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author | Linus Walleij <linus.walleij@linaro.org> | 2014-03-21 10:40:24 +0100 |
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committer | Linus Walleij <linus.walleij@linaro.org> | 2014-03-25 09:57:07 +0100 |
commit | 8f18bcfcd2bc30cb9a5924a6b4af49c8388bc785 (patch) | |
tree | f27a4f2550ef8953b9587b05fcfa7d0f303893a1 | |
parent | 194e15ba00d90a6e8779b9cd87f1feec0d55427f (diff) | |
download | linux-8f18bcfcd2bc30cb9a5924a6b4af49c8388bc785.tar.gz linux-8f18bcfcd2bc30cb9a5924a6b4af49c8388bc785.tar.bz2 linux-8f18bcfcd2bc30cb9a5924a6b4af49c8388bc785.zip |
pinctrl: nomadik: factor in platform data container
The old platform data struct is just a leftover from the times
when the driver was not probed exclusively from the device tree.
Factor this into the general state container and simplify the
probe path.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
-rw-r--r-- | drivers/pinctrl/pinctrl-nomadik.c | 39 |
1 files changed, 9 insertions, 30 deletions
diff --git a/drivers/pinctrl/pinctrl-nomadik.c b/drivers/pinctrl/pinctrl-nomadik.c index 41e808d9edb3..98a36a0969f9 100644 --- a/drivers/pinctrl/pinctrl-nomadik.c +++ b/drivers/pinctrl/pinctrl-nomadik.c @@ -246,19 +246,6 @@ enum nmk_gpio_slpm { NMK_GPIO_SLPM_WAKEUP_DISABLE = NMK_GPIO_SLPM_NOCHANGE, }; -/* - * Platform data to register a block: only the initial gpio/irq number. - */ -struct nmk_gpio_platform_data { - char *name; - int first_gpio; - int first_irq; - int num_gpio; - u32 (*get_latent_status)(unsigned int bank); - void (*set_ioforce)(bool enable); - bool supports_sleepmode; -}; - struct nmk_gpio_chip { struct gpio_chip chip; struct irq_domain *domain; @@ -1257,39 +1244,33 @@ static const struct irq_domain_ops nmk_gpio_irq_simple_ops = { static int nmk_gpio_probe(struct platform_device *dev) { - struct nmk_gpio_platform_data *pdata; struct device_node *np = dev->dev.of_node; struct nmk_gpio_chip *nmk_chip; struct gpio_chip *chip; struct resource *res; struct clk *clk; int latent_irq; + bool supports_sleepmode; void __iomem *base; int irq; int ret; - pdata = devm_kzalloc(&dev->dev, sizeof(*pdata), GFP_KERNEL); - if (!pdata) - return -ENOMEM; - if (of_get_property(np, "st,supports-sleepmode", NULL)) - pdata->supports_sleepmode = true; + supports_sleepmode = true; + else + supports_sleepmode = false; if (of_property_read_u32(np, "gpio-bank", &dev->id)) { dev_err(&dev->dev, "gpio-bank property not found\n"); return -EINVAL; } - pdata->first_gpio = dev->id * NMK_GPIO_PER_CHIP; - pdata->num_gpio = NMK_GPIO_PER_CHIP; - irq = platform_get_irq(dev, 0); if (irq < 0) return irq; + /* It's OK for this IRQ not to be present */ latent_irq = platform_get_irq(dev, 1); - if (latent_irq >= 0 && !pdata->get_latent_status) - return -EINVAL; res = platform_get_resource(dev, IORESOURCE_MEM, 0); base = devm_ioremap_resource(&dev->dev, res); @@ -1315,15 +1296,13 @@ static int nmk_gpio_probe(struct platform_device *dev) nmk_chip->chip = nmk_gpio_template; nmk_chip->parent_irq = irq; nmk_chip->latent_parent_irq = latent_irq; - nmk_chip->get_latent_status = pdata->get_latent_status; - nmk_chip->set_ioforce = pdata->set_ioforce; - nmk_chip->sleepmode = pdata->supports_sleepmode; + nmk_chip->sleepmode = supports_sleepmode; spin_lock_init(&nmk_chip->lock); chip = &nmk_chip->chip; - chip->base = pdata->first_gpio; - chip->ngpio = pdata->num_gpio; - chip->label = pdata->name ?: dev_name(&dev->dev); + chip->base = dev->id * NMK_GPIO_PER_CHIP; + chip->ngpio = NMK_GPIO_PER_CHIP; + chip->label = dev_name(&dev->dev); chip->dev = &dev->dev; chip->owner = THIS_MODULE; |