[PATCH 09/17] UCB1400: Pass ucb1400-gpio data through ac97 bus

[Samuel Ortiz]

Hi Eric,

On Wed, Dec 01, 2010 at 10:51:12AM +0800, Eric Miao wrote:
> Cc'ed Samuel for the MFD part.
The MFD part looks fine, please go ahead and add my Acked-By to this patch.

Cheers,
Samuel.


> On Wed, Nov 3, 2010 at 7:51 AM, Marek Vasut <marek.vasut at gmail.com> wrote:
> > Signed-off-by: Marek Vasut <marek.vasut at gmail.com>
> > ---
> >  drivers/gpio/ucb1400_gpio.c |   19 ++++++-------------
> >  drivers/mfd/ucb1400_core.c  |    5 +++++
> >  include/linux/ucb1400.h     |   19 ++++++-------------
> >  3 files changed, 17 insertions(+), 26 deletions(-)
> >
> > diff --git a/drivers/gpio/ucb1400_gpio.c b/drivers/gpio/ucb1400_gpio.c
> > index 50e6bd1..fba45a5 100644
> > --- a/drivers/gpio/ucb1400_gpio.c
> > +++ b/drivers/gpio/ucb1400_gpio.c
> > @@ -12,8 +12,6 @@
> >  #include <linux/module.h>
> >  #include <linux/ucb1400.h>
> >
> > -struct ucb1400_gpio_data *ucbdata;
> > -
> >  static int ucb1400_gpio_dir_in(struct gpio_chip *gc, unsigned off)
> >  {
> >        struct ucb1400_gpio *gpio;
> > @@ -50,7 +48,7 @@ static int ucb1400_gpio_probe(struct platform_device *dev)
> >        struct ucb1400_gpio *ucb = dev->dev.platform_data;
> >        int err = 0;
> >
> > -       if (!(ucbdata && ucbdata->gpio_offset)) {
> > +       if (!(ucb && ucb->gpio_offset)) {
> >                err = -EINVAL;
> >                goto err;
> >        }
> > @@ -58,7 +56,7 @@ static int ucb1400_gpio_probe(struct platform_device *dev)
> >        platform_set_drvdata(dev, ucb);
> >
> >        ucb->gc.label = "ucb1400_gpio";
> > -       ucb->gc.base = ucbdata->gpio_offset;
> > +       ucb->gc.base = ucb->gpio_offset;
> >        ucb->gc.ngpio = 10;
> >        ucb->gc.owner = THIS_MODULE;
> >
> > @@ -72,8 +70,8 @@ static int ucb1400_gpio_probe(struct platform_device *dev)
> >        if (err)
> >                goto err;
> >
> > -       if (ucbdata && ucbdata->gpio_setup)
> > -               err = ucbdata->gpio_setup(&dev->dev, ucb->gc.ngpio);
> > +       if (ucb && ucb->gpio_setup)
> > +               err = ucb->gpio_setup(&dev->dev, ucb->gc.ngpio);
> >
> >  err:
> >        return err;
> > @@ -85,8 +83,8 @@ static int ucb1400_gpio_remove(struct platform_device *dev)
> >        int err = 0;
> >        struct ucb1400_gpio *ucb = platform_get_drvdata(dev);
> >
> > -       if (ucbdata && ucbdata->gpio_teardown) {
> > -               err = ucbdata->gpio_teardown(&dev->dev, ucb->gc.ngpio);
> > +       if (ucb && ucb->gpio_teardown) {
> > +               err = ucb->gpio_teardown(&dev->dev, ucb->gc.ngpio);
> >                if (err)
> >                        return err;
> >        }
> > @@ -113,11 +111,6 @@ static void __exit ucb1400_gpio_exit(void)
> >        platform_driver_unregister(&ucb1400_gpio_driver);
> >  }
> >
> > -void __init ucb1400_gpio_set_data(struct ucb1400_gpio_data *data)
> > -{
> > -       ucbdata = data;
> > -}
> > -
> >  module_init(ucb1400_gpio_init);
> >  module_exit(ucb1400_gpio_exit);
> >
> > diff --git a/drivers/mfd/ucb1400_core.c b/drivers/mfd/ucb1400_core.c
> > index d73f84b..63f4969 100644
> > --- a/drivers/mfd/ucb1400_core.c
> > +++ b/drivers/mfd/ucb1400_core.c
> > @@ -75,6 +75,11 @@ static int ucb1400_core_probe(struct device *dev)
> >
> >        /* GPIO */
> >        ucb_gpio.ac97 = ac97;
> > +       if (pdata) {
> > +               ucb_gpio.gpio_setup = pdata->gpio_setup;
> > +               ucb_gpio.gpio_teardown = pdata->gpio_teardown;
> > +               ucb_gpio.gpio_offset = pdata->gpio_offset;
> > +       }
> >        ucb->ucb1400_gpio = platform_device_alloc("ucb1400_gpio", -1);
> >        if (!ucb->ucb1400_gpio) {
> >                err = -ENOMEM;
> > diff --git a/include/linux/ucb1400.h b/include/linux/ucb1400.h
> > index 1b47909..1a6bfdd 100644
> > --- a/include/linux/ucb1400.h
> > +++ b/include/linux/ucb1400.h
> > @@ -83,15 +83,12 @@
> >  #define UCB_ID                 0x7e
> >  #define UCB_ID_1400             0x4304
> >
> > -struct ucb1400_gpio_data {
> > -       int gpio_offset;
> > -       int (*gpio_setup)(struct device *dev, int ngpio);
> > -       int (*gpio_teardown)(struct device *dev, int ngpio);
> > -};
> > -
> >  struct ucb1400_gpio {
> >        struct gpio_chip        gc;
> >        struct snd_ac97         *ac97;
> > +       int                     gpio_offset;
> > +       int (*gpio_setup)(struct device *dev, int ngpio);
> > +       int (*gpio_teardown)(struct device *dev, int ngpio);
> >  };
> >
> >  struct ucb1400_ts {
> > @@ -112,6 +109,9 @@ struct ucb1400 {
> >
> >  struct ucb1400_pdata {
> >        int     irq;
> > +       int     gpio_offset;
> > +       int (*gpio_setup)(struct device *dev, int ngpio);
> > +       int (*gpio_teardown)(struct device *dev, int ngpio);
> >  };
> >
> >  static inline u16 ucb1400_reg_read(struct snd_ac97 *ac97, u16 reg)
> > @@ -163,11 +163,4 @@ static inline void ucb1400_adc_disable(struct snd_ac97 *ac97)
> >
> >  unsigned int ucb1400_adc_read(struct snd_ac97 *ac97, u16 adc_channel,
> >                              int adcsync);
> > -
> > -#ifdef CONFIG_GPIO_UCB1400
> > -void __init ucb1400_gpio_set_data(struct ucb1400_gpio_data *data);
> > -#else
> > -static inline void ucb1400_gpio_set_data(struct ucb1400_gpio_data *data) {}
> > -#endif
> > -
> >  #endif
> > --
> > 1.7.2.3
> >
> >

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