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>

diff --git a/drivers/i2c/busses/i2c-sprd.c b/drivers/i2c/busses/i2c-sprd.c
index e266d8a713d94e8cb59dbd57a2533554fb00e42c..961123529678fd537ce7c1951b21ea4022b883a1 100644 (file)
--- 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);
 }