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i2c: exynos5: use core helper to mark adapter suspended 

Rejecting transfers should be handled by the core. Also, this will
ensure proper locking which was forgotten in this open coded version.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Tested-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
hifive-unleashed-5.1
Wolfram Sang 2018-12-19 17:48:24 +01:00 committed by Wolfram Sang
parent 5a7b81ff1b
commit d5c95bd6f3
1 changed files with 2 additions and 9 deletions
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11
drivers/i2c/busses/i2c-exynos5.c
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@ -183,7 +183,6 @@ enum i2c_type_exynos {
struct exynos5_i2c {
struct i2c_adapter adap;
unsigned int suspended:1;
struct i2c_msg *msg;
struct completion msg_complete;
@ -715,11 +714,6 @@ static int exynos5_i2c_xfer(struct i2c_adapter *adap,
struct exynos5_i2c *i2c = adap->algo_data;
int i, ret;
if (i2c->suspended) {
dev_err(i2c->dev, "HS-I2C is not initialized.\n");
return -EIO;
}
ret = clk_enable(i2c->clk);
if (ret)
return ret;
@ -847,8 +841,7 @@ static int exynos5_i2c_suspend_noirq(struct device *dev)
{
struct exynos5_i2c *i2c = dev_get_drvdata(dev);
i2c->suspended = 1;
i2c_mark_adapter_suspended(&i2c->adap);
clk_unprepare(i2c->clk);
return 0;
@ -871,7 +864,7 @@ static int exynos5_i2c_resume_noirq(struct device *dev)
exynos5_i2c_init(i2c);
clk_disable(i2c->clk);
i2c->suspended = 0;
i2c_mark_adapter_resumed(&i2c->adap);
return 0;
}