diff options
| author | Alex Shi <alex.shi@linaro.org> | 2016-09-20 10:17:00 +0800 |
|---|---|---|
| committer | Alex Shi <alex.shi@linaro.org> | 2016-09-20 10:17:00 +0800 |
| commit | d2d693d1ba7d93ec7c5db8aca2da29a4c91f6782 (patch) | |
| tree | 41920dcc166c491e7192eb1e3ba3861dff479abf /arch/x86/pci/intel_mid_pci.c | |
| parent | 573787341e57a73bf027c2ea3bdf18dc298ae0a0 (diff) | |
| parent | 1d074db69c46d62ce82b331c2080e2fcb710bf4a (diff) | |
Merge remote-tracking branch 'lts/linux-4.4.y' into linux-linaro-lsk-v4.4
Conflicts:
set ARM64_WORKAROUND_CAVIUM_27456 to 12 in
arch/arm64/include/asm/cpufeature.h
and add asm/memory.h in arch/arm64/kernel/entry.S
Diffstat (limited to 'arch/x86/pci/intel_mid_pci.c')
| -rw-r--r-- | arch/x86/pci/intel_mid_pci.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/arch/x86/pci/intel_mid_pci.c b/arch/x86/pci/intel_mid_pci.c index 8b93e634af84..ae97f24a4371 100644 --- a/arch/x86/pci/intel_mid_pci.c +++ b/arch/x86/pci/intel_mid_pci.c @@ -37,6 +37,7 @@ /* Quirks for the listed devices */ #define PCI_DEVICE_ID_INTEL_MRFL_MMC 0x1190 +#define PCI_DEVICE_ID_INTEL_MRFL_HSU 0x1191 /* Fixed BAR fields */ #define PCIE_VNDR_CAP_ID_FIXED_BAR 0x00 /* Fixed BAR (TBD) */ @@ -225,13 +226,20 @@ static int intel_mid_pci_irq_enable(struct pci_dev *dev) /* Special treatment for IRQ0 */ if (dev->irq == 0) { /* + * Skip HS UART common registers device since it has + * IRQ0 assigned and not used by the kernel. + */ + if (dev->device == PCI_DEVICE_ID_INTEL_MRFL_HSU) + return -EBUSY; + /* * TNG has IRQ0 assigned to eMMC controller. But there * are also other devices with bogus PCI configuration * that have IRQ0 assigned. This check ensures that - * eMMC gets it. + * eMMC gets it. The rest of devices still could be + * enabled without interrupt line being allocated. */ if (dev->device != PCI_DEVICE_ID_INTEL_MRFL_MMC) - return -EBUSY; + return 0; } break; default: |