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| author | Marek Behún <[email protected]> | 2021-10-28 18:56:53 +0000 |
|---|---|---|
| committer | Lorenzo Pieralisi <[email protected]> | 2021-10-29 09:25:31 +0000 |
| commit | 7a41ae80bdcb17e14dd7d83239b8a0cf368f18be (patch) | |
| tree | 3b9c4d9144556f0574f11cc0c1e9dcfe62c46b06 /drivers/pci/controller/pci-aardvark.c | |
| parent | PCI: aardvark: Fix reporting Data Link Layer Link Active (diff) | |
| download | kernel-7a41ae80bdcb17e14dd7d83239b8a0cf368f18be.tar.gz kernel-7a41ae80bdcb17e14dd7d83239b8a0cf368f18be.zip | |
PCI: pci-bridge-emul: Fix emulation of W1C bits
The pci_bridge_emul_conf_write() function correctly clears W1C bits in
cfgspace cache, but it does not inform the underlying implementation
about the clear request: the .write_op() method is given the value with
these bits cleared.
This is wrong if the .write_op() needs to know which bits were requested
to be cleared.
Fix the value to be passed into the .write_op() method to have requested
W1C bits set, so that it can clear them.
Both pci-bridge-emul users (mvebu and aardvark) are compatible with this
change.
Link: https://lore.kernel.org/r/[email protected]
Fixes: 23a5fba4d941 ("PCI: Introduce PCI bridge emulated config space common logic")
Signed-off-by: Pali Rohár <[email protected]>
Signed-off-by: Marek Behún <[email protected]>
Signed-off-by: Lorenzo Pieralisi <[email protected]>
Cc: [email protected]
Cc: Russell King <[email protected]>
Diffstat (limited to 'drivers/pci/controller/pci-aardvark.c')
0 files changed, 0 insertions, 0 deletions