spinlock used in interrupt handler should use the _irqsave variant
Fixes: 51c5d8447bd7 ("MMC: meson: initial support for GX platforms")
Reviewed-by: Kevin Hilman <khilman@xxxxxxxxxxxx>
Signed-off-by: Jerome Brunet <jbrunet@xxxxxxxxxxxx>
---
drivers/mmc/host/meson-gx-mmc.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/mmc/host/meson-gx-mmc.c b/drivers/mmc/host/meson-gx-mmc.c
index 8a74a048db88..a399fbd415f4 100644
--- a/drivers/mmc/host/meson-gx-mmc.c
+++ b/drivers/mmc/host/meson-gx-mmc.c
@@ -727,6 +727,7 @@ static irqreturn_t meson_mmc_irq(int irq, void *dev_id)
struct mmc_command *cmd;
struct mmc_data *data;
u32 irq_en, status, raw_status;
+ unsigned long flag;
irqreturn_t ret = IRQ_HANDLED;
if (WARN_ON(!host))
@@ -739,7 +740,7 @@ static irqreturn_t meson_mmc_irq(int irq, void *dev_id)
data = cmd->data;
- spin_lock(&host->lock);
+ spin_lock_irqsave(&host->lock, flag);
irq_en = readl(host->regs + SD_EMMC_IRQ_EN);
raw_status = readl(host->regs + SD_EMMC_STATUS);
status = raw_status & irq_en;
@@ -806,7 +807,7 @@ static irqreturn_t meson_mmc_irq(int irq, void *dev_id)
if (ret == IRQ_HANDLED)
meson_mmc_request_done(host->mmc, cmd->mrq);
- spin_unlock(&host->lock);
+ spin_unlock_irqrestore(&host->lock, flag);
return ret;
}
--
2.9.5
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