PCI: designware: Require config accesses to be naturally aligned

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Add sanity checks on "addr" input parameter in dw_pcie_cfg_read() and
dw_pcie_cfg_write().  These checks make sure that accesses are aligned on
their size, e.g., a 4-byte config access is aligned on a 4-byte boundary.

[bhelgaas: changelog, set *val = 0 in failure case]
Signed-off-by: Gabriele Paoloni <gabriele.paoloni@huawei.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Pratyush Anand <pratyush.anand@gmail.com>

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Gabriele Paoloni 2015-10-08 14:27:53 -05:00 • committed by Bjorn Helgaas

parent 4c45852f49

commit b6b18f589e

1 changed files with 8 additions and 0 deletions

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drivers/pci/host/pcie-designware.c

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