Messages in this thread | | | Date | Thu, 19 May 2011 13:21:49 -0600 | From | Grant Likely <> | Subject | Re: [PATCH] gpio: rename VIA local config struct |
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On Thu, Apr 28, 2011 at 08:59:00AM +0200, Linus Walleij wrote: > From: Linus Walleij <linus.walleij@linaro.org> > > The local VIA GPIO config struct "gpio_config" collides with my > extension to the gpio_chip struct, so rename it to via_gpio_config > so we don't get this clash. > > Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This is a good change regardless. However, one nitpick. Since the driver already uses the "viafb_" prefix on functions, you should use rename the structure to viafb_gpio_config too.
g.
> --- > drivers/video/via/via-gpio.c | 49 +++++++++++++++++++++-------------------- > 1 files changed, 25 insertions(+), 24 deletions(-) > > diff --git a/drivers/video/via/via-gpio.c b/drivers/video/via/via-gpio.c > index c2a0a1c..4b26f3f 100644 > --- a/drivers/video/via/via-gpio.c > +++ b/drivers/video/via/via-gpio.c > @@ -145,7 +145,7 @@ static int via_gpio_get(struct gpio_chip *chip, unsigned int nr) > } > > > -static struct viafb_gpio_cfg gpio_config = { > +static struct viafb_gpio_cfg via_gpio_config = { > .gpio_chip = { > .label = "VIAFB onboard GPIO", > .owner = THIS_MODULE, > @@ -183,8 +183,8 @@ static int viafb_gpio_resume(void *private) > { > int i; > > - for (i = 0; i < gpio_config.gpio_chip.ngpio; i += 2) > - viafb_gpio_enable(gpio_config.active_gpios[i]); > + for (i = 0; i < via_gpio_config.gpio_chip.ngpio; i += 2) > + viafb_gpio_enable(via_gpio_config.active_gpios[i]); > return 0; > } > > @@ -201,9 +201,9 @@ int viafb_gpio_lookup(const char *name) > { > int i; > > - for (i = 0; i < gpio_config.gpio_chip.ngpio; i++) > - if (!strcmp(name, gpio_config.active_gpios[i]->vg_name)) > - return gpio_config.gpio_chip.base + i; > + for (i = 0; i < via_gpio_config.gpio_chip.ngpio; i++) > + if (!strcmp(name, via_gpio_config.active_gpios[i]->vg_name)) > + return via_gpio_config.gpio_chip.base + i; > return -1; > } > EXPORT_SYMBOL_GPL(viafb_gpio_lookup); > @@ -229,14 +229,15 @@ static __devinit int viafb_gpio_probe(struct platform_device *platdev) > for (gpio = viafb_all_gpios; > gpio < viafb_all_gpios + VIAFB_NUM_GPIOS; gpio++) > if (gpio->vg_port_index == port_cfg[i].ioport_index) { > - gpio_config.active_gpios[ngpio] = gpio; > - gpio_config.gpio_names[ngpio] = gpio->vg_name; > + via_gpio_config.active_gpios[ngpio] = gpio; > + via_gpio_config.gpio_names[ngpio] = > + gpio->vg_name; > ngpio++; > } > } > - gpio_config.gpio_chip.ngpio = ngpio; > - gpio_config.gpio_chip.names = gpio_config.gpio_names; > - gpio_config.vdev = vdev; > + via_gpio_config.gpio_chip.ngpio = ngpio; > + via_gpio_config.gpio_chip.names = via_gpio_config.gpio_names; > + via_gpio_config.vdev = vdev; > if (ngpio == 0) { > printk(KERN_INFO "viafb: no GPIOs configured\n"); > return 0; > @@ -245,18 +246,18 @@ static __devinit int viafb_gpio_probe(struct platform_device *platdev) > * Enable the ports. They come in pairs, with a single > * enable bit for both. > */ > - spin_lock_irqsave(&gpio_config.vdev->reg_lock, flags); > + spin_lock_irqsave(&via_gpio_config.vdev->reg_lock, flags); > for (i = 0; i < ngpio; i += 2) > - viafb_gpio_enable(gpio_config.active_gpios[i]); > - spin_unlock_irqrestore(&gpio_config.vdev->reg_lock, flags); > + viafb_gpio_enable(via_gpio_config.active_gpios[i]); > + spin_unlock_irqrestore(&via_gpio_config.vdev->reg_lock, flags); > /* > * Get registered. > */ > - gpio_config.gpio_chip.base = -1; /* Dynamic */ > - ret = gpiochip_add(&gpio_config.gpio_chip); > + via_gpio_config.gpio_chip.base = -1; /* Dynamic */ > + ret = gpiochip_add(&via_gpio_config.gpio_chip); > if (ret) { > printk(KERN_ERR "viafb: failed to add gpios (%d)\n", ret); > - gpio_config.gpio_chip.ngpio = 0; > + via_gpio_config.gpio_chip.ngpio = 0; > } > #ifdef CONFIG_PM > viafb_pm_register(&viafb_gpio_pm_hooks); > @@ -277,8 +278,8 @@ static int viafb_gpio_remove(struct platform_device *platdev) > /* > * Get unregistered. > */ > - if (gpio_config.gpio_chip.ngpio > 0) { > - ret = gpiochip_remove(&gpio_config.gpio_chip); > + if (via_gpio_config.gpio_chip.ngpio > 0) { > + ret = gpiochip_remove(&via_gpio_config.gpio_chip); > if (ret) { /* Somebody still using it? */ > printk(KERN_ERR "Viafb: GPIO remove failed\n"); > return ret; > @@ -287,11 +288,11 @@ static int viafb_gpio_remove(struct platform_device *platdev) > /* > * Disable the ports. > */ > - spin_lock_irqsave(&gpio_config.vdev->reg_lock, flags); > - for (i = 0; i < gpio_config.gpio_chip.ngpio; i += 2) > - viafb_gpio_disable(gpio_config.active_gpios[i]); > - gpio_config.gpio_chip.ngpio = 0; > - spin_unlock_irqrestore(&gpio_config.vdev->reg_lock, flags); > + spin_lock_irqsave(&via_gpio_config.vdev->reg_lock, flags); > + for (i = 0; i < via_gpio_config.gpio_chip.ngpio; i += 2) > + viafb_gpio_disable(via_gpio_config.active_gpios[i]); > + via_gpio_config.gpio_chip.ngpio = 0; > + spin_unlock_irqrestore(&via_gpio_config.vdev->reg_lock, flags); > return ret; > } > > -- > 1.7.3.2 >
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