ath11k: pci: fix L1ss clock unstable problem

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For QCA6390, one PCI related clock drifts sometimes, and
it makes PCI link difficult to quit L1ss. Fix it by writing
some registers which are known to fix the problem.

Tested-on: QCA6390 hw2.0 PCI WLAN.HST.1.0.1-01740-QCAHSTSWPLZ_V2_TO_X86-1

Signed-off-by: Carl Huang <cjhuang@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/1607609124-17250-5-git-send-email-kvalo@codeaurora.org

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Carl Huang 2020-12-10 16:05:22 +02:00 • committed by Kalle Valo

parent babb0ced6a

commit 0699940755

2 changed files with 81 additions and 0 deletions

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70

drivers/net/wireless/ath/ath11k/pci.c

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11

drivers/net/wireless/ath/ath11k/pci.h

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