rtw88: Add delay on polling h2c command status bit

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On some systems we can constanly see rtw88 complains:
[39584.721375] rtw_pci 0000:03:00.0: failed to send h2c command

Increase interval of each check to wait the status bit really changed.

Use read_poll_timeout() macro which fits anything we need here.

Suggested-by: Kalle Valo <kvalo@codeaurora.org>
Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200407073331.397-1-kai.heng.feng@canonical.com

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Kai-Heng Feng 2020-04-07 15:33:31 +08:00 • committed by Kalle Valo

parent 63e49a9fda

commit 6343a6d4b2

1 changed files with 7 additions and 6 deletions

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drivers/net/wireless/realtek/rtw88/fw.c

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