+	else
+		vpd->base.ops = &pci_vpd_pci22_ops;
 	mutex_init(&vpd->lock);
 	vpd->cap = cap;
 	vpd->busy = false;
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 03d4863..71e3f7f 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -177,6 +177,8 @@ enum pci_dev_flags {
 	PCI_DEV_FLAG_PCIE_BRIDGE_ALIAS = (__force pci_dev_flags_t) (1 << 5),
 	/* Do not use bus resets for device */
 	PCI_DEV_FLAGS_NO_BUS_RESET = (__force pci_dev_flags_t) (1 << 6),
+	/* Get VPD from function 0 VPD */
+	PCI_DEV_FLAGS_VPD_REF_F0 = (__force pci_dev_flags_t) (1 << 8),
 };
 
 enum pci_irq_reroute_variant {
-- 
1.9.1

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#1252230 — [PATCH 3.19.y-ckt 022/156] Doc: ABI: testing: configfs-usb-gadget-sourcesink

3.19.8-ckt8 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: Peter Chen <peter.chen@freescale.com>

commit 4bc58eb16bb2352854b9c664cc36c1c68d2bfbb7 upstream.

Fix the name of attribute

Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
---
 Documentation/ABI/testing/configfs-usb-gadget-sourcesink | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/ABI/testing/configfs-usb-gadget-sourcesink b/Documentation/ABI/testing/configfs-usb-gadget-sourcesink
index 29477c3..bc7ff73 100644
--- a/Documentation/ABI/testing/configfs-usb-gadget-sourcesink
+++ b/Documentation/ABI/testing/configfs-usb-gadget-sourcesink
@@ -9,4 +9,4 @@ Description:
 		isoc_maxpacket	- 0 - 1023 (fs), 0 - 1024 (hs/ss)
 		isoc_mult	- 0..2 (hs/ss only)
 		isoc_maxburst	- 0..15 (ss only)
-		qlen		- buffer length
+		buflen		- buffer length
-- 
1.9.1

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#1252232 — [PATCH 3.19.y-ckt 009/156] xtensa: fix threadptr reload on return to userspace

3.19.8-ckt8 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: Max Filippov <jcmvbkbc@gmail.com>

commit 4229fb12a03e5da5882b420b0aa4a02e77447b86 upstream.

Userspace return code may skip restoring THREADPTR register if there are
no registers that need to be zeroed. This leads to spurious failures in
libc NPTL tests.

Always restore THREADPTR on return to userspace.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
---
 arch/xtensa/kernel/entry.S | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/xtensa/kernel/entry.S b/arch/xtensa/kernel/entry.S
index 82bbfa5..51e9877 100644
--- a/arch/xtensa/kernel/entry.S
+++ b/arch/xtensa/kernel/entry.S
@@ -568,12 +568,13 @@ user_exception_exit:
 	 *	 (if we have restored WSBITS-1 frames).
 	 */
 
+2:
 #if XCHAL_HAVE_THREADPTR
 	l32i	a3, a1, PT_THREADPTR
 	wur	a3, threadptr
 #endif
 
-2:	j	common_exception_exit
+	j	common_exception_exit
 
 	/* This is the kernel exception exit.
 	 * We avoided to do a MOVSP when we entered the exception, but we
-- 
1.9.1

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#1252233 — [PATCH 3.19.y-ckt 018/156] USB: pl2303: fix baud-rate divisor calculations

3.19.8-ckt8 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: =?UTF-8?q?Micha=C5=82=20Pecio?= <michal.pecio@gmail.com>

commit 49bda21266fdf195142e8b5dea057f09e96ada9f upstream.

This commit fixes the following issues:

1. The 9th bit of buf was believed to be the LSB of divisor's
exponent, but the hardware interprets it as MSB (9th bit) of the
mantissa. The exponent is actually one bit shorter and applies
to base 4, not 2 as previously believed.

2. Loop iterations doubled the exponent instead of incrementing.

3. The exponent wasn't checked for overflow.

4. The function returned requested rate instead of actual rate.

Due to issue #2, the old code deviated from the wrong formula
described in #1 and actually yielded correct rates when divisor
was lower than 4096 by using exponents of 0, 2 or 4 base-2,
interpreted as 0, 1, 2 base-4 with the 9th mantissa bit clear.
However, at 93.75 kbaud or less the rate turned out too slow
due to #2 or too fast due to #2 and #3.

