PCI: designware-ep: Fix the Header Type check
authorHou Zhiqiang <Zhiqiang.Hou@nxp.com>
Tue, 18 Aug 2020 09:27:46 +0000 (17:27 +0800)
committerLorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Mon, 7 Sep 2020 09:25:22 +0000 (10:25 +0100)
commit16270a92355722e387e9ca19627c5a4d7bae1354
tree785688135c8e49028323bcb6b7bf9e179040137f
parent9123e3a74ec7b934a4a099e98af6a61c2f80bbf5
PCI: designware-ep: Fix the Header Type check

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>
drivers/pci/controller/dwc/pcie-designware-ep.c
include/uapi/linux/pci_regs.h