Messages in this thread | | | Date | Wed, 25 Jun 2014 20:09:42 +0200 | From | Javier Martinez Canillas <> | Subject | Re: [PATCH v2] i2c: s3c2410: resume the I2C controller earlier |
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Hello Doug,
On 06/25/2014 01:56 AM, Doug Anderson wrote: > From: Vincent Palatin <vpalatin@chromium.org> > > When the wake-up is triggered by the PMIC RTC, the RTC driver is trying > to read the PMIC interrupt status over I2C and fails because the I2C > controller is not resumed yet. > Let's resume the I2C controller earlier in the _noirq phase > (as other hardwares are doing), so we can properly get the wake-up > condition. > > Signed-off-by: Vincent Palatin <vpalatin@chromium.org> > Signed-off-by: Doug Anderson <dianders@chromium.org> > --- > Changes in v2: > - Added missing freeze/thaw/poweroff/restore > > drivers/i2c/busses/i2c-s3c2410.c | 8 ++++++-- > 1 file changed, 6 insertions(+), 2 deletions(-) > > diff --git a/drivers/i2c/busses/i2c-s3c2410.c b/drivers/i2c/busses/i2c-s3c2410.c > index e828a1d..ecb389c 100644 > --- a/drivers/i2c/busses/i2c-s3c2410.c > +++ b/drivers/i2c/busses/i2c-s3c2410.c > @@ -1267,7 +1267,7 @@ static int s3c24xx_i2c_suspend_noirq(struct device *dev) > return 0; > } > > -static int s3c24xx_i2c_resume(struct device *dev) > +static int s3c24xx_i2c_resume_noirq(struct device *dev) > { > struct platform_device *pdev = to_platform_device(dev); > struct s3c24xx_i2c *i2c = platform_get_drvdata(pdev); > @@ -1285,7 +1285,11 @@ static int s3c24xx_i2c_resume(struct device *dev) > static const struct dev_pm_ops s3c24xx_i2c_dev_pm_ops = { > #ifdef CONFIG_PM_SLEEP > .suspend_noirq = s3c24xx_i2c_suspend_noirq, > - .resume = s3c24xx_i2c_resume, > + .resume_noirq = s3c24xx_i2c_resume_noirq, > + .freeze_noirq = s3c24xx_i2c_suspend_noirq, > + .thaw_noirq = s3c24xx_i2c_resume_noirq, > + .poweroff_noirq = s3c24xx_i2c_suspend_noirq, > + .restore_noirq = s3c24xx_i2c_resume_noirq, > #endif > }; > >
Looks good to me.
Reviewed-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Best regards, Javier
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