I tested this patch by sending and validating 0x00,0x01,..,0xff
to an FTDI dongle at 234, 987, 2401, 9601, 31415, 115199, 250k,
500k, 750k, 1M, 1.5M, 3M+1 baud. All rates passed.

I also used pv to check speed at some rates unsupported by FTDI:
45 (the lowest possible), 2M, 4M, 5M and 6M-1. Looked sane.

Signed-off-by: Michal Pecio <michal.pecio@gmail.com>
Fixes: 399aa9a75ad3 ("USB: pl2303: use divisors for unsupported baud
rates")
[johan: update summary ]
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
---
 drivers/usb/serial/pl2303.c | 35 ++++++++++++++++++++++++++---------
 1 file changed, 26 insertions(+), 9 deletions(-)

diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c
index 534c308..f0f34a0 100644
--- a/drivers/usb/serial/pl2303.c
+++ b/drivers/usb/serial/pl2303.c
@@ -361,21 +361,38 @@ static speed_t pl2303_encode_baud_rate_direct(unsigned char buf[4],
 static speed_t pl2303_encode_baud_rate_divisor(unsigned char buf[4],
 								speed_t baud)
 {
-	unsigned int tmp;
+	unsigned int baseline, mantissa, exponent;
 
 	/*
 	 * Apparently the formula is:
-	 * baudrate = 12M * 32 / (2^buf[1]) / buf[0]
+	 *   baudrate = 12M * 32 / (mantissa * 4^exponent)
+	 * where
+	 *   mantissa = buf[8:0]
+	 *   exponent = buf[11:9]
 	 */
-	tmp = 12000000 * 32 / baud;
+	baseline = 12000000 * 32;
+	mantissa = baseline / baud;
+	if (mantissa == 0)
+		mantissa = 1;	/* Avoid dividing by zero if baud > 32*12M. */
+	exponent = 0;
+	while (mantissa >= 512) {
+		if (exponent < 7) {
+			mantissa >>= 2;	/* divide by 4 */
+			exponent++;
+		} else {
+			/* Exponent is maxed. Trim mantissa and leave. */
+			mantissa = 511;
+			break;
+		}
+	}
+
 	buf[3] = 0x80;
 	buf[2] = 0;
-	buf[1] = (tmp >= 256);
-	while (tmp >= 256) {
-		tmp >>= 2;
-		buf[1] <<= 1;
-	}
-	buf[0] = tmp;
+	buf[1] = exponent << 1 | mantissa >> 8;
+	buf[0] = mantissa & 0xff;
+
+	/* Calculate and return the exact baud rate. */
+	baud = (baseline / mantissa) >> (exponent << 1);
 
 	return baud;
 }
-- 
1.9.1

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#1252234 — [PATCH 3.19.y-ckt 027/156] iio: adis16400: Fix adis16448 gyroscope scale

3.19.8-ckt8 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: Lars-Peter Clausen <lars@metafoo.de>

commit 8166537283b31d7abaae9e56bd48fbbc30cdc579 upstream.

Use the correct scale for the adis16448 gyroscope output.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
---
 drivers/iio/imu/adis16400_core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/iio/imu/adis16400_core.c b/drivers/iio/imu/adis16400_core.c
index 2fd68f2..d42e4fe 100644
--- a/drivers/iio/imu/adis16400_core.c
+++ b/drivers/iio/imu/adis16400_core.c
@@ -780,7 +780,7 @@ static struct adis16400_chip_info adis16400_chips[] = {
 		.flags = ADIS16400_HAS_PROD_ID |
 				ADIS16400_HAS_SERIAL_NUMBER |
 				ADIS16400_BURST_DIAG_STAT,
-		.gyro_scale_micro = IIO_DEGREE_TO_RAD(10000), /* 0.01 deg/s */
+		.gyro_scale_micro = IIO_DEGREE_TO_RAD(40000), /* 0.04 deg/s */
 		.accel_scale_micro = IIO_G_TO_M_S_2(833), /* 1/1200 g */
 		.temp_scale_nano = 73860000, /* 0.07386 C */
 		.temp_offset = 31000000 / 73860, /* 31 C = 0x00 */
-- 
1.9.1

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#1252235 — [PATCH 3.19.y-ckt 010/156] ARM: OMAP2+: DRA7: clockdomain: change l4per2_7xx_clkdm to SW_WKUP

3.19.8-ckt8 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: Vignesh R <vigneshr@ti.com>

commit b9e23f321940d2db2c9def8ff723b8464fb86343 upstream.

