spi: spi-qcom-qspi: replace spin_lock_irqsave by spin_lock in hard IRQ

It is redundant to do irqsave and irqrestore in hardIRQ context.

Cc: Andy Gross <agross@kernel.org>
Cc: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Barry Song <song.bao.hua@hisilicon.com>
Link: https://lore.kernel.org/r/20200910100246.32696-1-song.bao.hua@hisilicon.com
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/drivers/spi/spi-qcom-qspi.c b/drivers/spi/spi-qcom-qspi.c
index c50e607..5eed88a 100644 (file)
--- a/drivers/spi/spi-qcom-qspi.c
+++ b/drivers/spi/spi-qcom-qspi.c
@@ -420,9 +420,8 @@ static irqreturn_t qcom_qspi_irq(int irq, void *dev_id)
        u32 int_status;
        struct qcom_qspi *ctrl = dev_id;
        irqreturn_t ret = IRQ_NONE;
-       unsigned long flags;
 
-       spin_lock_irqsave(&ctrl->lock, flags);
+       spin_lock(&ctrl->lock);
 
        int_status = readl(ctrl->base + MSTR_INT_STATUS);
        writel(int_status, ctrl->base + MSTR_INT_STATUS);
@@ -450,7 +449,7 @@ static irqreturn_t qcom_qspi_irq(int irq, void *dev_id)
                spi_finalize_current_transfer(dev_get_drvdata(ctrl->dev));
        }
 
-       spin_unlock_irqrestore(&ctrl->lock, flags);
+       spin_unlock(&ctrl->lock);
        return ret;
 }