| Message ID | 1405608520-5644-5-git-send-email-hechtb@gmail.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Thu, Jul 17, 2014 at 04:48:40PM +0200, Bastian Hecht wrote: [...] > #ifdef CONFIG_PM_SLEEP > -static int tegra_i2c_suspend(struct device *dev) > -{ > - struct tegra_i2c_dev *i2c_dev = dev_get_drvdata(dev); > - > - i2c_lock_adapter(&i2c_dev->adapter); > - i2c_dev->is_suspended = true; > - i2c_unlock_adapter(&i2c_dev->adapter); > - > - return 0; > -} > - > static int tegra_i2c_resume(struct device *dev) > { > struct tegra_i2c_dev *i2c_dev = dev_get_drvdata(dev); > @@ -842,14 +827,12 @@ static int tegra_i2c_resume(struct device *dev) > return ret; > } > > - i2c_dev->is_suspended = false; > - > i2c_unlock_adapter(&i2c_dev->adapter); > > return 0; > } > > -static SIMPLE_DEV_PM_OPS(tegra_i2c_pm, tegra_i2c_suspend, tegra_i2c_resume); > +static SIMPLE_DEV_PM_OPS(tegra_i2c_pm, tegra_i2c_resume); Shouldn't this be: static SIMPLE_DEV_OPS(tegra_i2c_pm, NULL, tegra_i2c_resume); instead? Thierry
2014-07-17 16:59 GMT+02:00 Thierry Reding <thierry.reding@gmail.com>: > On Thu, Jul 17, 2014 at 04:48:40PM +0200, Bastian Hecht wrote: > [...] >> #ifdef CONFIG_PM_SLEEP >> -static int tegra_i2c_suspend(struct device *dev) >> -{ >> - struct tegra_i2c_dev *i2c_dev = dev_get_drvdata(dev); >> - >> - i2c_lock_adapter(&i2c_dev->adapter); >> - i2c_dev->is_suspended = true; >> - i2c_unlock_adapter(&i2c_dev->adapter); >> - >> - return 0; >> -} >> - >> static int tegra_i2c_resume(struct device *dev) >> { >> struct tegra_i2c_dev *i2c_dev = dev_get_drvdata(dev); >> @@ -842,14 +827,12 @@ static int tegra_i2c_resume(struct device *dev) >> return ret; >> } >> >> - i2c_dev->is_suspended = false; >> - >> i2c_unlock_adapter(&i2c_dev->adapter); >> >> return 0; >> } >> >> -static SIMPLE_DEV_PM_OPS(tegra_i2c_pm, tegra_i2c_suspend, tegra_i2c_resume); >> +static SIMPLE_DEV_PM_OPS(tegra_i2c_pm, tegra_i2c_resume); > > Shouldn't this be: > > static SIMPLE_DEV_OPS(tegra_i2c_pm, NULL, tegra_i2c_resume); > > instead? Oh yes thanks. I made the same mistake in [PATCH 3/5] too. Thanks, Bastian > Thierry
diff --git a/drivers/i2c/busses/i2c-tegra.c b/drivers/i2c/busses/i2c-tegra.c index f1bb2fc..c279d85 100644 --- a/drivers/i2c/busses/i2c-tegra.c +++ b/drivers/i2c/busses/i2c-tegra.c @@ -172,7 +172,6 @@ struct tegra_i2c_dev { size_t msg_buf_remaining; int msg_read; u32 bus_clk_rate; - bool is_suspended; }; static void dvc_writel(struct tegra_i2c_dev *i2c_dev, u32 val, unsigned long reg) @@ -628,9 +627,6 @@ static int tegra_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msgs[], int i; int ret = 0; - if (i2c_dev->is_suspended) - return -EBUSY; - ret = tegra_i2c_clock_enable(i2c_dev); if (ret < 0) { dev_err(i2c_dev->dev, "Clock enable failed %d\n", ret); @@ -817,17 +813,6 @@ static int tegra_i2c_remove(struct platform_device *pdev) } #ifdef CONFIG_PM_SLEEP -static int tegra_i2c_suspend(struct device *dev) -{ - struct tegra_i2c_dev *i2c_dev = dev_get_drvdata(dev); - - i2c_lock_adapter(&i2c_dev->adapter); - i2c_dev->is_suspended = true; - i2c_unlock_adapter(&i2c_dev->adapter); - - return 0; -} - static int tegra_i2c_resume(struct device *dev) { struct tegra_i2c_dev *i2c_dev = dev_get_drvdata(dev); @@ -842,14 +827,12 @@ static int tegra_i2c_resume(struct device *dev) return ret; } - i2c_dev->is_suspended = false; - i2c_unlock_adapter(&i2c_dev->adapter); return 0; } -static SIMPLE_DEV_PM_OPS(tegra_i2c_pm, tegra_i2c_suspend, tegra_i2c_resume); +static SIMPLE_DEV_PM_OPS(tegra_i2c_pm, tegra_i2c_resume); #define TEGRA_I2C_PM (&tegra_i2c_pm) #else #define TEGRA_I2C_PM NULL
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-tegra.c | 19 +------------------ 1 file changed, 1 insertion(+), 18 deletions(-)