Legacy IPs like PWMSS, present under l4per2_7xx_clkdm, cannot support
smart-idle when its clock domain is in HW_AUTO on DRA7 SoCs. Hence,
program clock domain to SW_WKUP.

Signed-off-by: Vignesh R <vigneshr@ti.com>
Acked-by: Tero Kristo <t-kristo@ti.com>
Reviewed-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
---
 arch/arm/mach-omap2/clockdomains7xx_data.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/mach-omap2/clockdomains7xx_data.c b/arch/arm/mach-omap2/clockdomains7xx_data.c
index 57d5df0..7581e03 100644
--- a/arch/arm/mach-omap2/clockdomains7xx_data.c
+++ b/arch/arm/mach-omap2/clockdomains7xx_data.c
@@ -331,7 +331,7 @@ static struct clockdomain l4per2_7xx_clkdm = {
 	.dep_bit	  = DRA7XX_L4PER2_STATDEP_SHIFT,
 	.wkdep_srcs	  = l4per2_wkup_sleep_deps,
 	.sleepdep_srcs	  = l4per2_wkup_sleep_deps,
-	.flags		  = CLKDM_CAN_HWSUP_SWSUP,
+	.flags		  = CLKDM_CAN_SWSUP,
 };
 
 static struct clockdomain mpu0_7xx_clkdm = {
-- 
1.9.1

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#1252236 — [PATCH 3.19.y-ckt 020/156] usb: gadget: f_uac2: finalize wMaxPacketSize according to bandwidth

3.19.8-ckt8 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: Peter Chen <peter.chen@freescale.com>

commit 913e4a90b6f9687ac0f543e7b632753e4f51c441 upstream.

According to USB Audio Device 2.0 Spec, Ch4.10.1.1:
wMaxPacketSize is defined as follows:
Maximum packet size this endpoint is capable of sending or receiving
when this configuration is selected.
This is determined by the audio bandwidth constraints of the endpoint.

In current code, the wMaxPacketSize is defined as the maximum packet size
for ISO endpoint, and it will let the host reserve much more space than
it really needs, so that we can't let more endpoints work together at
one frame.

We find this issue when we try to let 4 f_uac2 gadgets work together [1]
at FS connection.

[1]http://www.spinics.net/lists/linux-usb/msg123478.html

Acked-by: Daniel Mack <zonque@gmail.com>
Cc: andrzej.p@samsung.com
Cc: Daniel Mack <zonque@gmail.com>
Cc: tiwai@suse.de
Cc: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
---
 drivers/usb/gadget/function/f_uac2.c | 31 +++++++++++++++++++++++++++++--
 1 file changed, 29 insertions(+), 2 deletions(-)

diff --git a/drivers/usb/gadget/function/f_uac2.c b/drivers/usb/gadget/function/f_uac2.c
index df02947..3879c92 100644
--- a/drivers/usb/gadget/function/f_uac2.c
+++ b/drivers/usb/gadget/function/f_uac2.c
@@ -975,6 +975,29 @@ free_ep(struct uac2_rtd_params *prm, struct usb_ep *ep)
 			"%s:%d Error!\n", __func__, __LINE__);
 }
 
