Fix coding style issues in dell-wmi-led to make sure the module gets a clean start in the x86 platform driver subsystem.
Signed-off-by: Michał Kępień kernel@kempniu.pl --- drivers/platform/x86/dell-wmi-led.c | 66 +++++++++++++++---------------------- 1 file changed, 26 insertions(+), 40 deletions(-)
diff --git a/drivers/platform/x86/dell-wmi-led.c b/drivers/platform/x86/dell-wmi-led.c index d0232c7f1909..a0c7e99530ef 100644 --- a/drivers/platform/x86/dell-wmi-led.c +++ b/drivers/platform/x86/dell-wmi-led.c @@ -46,37 +46,29 @@ struct bios_args { unsigned char off_time; };
-static int dell_led_perform_fn(u8 length, - u8 result_code, - u8 device_id, - u8 command, - u8 on_time, - u8 off_time) +static int dell_led_perform_fn(u8 length, u8 result_code, u8 device_id, + u8 command, u8 on_time, u8 off_time) { - struct bios_args *bios_return; - u8 return_code; - union acpi_object *obj; struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL }; + struct bios_args *bios_return; struct acpi_buffer input; + union acpi_object *obj; acpi_status status; + u8 return_code;
- struct bios_args args; - args.length = length; - args.result_code = result_code; - args.device_id = device_id; - args.command = command; - args.on_time = on_time; - args.off_time = off_time; + struct bios_args args = { + .length = length, + .result_code = result_code, + .device_id = device_id, + .command = command, + .on_time = on_time, + .off_time = off_time + };
input.length = sizeof(struct bios_args); input.pointer = &args;
- status = wmi_evaluate_method(DELL_LED_BIOS_GUID, - 1, - 1, - &input, - &output); - + status = wmi_evaluate_method(DELL_LED_BIOS_GUID, 1, 1, &input, &output); if (ACPI_FAILURE(status)) return status;
@@ -84,7 +76,7 @@ static int dell_led_perform_fn(u8 length,
if (!obj) return -EINVAL; - else if (obj->type != ACPI_TYPE_BUFFER) { + if (obj->type != ACPI_TYPE_BUFFER) { kfree(obj); return -EINVAL; } @@ -117,8 +109,7 @@ static int led_off(void) 0); /* not used */ }
-static int led_blink(unsigned char on_eighths, - unsigned char off_eighths) +static int led_blink(unsigned char on_eighths, unsigned char off_eighths) { return dell_led_perform_fn(5, /* Length of command */ INTERFACE_ERROR, /* Init to INTERFACE_ERROR */ @@ -129,7 +120,7 @@ static int led_blink(unsigned char on_eighths, }
static void dell_led_set(struct led_classdev *led_cdev, - enum led_brightness value) + enum led_brightness value) { if (value == LED_OFF) led_off(); @@ -138,27 +129,22 @@ static void dell_led_set(struct led_classdev *led_cdev, }
static int dell_led_blink(struct led_classdev *led_cdev, - unsigned long *delay_on, - unsigned long *delay_off) + unsigned long *delay_on, unsigned long *delay_off) { unsigned long on_eighths; unsigned long off_eighths;
- /* The Dell LED delay is based on 125ms intervals. - Need to round up to next interval. */ + /* + * The Dell LED delay is based on 125ms intervals. + * Need to round up to next interval. + */
- on_eighths = (*delay_on + 124) / 125; - if (0 == on_eighths) - on_eighths = 1; - if (on_eighths > 255) - on_eighths = 255; + on_eighths = DIV_ROUND_UP(*delay_on, 125); + on_eighths = clamp_t(unsigned long, on_eighths, 1, 255); *delay_on = on_eighths * 125;
- off_eighths = (*delay_off + 124) / 125; - if (0 == off_eighths) - off_eighths = 1; - if (off_eighths > 255) - off_eighths = 255; + off_eighths = DIV_ROUND_UP(*delay_off, 125); + off_eighths = clamp_t(unsigned long, off_eighths, 1, 255); *delay_off = off_eighths * 125;
led_blink(on_eighths, off_eighths);