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authorBarry Song <song.bao.hua@hisilicon.com>2020-09-09 06:10:01 +0200
committerWolfram Sang <wsa@kernel.org>2020-09-29 21:40:03 +0200
commit06856269d43ab3ce6609c90a6e42bcd9564eaa02 (patch)
treeaa039b3c043c0ac8a8d5835d7cc878da374ba93e /drivers/i2c/busses/i2c-owl.c
parenti2c: efm32: Use devm_platform_get_and_ioremap_resource() (diff)
downloadlinux-06856269d43ab3ce6609c90a6e42bcd9564eaa02.tar.xz
linux-06856269d43ab3ce6609c90a6e42bcd9564eaa02.zip
i2c: busses: 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: Barry Song <song.bao.hua@hisilicon.com> Reviewed-by: Akash Asthana <akashast@codeaurora.org> Reviewed-by: Mukesh Kumar Savaliya <msavaliy@codeaurora.org> Signed-off-by: Wolfram Sang <wsa@kernel.org>
Diffstat (limited to 'drivers/i2c/busses/i2c-owl.c')
-rw-r--r--drivers/i2c/busses/i2c-owl.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/i2c/busses/i2c-owl.c b/drivers/i2c/busses/i2c-owl.c
index 672f1f239bd6..618d3013d0b6 100644
--- a/drivers/i2c/busses/i2c-owl.c
+++ b/drivers/i2c/busses/i2c-owl.c
@@ -165,10 +165,9 @@ static irqreturn_t owl_i2c_interrupt(int irq, void *_dev)
{
struct owl_i2c_dev *i2c_dev = _dev;
struct i2c_msg *msg = i2c_dev->msg;
- unsigned long flags;
unsigned int stat, fifostat;
- spin_lock_irqsave(&i2c_dev->lock, flags);
+ spin_lock(&i2c_dev->lock);
i2c_dev->err = 0;
@@ -208,7 +207,7 @@ stop:
OWL_I2C_STAT_IRQP, true);
complete_all(&i2c_dev->msg_complete);
- spin_unlock_irqrestore(&i2c_dev->lock, flags);
+ spin_unlock(&i2c_dev->lock);
return IRQ_HANDLED;
}