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(parent: c5174a5) | patch
pci_ep: layerscape: Add the workaround for errata A-009460
authorXiaowei Bao <xiaowei.bao@nxp.com>
Thu, 9 Jul 2020 15:31:37 +0000 (23:31 +0800)
committerPriyanka Jain <priyanka.jain@nxp.com>
Mon, 27 Jul 2020 08:54:15 +0000 (14:24 +0530)
commit15ce1fadf7f00a93021b8d013147b4bcd23099f2
tree53b66d384b14285ddf588fbb0cdc20a1474bf82btree | snapshot
parentc5174a52c2ff719b945cea0f0119ad57c541f1a9commit | diff
pci_ep: layerscape: Add the workaround for errata A-009460

The VF_BARn_REG register's Prefetchable and Type bit fields
are overwritten by a write to VF's BAR Mask register.
workaround: Before writing to the VF_BARn_MASK_REG register,
write 0b to the PCIE_MISC_CONTROL_1_OFF register.

Signed-off-by: Xiaowei Bao <xiaowei.bao@nxp.com>
Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>
drivers/pci/pcie_layerscape_ep.c diff | blob | history
Domain: System / Kernel;