On 10 July 2015 at 05:36, Yangbo Lu <[email protected]> wrote:
> For Freescale QorIQ LS1021AQDS board, there is a SDIO interrupt
> in the process of resume without inserting SD adapter because of
> some unknown issue. But the driver doesn't assign sdio_irq_thread
> pointer. This will block the resume of kernel. This patch is used
> to avoid using NULL sdio_irq_thread pointer.
>
> Signed-off-by: Yangbo Lu <[email protected]>
Thanks, applied!
Kind regards
Uffe
> ---
> include/linux/mmc/host.h | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h
> index 1369e54..83b81fd 100644
> --- a/include/linux/mmc/host.h
> +++ b/include/linux/mmc/host.h
> @@ -412,7 +412,8 @@ static inline void mmc_signal_sdio_irq(struct mmc_host
> *host)
> {
> host->ops->enable_sdio_irq(host, 0);
> host->sdio_irq_pending = true;
> - wake_up_process(host->sdio_irq_thread);
> + if (host->sdio_irq_thread)
> + wake_up_process(host->sdio_irq_thread);
> }
>
> void sdio_run_irqs(struct mmc_host *host);
> --
> 2.1.0.27.g96db324
>
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