Commit e6da46b2 authored by Jeff Haran's avatar Jeff Haran Committed by Linus Torvalds

edac: fix local pci_write_bits32

Fix the edac local pci_write_bits32 to properly note the 'escape' mask if
all ones in a 32-bit word.

Currently no consumer of this function uses that mask, so there is no
danger to existing code.
Signed-off-by: default avatarJeff Haran <jharan@Brocade.COM>
Signed-off-by: default avatarDoug Thompson <dougthompson@xmission.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent a7665b0a
......@@ -767,11 +767,19 @@ static inline void pci_write_bits16(struct pci_dev *pdev, int offset,
pci_write_config_word(pdev, offset, value);
}
/* write all or some bits in a dword-register*/
/*
* pci_write_bits32
*
* edac local routine to do pci_write_config_dword, but adds
* a mask parameter. If mask is all ones, ignore the mask.
* Otherwise utilize the mask to isolate specified bits
*
* write all or some bits in a dword-register
*/
static inline void pci_write_bits32(struct pci_dev *pdev, int offset,
u32 value, u32 mask)
{
if (mask != 0xffff) {
if (mask != 0xffffffff) {
u32 buf;
pci_read_config_dword(pdev, offset, &buf);
......
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