[PATCH] spi: qup: replace spin_lock_irqsave by spin_lock in hard IRQ

From: Xingbang Liu
Date: Wed Mar 02 2022 - 02:15:44 EST


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: Xingbang Liu <liu.airalert@xxxxxxxxx>
---
drivers/spi/spi-qup.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/spi/spi-qup.c b/drivers/spi/spi-qup.c
index d39dec6d1c91..00d6084306b4 100644
--- a/drivers/spi/spi-qup.c
+++ b/drivers/spi/spi-qup.c
@@ -593,7 +593,6 @@ static irqreturn_t spi_qup_qup_irq(int irq, void *dev_id)
{
struct spi_qup *controller = dev_id;
u32 opflags, qup_err, spi_err;
- unsigned long flags;
int error = 0;

qup_err = readl_relaxed(controller->base + QUP_ERROR_FLAGS);
@@ -625,10 +624,10 @@ static irqreturn_t spi_qup_qup_irq(int irq, void *dev_id)
error = -EIO;
}

- spin_lock_irqsave(&controller->lock, flags);
+ spin_lock(&controller->lock);
if (!controller->error)
controller->error = error;
- spin_unlock_irqrestore(&controller->lock, flags);
+ spin_unlock(&controller->lock);

if (spi_qup_is_dma_xfer(controller->mode)) {
writel_relaxed(opflags, controller->base + QUP_OPERATIONAL);
--
2.25.1