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.

Marc Zyngier committed 4 years ago

Commit 704f0871 parent 6c846d02 files · +8 −2Browse files

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include/linux/gpio/driver.h+4−0

@@ -579,6 +579,10 @@ void gpiochip_relres_irq(struct gpio_chip *gc, unsigned int offset); · 578 unmodified lines
579	579	void gpiochip_disable_irq(struct gpio_chip *gc, unsigned int offset);
580	580	void gpiochip_enable_irq(struct gpio_chip *gc, unsigned int offset);
581	581
	582	+/* irq_data versions of the above */
	583	+int gpiochip_irq_reqres(struct irq_data *data);
	584	+void gpiochip_irq_relres(struct irq_data *data);
	585	+
582	586	/* Line status inquiry for drivers */
583	587	bool gpiochip_line_is_open_drain(struct gpio_chip *gc, unsigned int offset);
584	588	bool gpiochip_line_is_open_source(struct gpio_chip *gc, unsigned int offset);