+static void set_ep_max_packet_size(const struct f_uac2_opts *uac2_opts,
+	struct usb_endpoint_descriptor *ep_desc,
+	unsigned int factor, bool is_playback)
+{
+	int chmask, srate, ssize;
+	u16 max_packet_size;
+
+	if (is_playback) {
+		chmask = uac2_opts->p_chmask;
+		srate = uac2_opts->p_srate;
+		ssize = uac2_opts->p_ssize;
+	} else {
+		chmask = uac2_opts->c_chmask;
+		srate = uac2_opts->c_srate;
+		ssize = uac2_opts->c_ssize;
+	}
+
+	max_packet_size = num_channels(chmask) * ssize *
+		DIV_ROUND_UP(srate, factor / (1 << (ep_desc->bInterval - 1)));
+	ep_desc->wMaxPacketSize = cpu_to_le16(min(max_packet_size,
+				le16_to_cpu(ep_desc->wMaxPacketSize)));
+}
+
 static int
 afunc_bind(struct usb_configuration *cfg, struct usb_function *fn)
 {
@@ -1070,10 +1093,14 @@ afunc_bind(struct usb_configuration *cfg, struct usb_function *fn)
 	uac2->p_prm.uac2 = uac2;
 	uac2->c_prm.uac2 = uac2;
 
+	/* Calculate wMaxPacketSize according to audio bandwidth */
+	set_ep_max_packet_size(uac2_opts, &fs_epin_desc, 1000, true);
+	set_ep_max_packet_size(uac2_opts, &fs_epout_desc, 1000, false);
+	set_ep_max_packet_size(uac2_opts, &hs_epin_desc, 8000, true);
+	set_ep_max_packet_size(uac2_opts, &hs_epout_desc, 8000, false);
+
 	hs_epout_desc.bEndpointAddress = fs_epout_desc.bEndpointAddress;
-	hs_epout_desc.wMaxPacketSize = fs_epout_desc.wMaxPacketSize;
 	hs_epin_desc.bEndpointAddress = fs_epin_desc.bEndpointAddress;
-	hs_epin_desc.wMaxPacketSize = fs_epin_desc.wMaxPacketSize;
 
 	ret = usb_assign_descriptors(fn, fs_audio_desc, hs_audio_desc, NULL);
 	if (ret)
-- 
1.9.1

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#1252238 — [PATCH 3.19.y-ckt 019/156] usb: dwc3: ep0: Fix mem corruption on OUT transfers of more than 512 bytes

3.19.8-ckt8 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: Kishon Vijay Abraham I <kishon@ti.com>

commit b2fb5b1a0f50d3ebc12342c8d8dead245e9c9d4e upstream.

DWC3 uses bounce buffer to handle non max packet aligned OUT transfers and
the size of bounce buffer is 512 bytes. However if the host initiates OUT
transfers of size more than 512 bytes (and non max packet aligned), the
driver throws a WARN dump but still programs the TRB to receive more than
512 bytes. This will cause bounce buffer to overflow and corrupt the
adjacent memory locations which can be fatal.

Fix it by programming the TRB to receive a maximum of DWC3_EP0_BOUNCE_SIZE
(512) bytes.

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
---
 drivers/usb/dwc3/ep0.c | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/drivers/usb/dwc3/ep0.c b/drivers/usb/dwc3/ep0.c
index 98f3605..5502da3 100644
--- a/drivers/usb/dwc3/ep0.c
+++ b/drivers/usb/dwc3/ep0.c
@@ -820,6 +820,11 @@ static void dwc3_ep0_complete_data(struct dwc3 *dwc,
 		unsigned maxp = ep0->endpoint.maxpacket;
 
 		transfer_size += (maxp - (transfer_size % maxp));
+
+		/* Maximum of DWC3_EP0_BOUNCE_SIZE can only be received */
+		if (transfer_size > DWC3_EP0_BOUNCE_SIZE)
+			transfer_size = DWC3_EP0_BOUNCE_SIZE;
+
 		transferred = min_t(u32, ur->length,
 				transfer_size - length);
 		memcpy(ur->buf, dwc->ep0_bounce, transferred);
@@ -941,11 +946,14 @@ static void __dwc3_ep0_do_control_data(struct dwc3 *dwc,
 			return;
 		}
 
-		WARN_ON(req->request.length > DWC3_EP0_BOUNCE_SIZE);
-
 		maxpacket = dep->endpoint.maxpacket;
 		transfer_size = roundup(req->request.length, maxpacket);
 
+		if (transfer_size > DWC3_EP0_BOUNCE_SIZE) {
+			dev_WARN(dwc->dev, "bounce buf can't handle req len\n");
+			transfer_size = DWC3_EP0_BOUNCE_SIZE;
+		}
+
 		dwc->ep0_bounced = true;
 
 		/*
-- 
1.9.1

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