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authorWolfram Sang <wsa+renesas@sang-engineering.com>2018-12-19 17:48:23 +0100
committerWolfram Sang <wsa@the-dreams.de>2019-01-08 21:02:50 +0100
commit5a7b81ff1b3e4493363c913e9f0affa904062798 (patch)
treeca1f0b3e3532609dbac2c75716577b52b7a49b44
parenti2c: sprd: don't use pdev as variable name for struct device * (diff)
downloadlinux-5a7b81ff1b3e4493363c913e9f0affa904062798.tar.xz
linux-5a7b81ff1b3e4493363c913e9f0affa904062798.zip
i2c: sprd: use core helper to mark adapter suspended
Rejecting transfers should be handled by the core. Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Reviewed-by: Baolin Wang <baolin.wang@linaro.org> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
-rw-r--r--drivers/i2c/busses/i2c-sprd.c14
1 files changed, 2 insertions, 12 deletions
diff --git a/drivers/i2c/busses/i2c-sprd.c b/drivers/i2c/busses/i2c-sprd.c
index e266d8a713d9..961123529678 100644
--- a/drivers/i2c/busses/i2c-sprd.c
+++ b/drivers/i2c/busses/i2c-sprd.c
@@ -86,7 +86,6 @@ struct sprd_i2c {
u32 count;
int irq;
int err;
- bool is_suspended;
};
static void sprd_i2c_set_count(struct sprd_i2c *i2c_dev, u32 count)
@@ -284,9 +283,6 @@ static int sprd_i2c_master_xfer(struct i2c_adapter *i2c_adap,
struct sprd_i2c *i2c_dev = i2c_adap->algo_data;
int im, ret;
- if (i2c_dev->is_suspended)
- return -EBUSY;
-
ret = pm_runtime_get_sync(i2c_dev->dev);
if (ret < 0)
return ret;
@@ -590,10 +586,7 @@ static int __maybe_unused sprd_i2c_suspend_noirq(struct device *dev)
{
struct sprd_i2c *i2c_dev = dev_get_drvdata(dev);
- i2c_lock_bus(&i2c_dev->adap, I2C_LOCK_ROOT_ADAPTER);
- i2c_dev->is_suspended = true;
- i2c_unlock_bus(&i2c_dev->adap, I2C_LOCK_ROOT_ADAPTER);
-
+ i2c_mark_adapter_suspended(&i2c_dev->adap);
return pm_runtime_force_suspend(dev);
}
@@ -601,10 +594,7 @@ static int __maybe_unused sprd_i2c_resume_noirq(struct device *dev)
{
struct sprd_i2c *i2c_dev = dev_get_drvdata(dev);
- i2c_lock_bus(&i2c_dev->adap, I2C_LOCK_ROOT_ADAPTER);
- i2c_dev->is_suspended = false;
- i2c_unlock_bus(&i2c_dev->adap, I2C_LOCK_ROOT_ADAPTER);
-
+ i2c_mark_adapter_resumed(&i2c_dev->adap);
return pm_runtime_force_resume(dev);
}