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| author | Hou Zhiqiang <Zhiqiang.Hou@nxp.com> | 2020-08-18 17:27:46 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-10-29 10:11:52 +0100 |
| commit | 09f4182fb8b5c4975f7419c246dda21201c93706 (patch) | |
| tree | 14811ff05901ad85b62a05ecb4852c49851d5b19 /include | |
| parent | 57411fb851fbdbb794738885f8ededa7ec127aa5 (diff) | |
| download | linux-stable-09f4182fb8b5c4975f7419c246dda21201c93706.tar.gz linux-stable-09f4182fb8b5c4975f7419c246dda21201c93706.tar.bz2 linux-stable-09f4182fb8b5c4975f7419c246dda21201c93706.zip | |
PCI: designware-ep: Fix the Header Type check
[ Upstream commit 16270a92355722e387e9ca19627c5a4d7bae1354 ]
The current check will result in the multiple function device
fails to initialize. So fix the check by masking out the
multiple function bit.
Link: https://lore.kernel.org/r/20200818092746.24366-1-Zhiqiang.Hou@nxp.com
Fixes: 0b24134f7888 ("PCI: dwc: Add validation that PCIe core is set to correct mode")
Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/uapi/linux/pci_regs.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/uapi/linux/pci_regs.h b/include/uapi/linux/pci_regs.h index f9701410d3b5..57a222014cd2 100644 --- a/include/uapi/linux/pci_regs.h +++ b/include/uapi/linux/pci_regs.h @@ -76,6 +76,7 @@ #define PCI_CACHE_LINE_SIZE 0x0c /* 8 bits */ #define PCI_LATENCY_TIMER 0x0d /* 8 bits */ #define PCI_HEADER_TYPE 0x0e /* 8 bits */ +#define PCI_HEADER_TYPE_MASK 0x7f #define PCI_HEADER_TYPE_NORMAL 0 #define PCI_HEADER_TYPE_BRIDGE 1 #define PCI_HEADER_TYPE_CARDBUS 2 |