Re: [PATCH v3 3/5] i2c: exynos5: Remove suspension check

Bastian Hecht
2014-07-17T17:02:30Z

2014-07-17 16:48 GMT+02:00 Bastian Hecht <hechtb@gmail.com>:
> We now take care of suspension in the i2c core code. So we can remove this
> check here.
>
> Signed-off-by: Bastian Hecht <hechtb@gmail.com>
> ---
> same as v1
>
> drivers/i2c/busses/i2c-exynos5.c | 20 +-------------------
> 1 file changed, 1 insertion(+), 19 deletions(-)
>
> diff --git a/drivers/i2c/busses/i2c-exynos5.c b/drivers/i2c/busses/i2c-exynos5.c
> index 63d2292..a80cf28 100644
> --- a/drivers/i2c/busses/i2c-exynos5.c
> +++ b/drivers/i2c/busses/i2c-exynos5.c
> @@ -145,7 +145,6 @@
>
> struct exynos5_i2c {
> struct i2c_adapter adap;
> - unsigned int suspended:1;
>
> struct i2c_msg *msg;
> struct completion msg_complete;
> @@ -610,11 +609,6 @@ static int exynos5_i2c_xfer(struct i2c_adapter *adap,
> struct exynos5_i2c *i2c = adap->algo_data;
> int i = 0, ret = 0, stop = 0;
>
> - if (i2c->suspended) {
> - dev_err(i2c->dev, "HS-I2C is not initialized.\n");
> - return -EIO;
> - }
> -
> clk_prepare_enable(i2c->clk);
>
> for (i = 0; i < num; i++, msgs++) {
> @@ -757,16 +751,6 @@ static int exynos5_i2c_remove(struct platform_device *pdev)
> }
>
> #ifdef CONFIG_PM_SLEEP
> -static int exynos5_i2c_suspend_noirq(struct device *dev)
> -{
> - struct platform_device *pdev = to_platform_device(dev);
> - struct exynos5_i2c *i2c = platform_get_drvdata(pdev);
> -
> - i2c->suspended = 1;
> -
> - return 0;
> -}
> -
> static int exynos5_i2c_resume_noirq(struct device *dev)
> {
> struct platform_device *pdev = to_platform_device(dev);
> @@ -783,14 +767,12 @@ static int exynos5_i2c_resume_noirq(struct device *dev)
>
> exynos5_i2c_init(i2c);
> clk_disable_unprepare(i2c->clk);
> - i2c->suspended = 0;
>
> return 0;
> }
> #endif
>
> -static SIMPLE_DEV_PM_OPS(exynos5_i2c_dev_pm_ops, exynos5_i2c_suspend_noirq,
> - exynos5_i2c_resume_noirq);
> +static SIMPLE_DEV_PM_OPS(exynos5_i2c_dev_pm_ops, exynos5_i2c_resume_noirq);

This should be

+static SIMPLE_DEV_PM_OPS(exynos5_i2c_dev_pm_ops, NULL,
exynos5_i2c_resume_noirq);

And this is v2, not v3.

> static struct platform_driver exynos5_i2c_driver = {
> .probe = exynos5_i2c_probe,
> --
> 1.9.1
>