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SubjectRe: [PATCH] gpio: omap: avoid clang warning
czw., 7 mar 2019 o 11:39 Arnd Bergmann <arnd@arndb.de> napisał(a):
>
> clang warns about a tentative array definition in the gpio-omap driver:
>
> drivers/gpio/gpio-omap.c:1282:34: error: tentative array definition assumed to have one element [-Werror]
> static const struct of_device_id omap_gpio_match[];
>
> It's best to just reorder the entire file to avoid forward declarations,
> which lets us use the regular declaration. To do this, the unnecessary
> CONFIG_OF check must also be removed.
>
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
> ---
> drivers/gpio/gpio-omap.c | 549 +++++++++++++++++++--------------------
> 1 file changed, 267 insertions(+), 282 deletions(-)
>
> diff --git a/drivers/gpio/gpio-omap.c b/drivers/gpio/gpio-omap.c
> index f4e9921fa966..9d743563f4c1 100644
> --- a/drivers/gpio/gpio-omap.c
> +++ b/drivers/gpio/gpio-omap.c
> @@ -1249,196 +1249,63 @@ static int omap_gpio_chip_init(struct gpio_bank *bank, struct irq_chip *irqc)
> return ret;
> }
>
> -static void omap_gpio_idle(struct gpio_bank *bank, bool may_lose_context);
> -static void omap_gpio_unidle(struct gpio_bank *bank);
> -
> -static int gpio_omap_cpu_notifier(struct notifier_block *nb,
> - unsigned long cmd, void *v)
> +static void omap_gpio_init_context(struct gpio_bank *p)
> {
> - struct gpio_bank *bank;
> - unsigned long flags;
> + struct omap_gpio_reg_offs *regs = p->regs;
> + void __iomem *base = p->base;
>
> - bank = container_of(nb, struct gpio_bank, nb);
> + p->context.ctrl = readl_relaxed(base + regs->ctrl);
> + p->context.oe = readl_relaxed(base + regs->direction);
> + p->context.wake_en = readl_relaxed(base + regs->wkup_en);
> + p->context.leveldetect0 = readl_relaxed(base + regs->leveldetect0);
> + p->context.leveldetect1 = readl_relaxed(base + regs->leveldetect1);
> + p->context.risingdetect = readl_relaxed(base + regs->risingdetect);
> + p->context.fallingdetect = readl_relaxed(base + regs->fallingdetect);
> + p->context.irqenable1 = readl_relaxed(base + regs->irqenable);
> + p->context.irqenable2 = readl_relaxed(base + regs->irqenable2);
>
> - raw_spin_lock_irqsave(&bank->lock, flags);
> - switch (cmd) {
> - case CPU_CLUSTER_PM_ENTER:
> - if (bank->is_suspended)
> - break;
> - omap_gpio_idle(bank, true);
> - break;
> - case CPU_CLUSTER_PM_ENTER_FAILED:
> - case CPU_CLUSTER_PM_EXIT:
> - if (bank->is_suspended)
> - break;
> - omap_gpio_unidle(bank);
> - break;
> - }
> - raw_spin_unlock_irqrestore(&bank->lock, flags);
> + if (regs->set_dataout && p->regs->clr_dataout)
> + p->context.dataout = readl_relaxed(base + regs->set_dataout);
> + else
> + p->context.dataout = readl_relaxed(base + regs->dataout);
>
> - return NOTIFY_OK;
> + p->context_valid = true;
> }
>
> -static const struct of_device_id omap_gpio_match[];
> -
> -static int omap_gpio_probe(struct platform_device *pdev)
> +static void omap_gpio_restore_context(struct gpio_bank *bank)
> {
> - struct device *dev = &pdev->dev;
> - struct device_node *node = dev->of_node;
> - const struct of_device_id *match;
> - const struct omap_gpio_platform_data *pdata;
> - struct resource *res;
> - struct gpio_bank *bank;
> - struct irq_chip *irqc;
> - int ret;
