Re: [PATCH] fujitsu-laptop: Use IS_ENABLED() instead of checking for built-in or module

From: Jonathan Woithe
Date: Wed Apr 27 2016 - 19:46:01 EST


On Tue, Apr 26, 2016 at 06:28:17PM -0400, 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>

Acked-by: Jonathan Woithe <jwoithe@xxxxxxxxxx>

> ---
>
> drivers/platform/x86/fujitsu-laptop.c | 12 ++++++------
> 1 file changed, 6 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/platform/x86/fujitsu-laptop.c b/drivers/platform/x86/fujitsu-laptop.c
> index 1cb39d00d014..ce41bc34288d 100644
> --- a/drivers/platform/x86/fujitsu-laptop.c
> +++ b/drivers/platform/x86/fujitsu-laptop.c
> @@ -69,7 +69,7 @@
> #include <linux/kfifo.h>
> #include <linux/platform_device.h>
> #include <linux/slab.h>
> -#if defined(CONFIG_LEDS_CLASS) || defined(CONFIG_LEDS_CLASS_MODULE)
> +#if IS_ENABLED(CONFIG_LEDS_CLASS)
> #include <linux/leds.h>
> #endif
> #include <acpi/video.h>
> @@ -100,7 +100,7 @@
> /* FUNC interface - responses */
> #define UNSUPPORTED_CMD 0x80000000
>
> -#if defined(CONFIG_LEDS_CLASS) || defined(CONFIG_LEDS_CLASS_MODULE)
> +#if IS_ENABLED(CONFIG_LEDS_CLASS)
> /* FUNC interface - LED control */
> #define FUNC_LED_OFF 0x1
> #define FUNC_LED_ON 0x30001
> @@ -182,7 +182,7 @@ static struct fujitsu_hotkey_t *fujitsu_hotkey;
>
> static void acpi_fujitsu_hotkey_notify(struct acpi_device *device, u32 event);
>
> -#if defined(CONFIG_LEDS_CLASS) || defined(CONFIG_LEDS_CLASS_MODULE)
> +#if IS_ENABLED(CONFIG_LEDS_CLASS)
> static enum led_brightness logolamp_get(struct led_classdev *cdev);
> static void logolamp_set(struct led_classdev *cdev,
> enum led_brightness brightness);
> @@ -261,7 +261,7 @@ static int call_fext_func(int cmd, int arg0, int arg1, int arg2)
> return value;
> }
>
> -#if defined(CONFIG_LEDS_CLASS) || defined(CONFIG_LEDS_CLASS_MODULE)
> +#if IS_ENABLED(CONFIG_LEDS_CLASS)
> /* LED class callbacks */
>
> static void logolamp_set(struct led_classdev *cdev,
> @@ -903,7 +903,7 @@ static int acpi_fujitsu_hotkey_add(struct acpi_device *device)
> /* Suspect this is a keymap of the application panel, print it */
> pr_info("BTNI: [0x%x]\n", call_fext_func(FUNC_BUTTONS, 0x0, 0x0, 0x0));
>
> -#if defined(CONFIG_LEDS_CLASS) || defined(CONFIG_LEDS_CLASS_MODULE)
> +#if IS_ENABLED(CONFIG_LEDS_CLASS)
> if (call_fext_func(FUNC_LEDS, 0x0, 0x0, 0x0) & LOGOLAMP_POWERON) {
> result = led_classdev_register(&fujitsu->pf_device->dev,
> &logolamp_led);
> @@ -963,7 +963,7 @@ static int acpi_fujitsu_hotkey_remove(struct acpi_device *device)
> struct fujitsu_hotkey_t *fujitsu_hotkey = acpi_driver_data(device);
> struct input_dev *input = fujitsu_hotkey->input;
>
> -#if defined(CONFIG_LEDS_CLASS) || defined(CONFIG_LEDS_CLASS_MODULE)
> +#if IS_ENABLED(CONFIG_LEDS_CLASS)
> if (fujitsu_hotkey->logolamp_registered)
> led_classdev_unregister(&logolamp_led);
>
> --
> 2.5.5