[PATCH] mmc: meson-mx-sdio: replace spin_lock_irqsave by spin_lock in hard IRQ

Ulf Hansson ulf.hansson at linaro.org
Thu Nov 5 07:59:09 EST 2020


On Tue, 3 Nov 2020 at 04:48, Tian Tao <tiantao6 at hisilicon.com> wrote:
>
> The code has been in a irq-disabled context since it is hard IRQ. There
> is no necessity to do it again.
>
> Signed-off-by: Tian Tao <tiantao6 at hisilicon.com>

Applied for next, thanks!

Kind regards
Uffe


> ---
>  drivers/mmc/host/meson-mx-sdio.c | 5 ++---
>  1 file changed, 2 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/mmc/host/meson-mx-sdio.c b/drivers/mmc/host/meson-mx-sdio.c
> index 1c5299c..d4a4891 100644
> --- a/drivers/mmc/host/meson-mx-sdio.c
> +++ b/drivers/mmc/host/meson-mx-sdio.c
> @@ -418,10 +418,9 @@ static irqreturn_t meson_mx_mmc_irq(int irq, void *data)
>  {
>         struct meson_mx_mmc_host *host = (void *) data;
>         u32 irqs, send;
> -       unsigned long irqflags;
>         irqreturn_t ret;
>
> -       spin_lock_irqsave(&host->irq_lock, irqflags);
> +       spin_lock(&host->irq_lock);
>
>         irqs = readl(host->base + MESON_MX_SDIO_IRQS);
>         send = readl(host->base + MESON_MX_SDIO_SEND);
> @@ -434,7 +433,7 @@ static irqreturn_t meson_mx_mmc_irq(int irq, void *data)
>         /* finally ACK all pending interrupts */
>         writel(irqs, host->base + MESON_MX_SDIO_IRQS);
>
> -       spin_unlock_irqrestore(&host->irq_lock, irqflags);
> +       spin_unlock(&host->irq_lock);
>
>         return ret;
>  }
> --
> 2.7.4
>



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