> -
> - match = of_match_device(of_match_ptr(omap_gpio_match), dev);
> -
> - pdata = match ? match->data : dev_get_platdata(dev);
> - if (!pdata)
> - return -EINVAL;
> -
> - bank = devm_kzalloc(dev, sizeof(*bank), GFP_KERNEL);
> - if (!bank)
> - return -ENOMEM;
> -
> - irqc = devm_kzalloc(dev, sizeof(*irqc), GFP_KERNEL);
> - if (!irqc)
> - return -ENOMEM;
> -
> - irqc->irq_startup = omap_gpio_irq_startup,
> - irqc->irq_shutdown = omap_gpio_irq_shutdown,
> - irqc->irq_ack = omap_gpio_ack_irq,
> - irqc->irq_mask = omap_gpio_mask_irq,
> - irqc->irq_unmask = omap_gpio_unmask_irq,
> - irqc->irq_set_type = omap_gpio_irq_type,
> - irqc->irq_set_wake = omap_gpio_wake_enable,
> - irqc->irq_bus_lock = omap_gpio_irq_bus_lock,
> - irqc->irq_bus_sync_unlock = gpio_irq_bus_sync_unlock,
> - irqc->name = dev_name(&pdev->dev);
> - irqc->flags = IRQCHIP_MASK_ON_SUSPEND;
> - irqc->parent_device = dev;
> -
> - bank->irq = platform_get_irq(pdev, 0);
> - if (bank->irq <= 0) {
> - if (!bank->irq)
> - bank->irq = -ENXIO;
> - if (bank->irq != -EPROBE_DEFER)
> - dev_err(dev,
> - "can't get irq resource ret=%d\n", bank->irq);
> - return bank->irq;
> - }
> -
> - bank->chip.parent = dev;
> - bank->chip.owner = THIS_MODULE;
> - bank->dbck_flag = pdata->dbck_flag;
> - bank->quirks = pdata->quirks;
> - bank->stride = pdata->bank_stride;
> - bank->width = pdata->bank_width;
> - bank->is_mpuio = pdata->is_mpuio;
> - bank->non_wakeup_gpios = pdata->non_wakeup_gpios;
> - bank->regs = pdata->regs;
> -#ifdef CONFIG_OF_GPIO
> - bank->chip.of_node = of_node_get(node);
> -#endif
> -
> - if (node) {
> - if (!of_property_read_bool(node, "ti,gpio-always-on"))
> - bank->loses_context = true;
> - } else {
> - bank->loses_context = pdata->loses_context;
> -
> - if (bank->loses_context)
> - bank->get_context_loss_count =
> - pdata->get_context_loss_count;
> - }
> -
> - if (bank->regs->set_dataout && bank->regs->clr_dataout) {
> - bank->set_dataout = omap_set_gpio_dataout_reg;
> - bank->set_dataout_multiple = omap_set_gpio_dataout_reg_multiple;
> - } else {
> - bank->set_dataout = omap_set_gpio_dataout_mask;
> - bank->set_dataout_multiple =
> - omap_set_gpio_dataout_mask_multiple;
> - }
> -
> - if (bank->quirks & OMAP_GPIO_QUIRK_IDLE_REMOVE_TRIGGER) {
> - bank->funcs.idle_enable_level_quirk =
> - omap2_gpio_enable_level_quirk;
> - bank->funcs.idle_disable_level_quirk =
> - omap2_gpio_disable_level_quirk;
> - }
> -
> - raw_spin_lock_init(&bank->lock);
> - raw_spin_lock_init(&bank->wa_lock);
> -
> - /* Static mapping, never released */
> - res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> - bank->base = devm_ioremap_resource(dev, res);
> - if (IS_ERR(bank->base)) {
> - return PTR_ERR(bank->base);
> - }
> -
> - if (bank->dbck_flag) {
> - bank->dbck = devm_clk_get(dev, "dbclk");
> - if (IS_ERR(bank->dbck)) {
> - dev_err(dev,
> - "Could not get gpio dbck. Disable debounce\n");
> - bank->dbck_flag = false;
> - } else {
> - clk_prepare(bank->dbck);
> - }
> - }
> -
> - platform_set_drvdata(pdev, bank);
> -
> - pm_runtime_enable(dev);
> - pm_runtime_get_sync(dev);
> -
> - if (bank->is_mpuio)
> - omap_mpuio_init(bank);
> -
> - omap_gpio_mod_init(bank);
> -
> - ret = omap_gpio_chip_init(bank, irqc);
> - if (ret) {
> - pm_runtime_put_sync(dev);
