Re: [PATCH v2 13/15] ath6kl: use new module_firmware_crashed()

From: Rafael Aquini
Date: Sat May 16 2020 - 00:13:07 EST


On Fri, May 15, 2020 at 09:28:44PM +0000, Luis Chamberlain wrote:
> This makes use of the new module_firmware_crashed() to help
> annotate when firmware for device drivers crash. When firmware
> crashes devices can sometimes become unresponsive, and recovery
> sometimes requires a driver unload / reload and in the worst cases
> a reboot.
>
> Using a taint flag allows us to annotate when this happens clearly.
>
> Cc: linux-wireless@xxxxxxxxxxxxxxx
> Cc: ath10k@xxxxxxxxxxxxxxxxxxx
> Cc: Kalle Valo <kvalo@xxxxxxxxxxxxxx>
> Signed-off-by: Luis Chamberlain <mcgrof@xxxxxxxxxx>
> ---
> drivers/net/wireless/ath/ath6kl/hif.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/net/wireless/ath/ath6kl/hif.c b/drivers/net/wireless/ath/ath6kl/hif.c
> index d1942537ea10..cfd838607544 100644
> --- a/drivers/net/wireless/ath/ath6kl/hif.c
> +++ b/drivers/net/wireless/ath/ath6kl/hif.c
> @@ -120,6 +120,7 @@ static int ath6kl_hif_proc_dbg_intr(struct ath6kl_device *dev)
> int ret;
>
> ath6kl_warn("firmware crashed\n");
> + module_firmware_crashed();
>
> /*
> * read counter to clear the interrupt, the debug error interrupt is
> --
> 2.26.2
>
Acked-by: Rafael Aquini <aquini@xxxxxxxxxx>