linux-kernel - [PATCH 2/3] drivers: gpio: pcf857x: use subsys_spi

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Date:   Mon, 17 Jun 2019 20:40:39 +0200
From:   "Enrico Weigelt, metux IT consult" <info@...ux.net>
To:     linux-kernel@...r.kernel.org
Cc:     linus.walleij@...aro.org, bgolaszewski@...libre.com,
        broonie@...nel.org, linux-gpio@...r.kernel.org,
        linux-spi@...r.kernel.org
Subject: [PATCH 2/3] drivers: gpio: pcf857x: use subsys_spi_driver()

From: Enrico Weigelt <info@...ux.net>

Reduce driver init boilerplate by using the new
subsys_spi_driver() macro.

Signed-off-by: Enrico Weigelt <info@...ux.net>
---
 drivers/gpio/gpio-max7301.c | 13 +------------
 1 file changed, 1 insertion(+), 12 deletions(-)

diff --git a/drivers/gpio/gpio-max7301.c b/drivers/gpio/gpio-max7301.c
index 647dfbb..30815cf 100644
--- a/drivers/gpio/gpio-max7301.c
+++ b/drivers/gpio/gpio-max7301.c
@@ -86,21 +86,10 @@ static int max7301_remove(struct spi_device *spi)
 	.remove = max7301_remove,
 	.id_table = max7301_id,
 };
-
-static int __init max7301_init(void)
-{
-	return spi_register_driver(&max7301_driver);
-}
 /* register after spi postcore initcall and before
  * subsys initcalls that may rely on these GPIOs
  */
-subsys_initcall(max7301_init);
-
-static void __exit max7301_exit(void)
-{
-	spi_unregister_driver(&max7301_driver);
-}
-module_exit(max7301_exit);
+subsys_spi_driver(max7301_driver);
 
 MODULE_AUTHOR("Juergen Beisert, Wolfram Sang");
 MODULE_LICENSE("GPL v2");
-- 
1.9.1