> - pm_runtime_disable(dev);
> - if (bank->dbck_flag)
> - clk_unprepare(bank->dbck);
> - return ret;
> - }
> -
> - omap_gpio_show_rev(bank);
> + writel_relaxed(bank->context.wake_en,
> + bank->base + bank->regs->wkup_en);
> + writel_relaxed(bank->context.ctrl, bank->base + bank->regs->ctrl);
> + writel_relaxed(bank->context.leveldetect0,
> + bank->base + bank->regs->leveldetect0);
> + writel_relaxed(bank->context.leveldetect1,
> + bank->base + bank->regs->leveldetect1);
> + writel_relaxed(bank->context.risingdetect,
> + bank->base + bank->regs->risingdetect);
> + writel_relaxed(bank->context.fallingdetect,
> + bank->base + bank->regs->fallingdetect);
> + if (bank->regs->set_dataout && bank->regs->clr_dataout)
> + writel_relaxed(bank->context.dataout,
> + bank->base + bank->regs->set_dataout);
> + else
> + writel_relaxed(bank->context.dataout,
> + bank->base + bank->regs->dataout);
> + writel_relaxed(bank->context.oe, bank->base + bank->regs->direction);
>
> - if (bank->funcs.idle_enable_level_quirk &&
> - bank->funcs.idle_disable_level_quirk) {
> - bank->nb.notifier_call = gpio_omap_cpu_notifier;
> - cpu_pm_register_notifier(&bank->nb);
> + if (bank->dbck_enable_mask) {
> + writel_relaxed(bank->context.debounce, bank->base +
> + bank->regs->debounce);
> + writel_relaxed(bank->context.debounce_en,
> + bank->base + bank->regs->debounce_en);
> }
>
> - pm_runtime_put(dev);
> -
> - return 0;
> -}
> -
> -static int omap_gpio_remove(struct platform_device *pdev)
> -{
> - struct gpio_bank *bank = platform_get_drvdata(pdev);
> -
> - if (bank->nb.notifier_call)
> - cpu_pm_unregister_notifier(&bank->nb);
> - list_del(&bank->node);
> - gpiochip_remove(&bank->chip);
> - pm_runtime_disable(&pdev->dev);
> - if (bank->dbck_flag)
> - clk_unprepare(bank->dbck);
> -
> - return 0;
> + writel_relaxed(bank->context.irqenable1,
> + bank->base + bank->regs->irqenable);
> + writel_relaxed(bank->context.irqenable2,
> + bank->base + bank->regs->irqenable2);
> }
>
> -static void omap_gpio_restore_context(struct gpio_bank *bank);
> -
> static void omap_gpio_idle(struct gpio_bank *bank, bool may_lose_context)
> {
> struct device *dev = bank->chip.parent;
> @@ -1479,8 +1346,6 @@ static void omap_gpio_idle(struct gpio_bank *bank, bool may_lose_context)
> omap_gpio_dbck_disable(bank);
> }
>
> -static void omap_gpio_init_context(struct gpio_bank *p);
> -
> static void omap_gpio_unidle(struct gpio_bank *bank)
> {
> struct device *dev = bank->chip.parent;
> @@ -1574,113 +1439,33 @@ static void omap_gpio_unidle(struct gpio_bank *bank)
> bank->workaround_enabled = false;
> }
>
> -static void omap_gpio_init_context(struct gpio_bank *p)
> +static int gpio_omap_cpu_notifier(struct notifier_block *nb,
> + unsigned long cmd, void *v)
> {
> - struct omap_gpio_reg_offs *regs = p->regs;
> - void __iomem *base = p->base;
> + struct gpio_bank *bank;
> + unsigned long flags;
>
> - p->context.ctrl = readl_relaxed(base + regs->ctrl);
> - p->context.oe = readl_relaxed(base + regs->direction);
> - p->context.wake_en = readl_relaxed(base + regs->wkup_en);
> - p->context.leveldetect0 = readl_relaxed(base + regs->leveldetect0);
> - p->context.leveldetect1 = readl_relaxed(base + regs->leveldetect1);
> - p->context.risingdetect = readl_relaxed(base + regs->risingdetect);
