[PATCH v7 3/7] gpio: aspeed: Change the macro to support deferred probe

From: Billy Tsai
Date: Tue Oct 08 2024 - 04:43:36 EST


Use module_platform_driver() to replace module_platform_driver_probe().
The former utilizes platform_driver_register(), which allows the driver to
defer probing when it doesn't acquire the necessary resources due to probe
order. In contrast, the latter uses __platform_driver_probe(), which
includes the comment "Note that this is incompatible with deferred
probing." Since our GPIO driver requires access to the clock resource, the
former is more suitable.

Reviewed-by: Andrew Jeffery <andrew@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Billy Tsai <billy_tsai@xxxxxxxxxxxxxx>
---
drivers/gpio/gpio-aspeed.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/gpio/gpio-aspeed.c b/drivers/gpio/gpio-aspeed.c
index ea40ad43a79b..c49c55ae962b 100644
--- a/drivers/gpio/gpio-aspeed.c
+++ b/drivers/gpio/gpio-aspeed.c
@@ -1169,7 +1169,7 @@ static const struct of_device_id aspeed_gpio_of_table[] = {
};
MODULE_DEVICE_TABLE(of, aspeed_gpio_of_table);

-static int __init aspeed_gpio_probe(struct platform_device *pdev)
+static int aspeed_gpio_probe(struct platform_device *pdev)
{
const struct of_device_id *gpio_id;
struct gpio_irq_chip *girq;
@@ -1270,13 +1270,14 @@ static int __init aspeed_gpio_probe(struct platform_device *pdev)
}

static struct platform_driver aspeed_gpio_driver = {
+ .probe = aspeed_gpio_probe,
.driver = {
.name = KBUILD_MODNAME,
.of_match_table = aspeed_gpio_of_table,
},
};

-module_platform_driver_probe(aspeed_gpio_driver, aspeed_gpio_probe);
+module_platform_driver(aspeed_gpio_driver);

MODULE_DESCRIPTION("Aspeed GPIO Driver");
MODULE_LICENSE("GPL");
--
2.25.1