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Groups > linux.kernel > #1537537
| From | Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH 4.4 07/13] PCI: Export pcie_find_root_port |
| Date | 2016-12-07 08:10 +0100 |
| Message-ID | <sLEwy-5hv-39@gated-at.bofh.it> (permalink) |
| References | <sLEwx-5hv-9@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
4.4-stable review patch. If anyone has any objections, please let me know.
------------------
From: Johannes Thumshirn <jthumshirn@suse.de>
commit e784930bd645e7df78c66e7872fec282b0620075 upstream.
Export pcie_find_root_port() so we can use it outside of PCIe-AER error
injection.
Signed-off-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/pci/pcie/aer/aer_inject.c | 14 --------------
include/linux/pci.h | 14 ++++++++++++++
2 files changed, 14 insertions(+), 14 deletions(-)
--- a/drivers/pci/pcie/aer/aer_inject.c
+++ b/drivers/pci/pcie/aer/aer_inject.c
@@ -283,20 +283,6 @@ out:
return 0;
}
-static struct pci_dev *pcie_find_root_port(struct pci_dev *dev)
-{
- while (1) {
- if (!pci_is_pcie(dev))
- break;
- if (pci_pcie_type(dev) == PCI_EXP_TYPE_ROOT_PORT)
- return dev;
- if (!dev->bus->self)
- break;
- dev = dev->bus->self;
- }
- return NULL;
-}
-
static int find_aer_device_iter(struct device *device, void *data)
{
struct pcie_device **result = data;
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -1802,6 +1802,20 @@ static inline int pci_pcie_type(const st
return (pcie_caps_reg(dev) & PCI_EXP_FLAGS_TYPE) >> 4;
}
+static inline struct pci_dev *pcie_find_root_port(struct pci_dev *dev)
+{
+ while (1) {
+ if (!pci_is_pcie(dev))
+ break;
+ if (pci_pcie_type(dev) == PCI_EXP_TYPE_ROOT_PORT)
+ return dev;
+ if (!dev->bus->self)
+ break;
+ dev = dev->bus->self;
+ }
+ return NULL;
+}
+
void pci_request_acs(void);
bool pci_acs_enabled(struct pci_dev *pdev, u16 acs_flags);
bool pci_acs_path_enabled(struct pci_dev *start,
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[PATCH 4.4 00/13] 4.4.37-stable review Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-12-07 08:10 +0100 [PATCH 4.4 02/13] zram: fix unbalanced idr management at hot removal Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-12-07 08:10 +0100 [PATCH 4.4 05/13] ALSA: pcm : Call kill_fasync() in stream lock Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-12-07 08:10 +0100 [PATCH 4.4 07/13] PCI: Export pcie_find_root_port Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-12-07 08:10 +0100 [PATCH 4.4 11/13] arm64: cpufeature: Schedule enable() calls instead of calling them via IPI Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-12-07 08:10 +0100 [PATCH 4.4 10/13] pwm: Fix device reference leak Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-12-07 08:10 +0100 [PATCH 4.4 06/13] rcu: Fix soft lockup for rcu_nocb_kthread Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-12-07 08:10 +0100 [PATCH 4.4 09/13] mwifiex: printk() overflow with 32-byte SSIDs Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-12-07 08:10 +0100 [PATCH 4.4 04/13] x86/traps: Ignore high word of regs->cs in early_fixup_exception() Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-12-07 08:10 +0100 [PATCH 4.4 13/13] arm64: suspend: Reconfigure PSTATE after resume from idle Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-12-07 08:20 +0100 [PATCH 4.4 01/13] ARC: Dont use "+l" inline asm constraint Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-12-07 08:20 +0100 [PATCH 4.4 03/13] kasan: update kasan_global for gcc 7 Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-12-07 08:20 +0100 Re: [PATCH 4.4 00/13] 4.4.37-stable review Guenter Roeck <linux@roeck-us.net> - 2016-12-07 17:10 +0100 Re: [PATCH 4.4 00/13] 4.4.37-stable review Shuah Khan <shuah.kh@samsung.com> - 2016-12-07 19:20 +0100 Re: [PATCH 4.4 00/13] 4.4.37-stable review Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-12-08 17:30 +0100
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