[PATCH v2 04/16] mmc: meson-gx: use _irqsave variant of spinlock

[Jerome Brunet]

spinlock used in interrupt handler should use the _irqsave variant

Fixes: 51c5d8447bd7 ("MMC: meson: initial support for GX platforms")
Reviewed-by: Kevin Hilman <khil...@baylibre.com>
Signed-off-by: Jerome Brunet <jbru...@baylibre.com>
---
 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