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authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>2022-05-12 20:39:21 +0300
committerAndy Shevchenko <andriy.shevchenko@linux.intel.com>2022-06-06 14:09:16 +0300
commit41a18c4918dcd57a49b0d046d9f2d587878de739 (patch)
treeae4ed11c2aa7591e8b8ac7f43fe9e5e74cc232a8 /drivers/gpio
parent68a12c19e1cb0f3332d3f59e1d5447f2aff97cd7 (diff)
downloadlinux-41a18c4918dcd57a49b0d046d9f2d587878de739.tar.xz
gpio: wcove: make irq_chip immutable
Since recently, the kernel is nagging about mutable irq_chips: "not an immutable chip, please consider fixing it!" Drop the unneeded copy, flag it as IRQCHIP_IMMUTABLE, add the new helper functions and call the appropriate gpiolib functions. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com>
Diffstat (limited to 'drivers/gpio')
-rw-r--r--drivers/gpio/gpio-wcove.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/gpio/gpio-wcove.c b/drivers/gpio/gpio-wcove.c
index 16a0fae1e32e..c18b6b47384f 100644
--- a/drivers/gpio/gpio-wcove.c
+++ b/drivers/gpio/gpio-wcove.c
@@ -299,6 +299,8 @@ static void wcove_irq_unmask(struct irq_data *data)
if (gpio >= WCOVE_GPIO_NUM)
return;
+ gpiochip_enable_irq(chip, gpio);
+
wg->set_irq_mask = false;
wg->update |= UPDATE_IRQ_MASK;
}
@@ -314,15 +316,19 @@ static void wcove_irq_mask(struct irq_data *data)
wg->set_irq_mask = true;
wg->update |= UPDATE_IRQ_MASK;
+
+ gpiochip_disable_irq(chip, gpio);
}
-static struct irq_chip wcove_irqchip = {
+static const struct irq_chip wcove_irqchip = {
.name = "Whiskey Cove",
.irq_mask = wcove_irq_mask,
.irq_unmask = wcove_irq_unmask,
.irq_set_type = wcove_irq_type,
.irq_bus_lock = wcove_bus_lock,
.irq_bus_sync_unlock = wcove_bus_sync_unlock,
+ .flags = IRQCHIP_IMMUTABLE,
+ GPIOCHIP_IRQ_RESOURCE_HELPERS,
};
static irqreturn_t wcove_gpio_irq_handler(int irq, void *data)
@@ -452,7 +458,7 @@ static int wcove_gpio_probe(struct platform_device *pdev)
}
girq = &wg->chip.irq;
- girq->chip = &wcove_irqchip;
+ gpio_irq_chip_set_chip(girq, &wcove_irqchip);
/* This will let us handle the parent IRQ in the driver */
girq->parent_handler = NULL;
girq->num_parents = 0;