[v6,0/6] mc13783: add pwr button support

Commit Message

Philippe Rétornaz July 25, 2011, 6:49 a.m. UTC

Le dimanche 24 juillet 2011 05:44:19, Shawn Guo a écrit :
> On Fri, Jul 22, 2011 at 04:17:06PM +0200, Philippe Rétornaz wrote:
> > Hello
> > 
> > This add button handling for the MC13783 PMIC.
> > 
> > Patch 1 & 2 modify the mc13xxx MFD driver to use the platform data to
> > resgister the led subdevice and unconditionally register the regulator
> > subdevice (as suggested by Mark and Uwe).
> > 
> > Patch 3 remove the use of the *_USE_REGULATOR and *_USE_LED macros in
> > the platform files.
> > 
> > Patch 4 must be applied after patch 1,2,3 to remove the obsolete define.
> > 
> > Patch 5 modify the mc13xxx MFD driver to add a button subdevice and
> > also adds the mc13783-pwrbutton driver using a misc input device.
> > 
> > The last patch adds the power on button support to the mx31moboard
> > boards.
> > 
> > v2: first patch modified according to comments by Dmitry Torokhov
> > v3: Implement review by Uwe
> > v4: Implement comments by Uwe and Mark
> > v5: Reorder patchset
> > v6: Minor corrections
> 
> It seems you did not address the comment about possible NULL pdata I
> put on v4?

Yes I did in patch 5:


Philippe
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Comments

Shawn Guo July 25, 2011, 7:13 a.m. UTC | #1

On Mon, Jul 25, 2011 at 08:49:25AM +0200, Philippe Rétornaz wrote:
> Le dimanche 24 juillet 2011 05:44:19, Shawn Guo a écrit :
> > On Fri, Jul 22, 2011 at 04:17:06PM +0200, Philippe Rétornaz wrote:
> > > Hello
> > > 
> > > This add button handling for the MC13783 PMIC.
> > > 
> > > Patch 1 & 2 modify the mc13xxx MFD driver to use the platform data to
> > > resgister the led subdevice and unconditionally register the regulator
> > > subdevice (as suggested by Mark and Uwe).
> > > 
> > > Patch 3 remove the use of the *_USE_REGULATOR and *_USE_LED macros in
> > > the platform files.
> > > 
> > > Patch 4 must be applied after patch 1,2,3 to remove the obsolete define.
> > > 
> > > Patch 5 modify the mc13xxx MFD driver to add a button subdevice and
> > > also adds the mc13783-pwrbutton driver using a misc input device.
> > > 
> > > The last patch adds the power on button support to the mx31moboard
> > > boards.
> > > 
> > > v2: first patch modified according to comments by Dmitry Torokhov
> > > v3: Implement review by Uwe
> > > v4: Implement comments by Uwe and Mark
> > > v5: Reorder patchset
> > > v6: Minor corrections
> > 
> > It seems you did not address the comment about possible NULL pdata I
> > put on v4?
> 
> Yes I did in patch 5:
> 
> --- a/drivers/mfd/mc13xxx-core.c
> +++ b/drivers/mfd/mc13xxx-core.c
> @@ -716,6 +716,11 @@ static int mc13xxx_probe(struct spi_device *spi)
>         enum mc13xxx_id id;
>         int ret;
>  
> +       if (!pdata) {
> +               dev_err(&spi->dev, "invalid platform data\n");
> +               return -EINVAL;
> +       }
> +
> 
Ah, missed that.  I thought it should be fixed with a separate patch
in the first place.  But I'm fine with it, as long as it gets fixed :)

Patch

--- a/drivers/mfd/mc13xxx-core.c
+++ b/drivers/mfd/mc13xxx-core.c
@@ -716,6 +716,11 @@  static int mc13xxx_probe(struct spi_device *spi)
        enum mc13xxx_id id;
        int ret;
 
+       if (!pdata) {
+               dev_err(&spi->dev, "invalid platform data\n");
+               return -EINVAL;
+       }
+


Thanks,