[PATCH 08/11] UCB1400: Pass ucb1400-gpio data through ac97 bus
Marek Vasut
marek.vasut at gmail.com
Thu Sep 30 20:15:47 EDT 2010
Dne Po 20. září 2010 16:45:59 Eric Miao napsal(a):
> Cc'ed David.
>
> David,
>
> Do you mind it goes through my tree as there is subsequent patches
> following that have dependency? In that case, your Ack is mostly
> welcome.
>
Any updates?
> On Thu, Sep 16, 2010 at 10:32 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
> > --
> > 1.7.1
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