> - p->context.fallingdetect = readl_relaxed(base + regs->fallingdetect);
> - p->context.irqenable1 = readl_relaxed(base + regs->irqenable);
> - p->context.irqenable2 = readl_relaxed(base + regs->irqenable2);
> + bank = container_of(nb, struct gpio_bank, nb);
>
> - if (regs->set_dataout && p->regs->clr_dataout)
> - p->context.dataout = readl_relaxed(base + regs->set_dataout);
> - else
> - p->context.dataout = readl_relaxed(base + regs->dataout);
> + raw_spin_lock_irqsave(&bank->lock, flags);
> + switch (cmd) {
> + case CPU_CLUSTER_PM_ENTER:
> + if (bank->is_suspended)
> + break;
> + omap_gpio_idle(bank, true);
> + break;
> + case CPU_CLUSTER_PM_ENTER_FAILED:
> + case CPU_CLUSTER_PM_EXIT:
> + if (bank->is_suspended)
> + break;
> + omap_gpio_unidle(bank);
> + break;
> + }
> + raw_spin_unlock_irqrestore(&bank->lock, flags);
>
> - p->context_valid = true;
> -}
> -
> -static void omap_gpio_restore_context(struct gpio_bank *bank)
> -{
> - writel_relaxed(bank->context.wake_en,
> - bank->base + bank->regs->wkup_en);
> - writel_relaxed(bank->context.ctrl, bank->base + bank->regs->ctrl);
> - writel_relaxed(bank->context.leveldetect0,
> - bank->base + bank->regs->leveldetect0);
> - writel_relaxed(bank->context.leveldetect1,
> - bank->base + bank->regs->leveldetect1);
> - writel_relaxed(bank->context.risingdetect,
> - bank->base + bank->regs->risingdetect);
> - writel_relaxed(bank->context.fallingdetect,
> - bank->base + bank->regs->fallingdetect);
> - if (bank->regs->set_dataout && bank->regs->clr_dataout)
> - writel_relaxed(bank->context.dataout,
> - bank->base + bank->regs->set_dataout);
> - else
> - writel_relaxed(bank->context.dataout,
> - bank->base + bank->regs->dataout);
> - writel_relaxed(bank->context.oe, bank->base + bank->regs->direction);
> -
> - if (bank->dbck_enable_mask) {
> - writel_relaxed(bank->context.debounce, bank->base +
> - bank->regs->debounce);
> - writel_relaxed(bank->context.debounce_en,
> - bank->base + bank->regs->debounce_en);
> - }
> -
> - writel_relaxed(bank->context.irqenable1,
> - bank->base + bank->regs->irqenable);
> - writel_relaxed(bank->context.irqenable2,
> - bank->base + bank->regs->irqenable2);
> -}
> -
> -static int __maybe_unused omap_gpio_runtime_suspend(struct device *dev)
> -{
> - struct gpio_bank *bank = dev_get_drvdata(dev);
> - unsigned long flags;
> - int error = 0;
> -
> - raw_spin_lock_irqsave(&bank->lock, flags);
> - /* Must be idled only by CPU_CLUSTER_PM_ENTER? */
> - if (bank->irq_usage) {
> - error = -EBUSY;
> - goto unlock;
> - }
> - omap_gpio_idle(bank, true);
> - bank->is_suspended = true;
> -unlock:
> - raw_spin_unlock_irqrestore(&bank->lock, flags);
> -
> - return error;
> -}
> -
> -static int __maybe_unused omap_gpio_runtime_resume(struct device *dev)
> -{
> - struct gpio_bank *bank = dev_get_drvdata(dev);
> - unsigned long flags;
> - int error = 0;
> -
> - raw_spin_lock_irqsave(&bank->lock, flags);
> - /* Must be unidled only by CPU_CLUSTER_PM_ENTER? */
> - if (bank->irq_usage) {
> - error = -EBUSY;
> - goto unlock;
> - }
> - omap_gpio_unidle(bank);
> - bank->is_suspended = false;
> -unlock:
> - raw_spin_unlock_irqrestore(&bank->lock, flags);
> -
> - return error;
> + return NOTIFY_OK;
> }
>
> -#ifdef CONFIG_ARCH_OMAP2PLUS
