diff options
| author |   Weihang Li <liweihang@huawei.com> | 2021-02-08 18:48:37 +0800 |
|---|---|---|
| committer |   Wolfram Sang <wsa@kernel.org> | 2021-02-12 08:21:57 +0100 |
| commit | bb3fe9ff5306d058af952f689f22448af286def8 (patch) | |
| tree | b92084fcc0306f0c8e33e09da06e215406bcaccc /drivers/i2c/busses/i2c-jz4780.c | |
| parent | Merge tag 'at24-updates-for-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux into i2c/for-5.12 (diff) | |
| download | linux-dev-bb3fe9ff5306d058af952f689f22448af286def8.tar.xz linux-dev-bb3fe9ff5306d058af952f689f22448af286def8.zip | |
i2c: busses: Replace spin_lock_irqsave with spin_lock in hard IRQ
There is no need to do irqsave and irqrestore in context of hard IRQ.
Signed-off-by: Weihang Li <liweihang@huawei.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
Diffstat (limited to 'drivers/i2c/busses/i2c-jz4780.c')
| -rw-r--r-- | drivers/i2c/busses/i2c-jz4780.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/i2c/busses/i2c-jz4780.c b/drivers/i2c/busses/i2c-jz4780.c index cb4a25ebb890..8509c5f11356 100644 --- a/drivers/i2c/busses/i2c-jz4780.c +++ b/drivers/i2c/busses/i2c-jz4780.c @@ -437,9 +437,8 @@ static irqreturn_t jz4780_i2c_irq(int irqno, void *dev_id) unsigned short intst; unsigned short intmsk; struct jz4780_i2c *i2c = dev_id; - unsigned long flags; - spin_lock_irqsave(&i2c->lock, flags); + spin_lock(&i2c->lock); intmsk = jz4780_i2c_readw(i2c, JZ4780_I2C_INTM); intst = jz4780_i2c_readw(i2c, JZ4780_I2C_INTST); @@ -551,7 +550,7 @@ static irqreturn_t jz4780_i2c_irq(int irqno, void *dev_id) } done: - spin_unlock_irqrestore(&i2c->lock, flags); + spin_unlock(&i2c->lock); return IRQ_HANDLED; } |