Commit 291a81c3 authored by Tian Tao's avatar Tian Tao Committed by Ulf Hansson
Browse files

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



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: default avatarTian Tao <tiantao6@hisilicon.com>
Reviewed-by: default avatarJerome Brunet <jbrunet@baylibre.com>
Link: https://lore.kernel.org/r/1604375323-33556-1-git-send-email-tiantao6@hisilicon.com


Signed-off-by: default avatarUlf Hansson <ulf.hansson@linaro.org>
parent 120ae805

drivers/mmc/host/meson-mx-sdio.c

+2 −3
Original line number Diff line number Diff line
@@ -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;

}