> -static const struct dev_pm_ops gpio_pm_ops = {
> - SET_RUNTIME_PM_OPS(omap_gpio_runtime_suspend, omap_gpio_runtime_resume,
> - NULL)
> -};
> -#else
> -static const struct dev_pm_ops gpio_pm_ops;
> -#endif /* CONFIG_ARCH_OMAP2PLUS */
> -
> -#if defined(CONFIG_OF)
> static struct omap_gpio_reg_offs omap2_gpio_regs = {
> .revision = OMAP24XX_GPIO_REVISION,
> .direction = OMAP24XX_GPIO_OE,
> @@ -1768,15 +1553,215 @@ static const struct of_device_id omap_gpio_match[] = {
> { },
> };
> MODULE_DEVICE_TABLE(of, omap_gpio_match);
> +
> +static int omap_gpio_probe(struct platform_device *pdev)
> +{
> + struct device *dev = &pdev->dev;
> + struct device_node *node = dev->of_node;
> + const struct of_device_id *match;
> + const struct omap_gpio_platform_data *pdata;
> + struct resource *res;
> + struct gpio_bank *bank;
> + struct irq_chip *irqc;
> + int ret;
> +
> + match = of_match_device(of_match_ptr(omap_gpio_match), dev);
> +
> + pdata = match ? match->data : dev_get_platdata(dev);
> + if (!pdata)
> + return -EINVAL;
> +
> + bank = devm_kzalloc(dev, sizeof(*bank), GFP_KERNEL);
> + if (!bank)
> + return -ENOMEM;
> +
> + irqc = devm_kzalloc(dev, sizeof(*irqc), GFP_KERNEL);
> + if (!irqc)
> + return -ENOMEM;
> +
> + irqc->irq_startup = omap_gpio_irq_startup,
> + irqc->irq_shutdown = omap_gpio_irq_shutdown,
> + irqc->irq_ack = omap_gpio_ack_irq,
> + irqc->irq_mask = omap_gpio_mask_irq,
> + irqc->irq_unmask = omap_gpio_unmask_irq,
> + irqc->irq_set_type = omap_gpio_irq_type,
> + irqc->irq_set_wake = omap_gpio_wake_enable,
> + irqc->irq_bus_lock = omap_gpio_irq_bus_lock,
> + irqc->irq_bus_sync_unlock = gpio_irq_bus_sync_unlock,
> + irqc->name = dev_name(&pdev->dev);
> + irqc->flags = IRQCHIP_MASK_ON_SUSPEND;
> + irqc->parent_device = dev;
> +
> + bank->irq = platform_get_irq(pdev, 0);
> + if (bank->irq <= 0) {
> + if (!bank->irq)
> + bank->irq = -ENXIO;
> + if (bank->irq != -EPROBE_DEFER)
> + dev_err(dev,
> + "can't get irq resource ret=%d\n", bank->irq);
> + return bank->irq;
> + }
> +
> + bank->chip.parent = dev;
> + bank->chip.owner = THIS_MODULE;
> + bank->dbck_flag = pdata->dbck_flag;
> + bank->quirks = pdata->quirks;
> + bank->stride = pdata->bank_stride;
> + bank->width = pdata->bank_width;
> + bank->is_mpuio = pdata->is_mpuio;
> + bank->non_wakeup_gpios = pdata->non_wakeup_gpios;
> + bank->regs = pdata->regs;
> +#ifdef CONFIG_OF_GPIO
> + bank->chip.of_node = of_node_get(node);
> #endif
>
> + if (node) {
> + if (!of_property_read_bool(node, "ti,gpio-always-on"))
> + bank->loses_context = true;
> + } else {
> + bank->loses_context = pdata->loses_context;
> +
> + if (bank->loses_context)
> + bank->get_context_loss_count =
> + pdata->get_context_loss_count;
> + }
> +
> + if (bank->regs->set_dataout && bank->regs->clr_dataout) {
> + bank->set_dataout = omap_set_gpio_dataout_reg;
> + bank->set_dataout_multiple = omap_set_gpio_dataout_reg_multiple;
> + } else {
> + bank->set_dataout = omap_set_gpio_dataout_mask;
> + bank->set_dataout_multiple =
> + omap_set_gpio_dataout_mask_multiple;
> + }
> +
> + if (bank->quirks & OMAP_GPIO_QUIRK_IDLE_REMOVE_TRIGGER) {
> + bank->funcs.idle_enable_level_quirk =
> + omap2_gpio_enable_level_quirk;
> + bank->funcs.idle_disable_level_quirk =
> + omap2_gpio_disable_level_quirk;
