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Date:   Tue, 19 Apr 2022 14:29:05 -0000
From:   "irqchip-bot for Marc Zyngier" <tip-bot2@linutronix.de>
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To:     linux-kernel@vger.kernel.org
Subject: [irqchip: irq/irqchip-next] gpio: Expose the gpiochip_irq_re[ql]res helpers
Cc:     Andy Shevchenko <andy.shevchenko@gmail.com>,
        Bartosz Golaszewski <brgl@bgdev.pl>,
        Marc Zyngier <maz@kernel.org>, tglx@linutronix.de
In-Reply-To: <20220419141846.598305-3-maz@kernel.org>
References: <20220419141846.598305-3-maz@kernel.org>
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The following commit has been merged into the irq/irqchip-next branch of irqchip:

Commit-ID:     704f08753b6dcd0e08c1953af0b2c7f3fac87111
Gitweb:        https://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms/704f08753b6dcd0e08c1953af0b2c7f3fac87111
Author:        Marc Zyngier <maz@kernel.org>
AuthorDate:    Tue, 19 Apr 2022 15:18:38 +01:00
Committer:     Marc Zyngier <maz@kernel.org>
CommitterDate: Tue, 19 Apr 2022 15:22:25 +01:00

gpio: Expose the gpiochip_irq_re[ql]res helpers

The GPIO subsystem has a couple of internal helpers to manage
resources on behalf of the irqchip. Expose them so that GPIO
drivers can use them directly.

Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Reviewed-by: Bartosz Golaszewski <brgl@bgdev.pl>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20220419141846.598305-3-maz@kernel.org
---
 drivers/gpio/gpiolib.c      | 6 ++++--
 include/linux/gpio/driver.h | 4 ++++
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index 48191e6..36e436a 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -1423,19 +1423,21 @@ static int gpiochip_to_irq(struct gpio_chip *gc, unsigned int offset)
 	return irq_create_mapping(domain, offset);
 }
 
-static int gpiochip_irq_reqres(struct irq_data *d)
+int gpiochip_irq_reqres(struct irq_data *d)
 {
 	struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
 
 	return gpiochip_reqres_irq(gc, d->hwirq);
 }
+EXPORT_SYMBOL(gpiochip_irq_reqres);
 
-static void gpiochip_irq_relres(struct irq_data *d)
+void gpiochip_irq_relres(struct irq_data *d)
 {
 	struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
 
 	gpiochip_relres_irq(gc, d->hwirq);
 }
+EXPORT_SYMBOL(gpiochip_irq_relres);
 
 static void gpiochip_irq_mask(struct irq_data *d)
 {
diff --git a/include/linux/gpio/driver.h b/include/linux/gpio/driver.h
index 98c9351..066bcfd 100644
--- a/include/linux/gpio/driver.h
+++ b/include/linux/gpio/driver.h
@@ -579,6 +579,10 @@ void gpiochip_relres_irq(struct gpio_chip *gc, unsigned int offset);
 void gpiochip_disable_irq(struct gpio_chip *gc, unsigned int offset);
 void gpiochip_enable_irq(struct gpio_chip *gc, unsigned int offset);
 
+/* irq_data versions of the above */
+int gpiochip_irq_reqres(struct irq_data *data);
+void gpiochip_irq_relres(struct irq_data *data);
+
 /* Line status inquiry for drivers */
 bool gpiochip_line_is_open_drain(struct gpio_chip *gc, unsigned int offset);
 bool gpiochip_line_is_open_source(struct gpio_chip *gc, unsigned int offset);