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Re: [PATCH 6/7] RISC-V: arch/riscv/kernel

From Arnd Bergmann <arnd@arndb.de>
Newsgroups linux.kernel
Subject Re: [PATCH 6/7] RISC-V: arch/riscv/kernel
Date 2017-06-06 11:10 +0200
Message-ID <tPiEW-6IR-25@gated-at.bofh.it> (permalink)
References <tKicy-3OV-19@gated-at.bofh.it> <tO4E2-7Qc-11@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On Sat, Jun 3, 2017 at 1:56 AM, Palmer Dabbelt <palmer@dabbelt.com> wrote:
> On Tue, 23 May 2017 06:35:23 PDT (-0700), Arnd Bergmann wrote:
>>> +IRQCHIP_DECLARE(riscv, "riscv,cpu-intc", riscv_intc_init);
>> If you don't care about LPC/ISA devices, then your PCI_MIN_IO
>> should also be zero instead of 0x1000
>
> Sorry, but the only Google results for PCI_MIN_IO is this email.  There don't
> appear to be any relevant references to PCI_MIN in the kernel
>
>   $ git grep PCI_MIN_
>   arch/mips/include/asm/mach-loongson64/cs5536/cs5536_pci.h:      ((PCI_MAX_LATENCY << 24) | (PCI_MIN_GRANT << 16) | \
>   arch/mips/include/asm/mach-loongson64/cs5536/cs5536_pci.h:#define PCI_MIN_GRANT                 0x00
>   drivers/ata/pata_hpt366.c:      pci_write_config_byte(dev, PCI_MIN_GNT, 0x08);
>   drivers/ata/pata_hpt37x.c:      pci_write_config_byte(dev, PCI_MIN_GNT, 0x08);
>   drivers/ata/pata_hpt3x2n.c:     pci_write_config_byte(dev, PCI_MIN_GNT, 0x08);
>   drivers/ide/hpt366.c:   pci_write_config_byte(dev, PCI_MIN_GNT, 0x08);
>   drivers/net/fddi/skfp/h/skfbi.h:#define PCI_MIN_GNT     0x3e    /*  8 bit       Min_Gnt */
>   drivers/net/fddi/skfp/h/skfbi.h:/*      PCI_MIN_GNT     8 bit   Min_Gnt */
>   include/uapi/linux/pci_regs.h:#define PCI_MIN_GNT               0x3e    /* 8 bits */
>
> I'm afraid that I'm not sure what to do here.

Sorry, I meant PCIBIOS_MIN_IO

       Arnd

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Thread

Re: [PATCH 6/7] RISC-V: arch/riscv/kernel Palmer Dabbelt <palmer@dabbelt.com> - 2017-06-03 02:00 +0200
  Re: [PATCH 6/7] RISC-V: arch/riscv/kernel Arnd Bergmann <arnd@arndb.de> - 2017-06-06 11:10 +0200
    Re: [PATCH 6/7] RISC-V: arch/riscv/kernel Palmer Dabbelt <palmer@dabbelt.com> - 2017-06-06 22:40 +0200

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