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| author |   Tian Tao <tiantao6@hisilicon.com> | 2020-11-03 11:48:43 +0800 |
|---|---|---|
| committer |   Ulf Hansson <ulf.hansson@linaro.org> | 2020-11-16 11:59:29 +0100 |
| commit | 291a81c3b0610c5dc4689d13e94b8557069788fe (patch) | |
| tree | 8ef74ed12ccdfe691d67a5be83efc275768b6331 | |
| parent | mmc: moxart: replace spin_lock_irqsave by spin_lock in hard IRQ (diff) | |
| download | linux-dev-291a81c3b0610c5dc4689d13e94b8557069788fe.tar.xz linux-dev-291a81c3b0610c5dc4689d13e94b8557069788fe.zip | |
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: Tian Tao <tiantao6@hisilicon.com>
Reviewed-by: Jerome Brunet <jbrunet@baylibre.com>
Link: https://lore.kernel.org/r/1604375323-33556-1-git-send-email-tiantao6@hisilicon.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
| -rw-r--r-- | drivers/mmc/host/meson-mx-sdio.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/mmc/host/meson-mx-sdio.c b/drivers/mmc/host/meson-mx-sdio.c index 1c5299cd0cbe..d4a48916bfb6 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; } |