> + }
> +
> + raw_spin_lock_init(&bank->lock);
> + raw_spin_lock_init(&bank->wa_lock);
> +
> + /* Static mapping, never released */
> + res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> + bank->base = devm_ioremap_resource(dev, res);
> + if (IS_ERR(bank->base)) {
> + return PTR_ERR(bank->base);
> + }
> +
> + if (bank->dbck_flag) {
> + bank->dbck = devm_clk_get(dev, "dbclk");
> + if (IS_ERR(bank->dbck)) {
> + dev_err(dev,
> + "Could not get gpio dbck. Disable debounce\n");
> + bank->dbck_flag = false;
> + } else {
> + clk_prepare(bank->dbck);
> + }
> + }
> +
> + platform_set_drvdata(pdev, bank);
> +
> + pm_runtime_enable(dev);
> + pm_runtime_get_sync(dev);
> +
> + if (bank->is_mpuio)
> + omap_mpuio_init(bank);
> +
> + omap_gpio_mod_init(bank);
> +
> + ret = omap_gpio_chip_init(bank, irqc);
> + if (ret) {
> + pm_runtime_put_sync(dev);
> + pm_runtime_disable(dev);
> + if (bank->dbck_flag)
> + clk_unprepare(bank->dbck);
> + return ret;
> + }
> +
> + omap_gpio_show_rev(bank);
> +
> + if (bank->funcs.idle_enable_level_quirk &&
> + bank->funcs.idle_disable_level_quirk) {
> + bank->nb.notifier_call = gpio_omap_cpu_notifier;
> + cpu_pm_register_notifier(&bank->nb);
> + }
> +
> + pm_runtime_put(dev);
> +
> + return 0;
> +}
> +
> +static int omap_gpio_remove(struct platform_device *pdev)
> +{
> + struct gpio_bank *bank = platform_get_drvdata(pdev);
> +
> + if (bank->nb.notifier_call)
> + cpu_pm_unregister_notifier(&bank->nb);
> + list_del(&bank->node);
> + gpiochip_remove(&bank->chip);
> + pm_runtime_disable(&pdev->dev);
> + if (bank->dbck_flag)
> + clk_unprepare(bank->dbck);
> +
> + return 0;
> +}
> +
> +static int __maybe_unused omap_gpio_runtime_suspend(struct device *dev)
> +{
> + struct gpio_bank *bank = dev_get_drvdata(dev);
> + unsigned long flags;
> + int error = 0;
> +
> + raw_spin_lock_irqsave(&bank->lock, flags);
> + /* Must be idled only by CPU_CLUSTER_PM_ENTER? */
> + if (bank->irq_usage) {
> + error = -EBUSY;
> + goto unlock;
> + }
> + omap_gpio_idle(bank, true);
> + bank->is_suspended = true;
> +unlock:
> + raw_spin_unlock_irqrestore(&bank->lock, flags);
> +
> + return error;
> +}
> +
> +static int __maybe_unused omap_gpio_runtime_resume(struct device *dev)
> +{
> + struct gpio_bank *bank = dev_get_drvdata(dev);
> + unsigned long flags;
> + int error = 0;
> +
> + raw_spin_lock_irqsave(&bank->lock, flags);
> + /* Must be unidled only by CPU_CLUSTER_PM_ENTER? */
> + if (bank->irq_usage) {
> + error = -EBUSY;
> + goto unlock;
> + }
> + omap_gpio_unidle(bank);
> + bank->is_suspended = false;
> +unlock:
> + raw_spin_unlock_irqrestore(&bank->lock, flags);
> +
> + return error;
> +}
> +
> +static const struct dev_pm_ops gpio_pm_ops = {
> + SET_RUNTIME_PM_OPS(omap_gpio_runtime_suspend, omap_gpio_runtime_resume,
> + NULL)
> +};
> +
> static struct platform_driver omap_gpio_driver = {
> .probe = omap_gpio_probe,
> .remove = omap_gpio_remove,
> .driver = {
> .name = "omap_gpio",
> .pm = &gpio_pm_ops,
> - .of_match_table = of_match_ptr(omap_gpio_match),
> + .of_match_table = omap_gpio_match,

This doesn't seem like a logical part of this commit. Can you send a
separate patch?

Other than that, looks good to me.

Bart

> },
> };
>
> --
> 2.20.0
>

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