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authorUwe Kleine-König <u.kleine-koenig@pengutronix.de>2022-08-15 10:02:29 +0200
committerWolfram Sang <wsa@kernel.org>2022-08-16 12:34:13 +0200
commit6a8f359c3132e4f51bdb263ad74ec632c65e55fd (patch)
treeeea078421e0728ab3900285e0de326b0e3d4d246 /arch/arm/mach-davinci
parent22a23436891886a66d21af3619f4a4e8809f0e0a (diff)
downloadlinux-6a8f359c3132e4f51bdb263ad74ec632c65e55fd.tar.gz
gpio: pca953x: Make platform teardown callback return void
All platforms that provide a teardown callback return 0. New users are
supposed to not make use of platform support, so there is no
functionality lost.

This patch is a preparation for making i2c remove callbacks return void.

Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Bartosz Golaszewski <brgl@bgdev.pl>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
Diffstat (limited to 'arch/arm/mach-davinci')
-rw-r--r--arch/arm/mach-davinci/board-da850-evm.c12
1 files changed, 4 insertions, 8 deletions
diff --git a/arch/arm/mach-davinci/board-da850-evm.c b/arch/arm/mach-davinci/board-da850-evm.c
index 92d74bc71967..d752ee2b30ff 100644
--- a/arch/arm/mach-davinci/board-da850-evm.c
+++ b/arch/arm/mach-davinci/board-da850-evm.c
@@ -516,8 +516,8 @@ exp_setup_sela_fail:
 	return ret;
 }
 
-static int da850_evm_ui_expander_teardown(struct i2c_client *client,
-					unsigned gpio, unsigned ngpio, void *c)
+static void da850_evm_ui_expander_teardown(struct i2c_client *client,
+					   unsigned gpio, unsigned ngpio, void *c)
 {
 	platform_device_unregister(&da850_evm_ui_keys_device);
 
@@ -529,8 +529,6 @@ static int da850_evm_ui_expander_teardown(struct i2c_client *client,
 	gpio_free(gpio + DA850_EVM_UI_EXP_SEL_C);
 	gpio_free(gpio + DA850_EVM_UI_EXP_SEL_B);
 	gpio_free(gpio + DA850_EVM_UI_EXP_SEL_A);
-
-	return 0;
 }
 
 /* assign the baseboard expander's GPIOs after the UI board's */
@@ -697,13 +695,11 @@ io_exp_setup_sw_fail:
 	return ret;
 }
 
-static int da850_evm_bb_expander_teardown(struct i2c_client *client,
-					unsigned gpio, unsigned ngpio, void *c)
+static void da850_evm_bb_expander_teardown(struct i2c_client *client,
+					   unsigned gpio, unsigned ngpio, void *c)
 {
 	platform_device_unregister(&da850_evm_bb_leds_device);
 	platform_device_unregister(&da850_evm_bb_keys_device);
-
-	return 0;
 }
 
 static struct pca953x_platform_data da850_evm_ui_expander_info = {