Re: [PATCH] mfd: Use IS_ENABLED(CONFIG_FOO) instead of checking FOO || FOO_MODULE

From: Lee Jones
Date: Mon Apr 25 2016 - 12:19:49 EST


On Wed, 20 Apr 2016, Javier Martinez Canillas wrote:

> The IS_ENABLED() macro checks if a Kconfig symbol has been enabled either
> built-in or as a module, use that macro instead of open coding the same.
>
> Signed-off-by: Javier Martinez Canillas <javier@xxxxxxxxxxxxxxx>
>
> ---

Applied, thanks.

> drivers/mfd/dm355evm_msp.c | 8 ++++----
> drivers/mfd/wm8400-core.c | 6 +++---
> 2 files changed, 7 insertions(+), 7 deletions(-)
>
> diff --git a/drivers/mfd/dm355evm_msp.c b/drivers/mfd/dm355evm_msp.c
> index ec4438ed2faf..04c25c4a8ff4 100644
> --- a/drivers/mfd/dm355evm_msp.c
> +++ b/drivers/mfd/dm355evm_msp.c
> @@ -33,25 +33,25 @@
> * This driver was tested with firmware revision A4.
> */
>
> -#if defined(CONFIG_INPUT_DM355EVM) || defined(CONFIG_INPUT_DM355EVM_MODULE)
> +#if IS_ENABLED(CONFIG_INPUT_DM355EVM)
> #define msp_has_keyboard() true
> #else
> #define msp_has_keyboard() false
> #endif
>
> -#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
> +#if IS_ENABLED(CONFIG_LEDS_GPIO)
> #define msp_has_leds() true
> #else
> #define msp_has_leds() false
> #endif
>
> -#if defined(CONFIG_RTC_DRV_DM355EVM) || defined(CONFIG_RTC_DRV_DM355EVM_MODULE)
> +#if IS_ENABLED(CONFIG_RTC_DRV_DM355EVM)
> #define msp_has_rtc() true
> #else
> #define msp_has_rtc() false
> #endif
>
> -#if defined(CONFIG_VIDEO_TVP514X) || defined(CONFIG_VIDEO_TVP514X_MODULE)
> +#if IS_ENABLED(CONFIG_VIDEO_TVP514X)
> #define msp_has_tvp() true
> #else
> #define msp_has_tvp() false
> diff --git a/drivers/mfd/wm8400-core.c b/drivers/mfd/wm8400-core.c
> index 3bd44a45c378..8f9cbc0fb37a 100644
> --- a/drivers/mfd/wm8400-core.c
> +++ b/drivers/mfd/wm8400-core.c
> @@ -156,7 +156,7 @@ void wm8400_reset_codec_reg_cache(struct wm8400 *wm8400)
> }
> EXPORT_SYMBOL_GPL(wm8400_reset_codec_reg_cache);
>
> -#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
> +#if IS_ENABLED(CONFIG_I2C)
> static int wm8400_i2c_probe(struct i2c_client *i2c,
> const struct i2c_device_id *id)
> {
> @@ -205,7 +205,7 @@ static int __init wm8400_module_init(void)
> {
> int ret = -ENODEV;
>
> -#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
> +#if IS_ENABLED(CONFIG_I2C)
> ret = i2c_add_driver(&wm8400_i2c_driver);
> if (ret != 0)
> pr_err("Failed to register I2C driver: %d\n", ret);
> @@ -217,7 +217,7 @@ subsys_initcall(wm8400_module_init);
>
> static void __exit wm8400_module_exit(void)
> {
> -#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
> +#if IS_ENABLED(CONFIG_I2C)
> i2c_del_driver(&wm8400_i2c_driver);
> #endif
> }

--
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org â Open source software for ARM SoCs
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