Marek Vasut <marex@xxxxxxx> wrote:
> The rsi_resume() does access the bus to enable interrupts on the RSI
> SDIO WiFi card, however when calling sdio_claim_host() in the resume
> path, it is possible the bus is already claimed and sdio_claim_host()
> spins indefinitelly. Enable the SDIO card interrupts in resume_noirq
> instead to prevent anything else from claiming the SDIO bus first.
>
> Fixes: 20db07332736 ("rsi: sdio suspend and resume support")
> Signed-off-by: Marek Vasut <marex@xxxxxxx>
> Cc: Amitkumar Karwar <amit.karwar@xxxxxxxxxxxxxxxxxx>
> Cc: Angus Ainslie <angus@xxxxxxxx>
> Cc: David S. Miller <davem@xxxxxxxxxxxxx>
> Cc: Jakub Kicinski <kuba@xxxxxxxxxx>
> Cc: Kalle Valo <kvalo@xxxxxxxxxxxxxx>
> Cc: Karun Eagalapati <karun256@xxxxxxxxx>
> Cc: Martin Kepplinger <martink@xxxxxxxxx>
> Cc: Sebastian Krzyszkowiak <sebastian.krzyszkowiak@xxxxxxx>
> Cc: Siva Rebbagondla <siva8118@xxxxxxxxx>
> Cc: netdev@xxxxxxxxxxxxxxx
> Cc: stable@xxxxxxxxxxxxxxx
Patch applied to wireless-drivers-next.git, thanks.
c434e5e48dc4 rsi: Use resume_noirq for SDIO
--
https://patchwork.kernel.org/project/linux-wireless/patch/20210327235932.175896-1-marex@xxxxxxx/
https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
