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Subject[irqchip: irq/irqchip-next] irqchip/meson-gpio: Make it possible to build as a module
The following commit has been merged into the irq/irqchip-next branch of irqchip:

Commit-ID: a947aa00edd4d465f89fdb6029ed40c00a344bc2
Gitweb: https://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms/a947aa00edd4d465f89fdb6029ed40c00a344bc2
Author: Neil Armstrong <narmstrong@baylibre.com>
AuthorDate: Thu, 02 Sep 2021 15:49:13 +02:00
Committer: Marc Zyngier <maz@kernel.org>
CommitterDate: Wed, 20 Oct 2021 19:38:01 +01:00

irqchip/meson-gpio: Make it possible to build as a module

In order to reduce the kernel Image size on multi-platform distributions,
make it possible to build the Amlogic GPIO IRQ controller as a module
by switching it to a platform driver.

Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Acked-by: Saravana Kannan <saravanak@google.com>
Reported-by: kernel test robot <lkp@intel.com>
Reviewed-by: Lee Jones <lee.jones@linaro.org>
Reviewed-by: Kevin Hilman <khilman@baylibre.com>
Tested-by: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20210902134914.176986-2-narmstrong@baylibre.com
---
drivers/irqchip/Kconfig | 5 +++--
drivers/irqchip/irq-meson-gpio.c | 15 +++++++++------
2 files changed, 12 insertions(+), 8 deletions(-)

diff --git a/drivers/irqchip/Kconfig b/drivers/irqchip/Kconfig
index aca7b59..6a4496f 100644
--- a/drivers/irqchip/Kconfig
+++ b/drivers/irqchip/Kconfig
@@ -400,8 +400,9 @@ config IRQ_UNIPHIER_AIDET
Support for the UniPhier AIDET (ARM Interrupt Detector).

config MESON_IRQ_GPIO
- bool "Meson GPIO Interrupt Multiplexer"
- depends on ARCH_MESON
+ tristate "Meson GPIO Interrupt Multiplexer"
+ depends on ARCH_MESON || COMPILE_TEST
+ default ARCH_MESON
select IRQ_DOMAIN_HIERARCHY
help
Support Meson SoC Family GPIO Interrupt Multiplexer
diff --git a/drivers/irqchip/irq-meson-gpio.c b/drivers/irqchip/irq-meson-gpio.c
index e50676c..d90ff0b 100644
--- a/drivers/irqchip/irq-meson-gpio.c
+++ b/drivers/irqchip/irq-meson-gpio.c
@@ -436,8 +436,7 @@ static const struct irq_domain_ops meson_gpio_irq_domain_ops = {
.translate = meson_gpio_irq_domain_translate,
};

-static int __init meson_gpio_irq_parse_dt(struct device_node *node,
- struct meson_gpio_irq_controller *ctl)
+static int meson_gpio_irq_parse_dt(struct device_node *node, struct meson_gpio_irq_controller *ctl)
{
const struct of_device_id *match;
int ret;
@@ -463,8 +462,7 @@ static int __init meson_gpio_irq_parse_dt(struct device_node *node,
return 0;
}

-static int __init meson_gpio_irq_of_init(struct device_node *node,
- struct device_node *parent)
+static int meson_gpio_irq_of_init(struct device_node *node, struct device_node *parent)
{
struct irq_domain *domain, *parent_domain;
struct meson_gpio_irq_controller *ctl;
@@ -521,5 +519,10 @@ free_ctl:
return ret;
}

-IRQCHIP_DECLARE(meson_gpio_intc, "amlogic,meson-gpio-intc",
- meson_gpio_irq_of_init);
+IRQCHIP_PLATFORM_DRIVER_BEGIN(meson_gpio_intc)
+IRQCHIP_MATCH("amlogic,meson-gpio-intc", meson_gpio_irq_of_init)
+IRQCHIP_PLATFORM_DRIVER_END(meson_gpio_intc)
+
+MODULE_AUTHOR("Jerome Brunet <jbrunet@baylibre.com>");
+MODULE_LICENSE("GPL v2");
+MODULE_ALIAS("platform:meson-gpio-intc");
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