A-Team_Digital_Solutions/android_kernel_motorola_sm6375
Watch
2
0
Fork
You've already forked android_kernel_motorola_sm6375
 0
mirror of https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git synced 2026-10-30 11:41:38 -04:00
Code Issues Projects Releases Packages Wiki Activity

i2c: tegra: replace spin_lock_irqsave with spin_lock in ISR

Browse source 
As you are already in ISR, it is unnecessary to call spin_lock_irqsave.

Signed-off-by: jun qian <[email protected]>
Reviewed-by: Dmitry Osipenko <[email protected]>
Acked-by: Thierry Reding <[email protected]>
Signed-off-by: Wolfram Sang <[email protected]>
This commit is contained in:
jun qian 2018-09-11 07:54:46 -07:00 • committed by Wolfram Sang
commit 3782cc3725
1 changed files with 2 additions and 3 deletions
Download patch file Download diff file Expand all files Collapse all files

5
drivers/i2c/busses/i2c-tegra.c
View file

@ -608,11 +608,10 @@ static irqreturn_t tegra_i2c_isr(int irq, void *dev_id)
u32 status;
const u32 status_err = I2C_INT_NO_ACK | I2C_INT_ARBITRATION_LOST;
struct tegra_i2c_dev *i2c_dev = dev_id;
unsigned long flags;
status = i2c_readl(i2c_dev, I2C_INT_STATUS);
spin_lock_irqsave(&i2c_dev->xfer_lock, flags);
spin_lock(&i2c_dev->xfer_lock);
if (status == 0) {
dev_warn(i2c_dev->dev, "irq status 0 %08x %08x %08x\n",
i2c_readl(i2c_dev, I2C_PACKET_TRANSFER_STATUS),
@ -670,7 +669,7 @@ err:
complete(&i2c_dev->msg_complete);
done:
spin_unlock_irqrestore(&i2c_dev->xfer_lock, flags);
spin_unlock(&i2c_dev->xfer_lock);
return IRQ_HANDLED;
}