openwrt/target/linux/brcm63xx/patches-3.3/301-led_count.patch
Florian Fainelli f164b71189 leds: do not register device if no leds defined
Signed-off-by: Miguel GAIO <miguel.gaio@efixo.com>

SVN-Revision: 33158
2012-08-13 09:55:10 +00:00

42 lines
1.3 KiB
Diff

--- a/arch/mips/bcm63xx/boards/board_bcm963xx.c
+++ b/arch/mips/bcm63xx/boards/board_bcm963xx.c
@@ -862,6 +862,7 @@ static struct platform_device bcm63xx_gp
int __init board_register_devices(void)
{
int button_count = 0;
+ int led_count = 0;
if (board.has_uart0)
bcm63xx_uart_register(0);
@@ -900,10 +901,16 @@ int __init board_register_devices(void)
bcm63xx_flash_register();
- bcm63xx_led_data.num_leds = ARRAY_SIZE(board.leds);
- bcm63xx_led_data.leds = board.leds;
+ /* count number of LEDs defined by this device */
+ while (led_count < ARRAY_SIZE(board.leds) && board.leds[led_count].name)
+ led_count++;
+
+ if (led_count) {
+ bcm63xx_led_data.num_leds = led_count;
+ bcm63xx_led_data.leds = board.leds;
- platform_device_register(&bcm63xx_gpio_leds);
+ platform_device_register(&bcm63xx_gpio_leds);
+ }
/* count number of BUTTONs defined by this device */
while (button_count < ARRAY_SIZE(board.buttons) && board.buttons[button_count].desc)
--- a/arch/mips/include/asm/mach-bcm63xx/board_bcm963xx.h
+++ b/arch/mips/include/asm/mach-bcm63xx/board_bcm963xx.h
@@ -57,7 +57,7 @@ struct board_info {
struct bcm63xx_dsp_platform_data dsp;
/* GPIO LEDs */
- struct gpio_led leds[5];
+ struct gpio_led leds[14];
/* Buttons */
struct gpio_keys_button buttons[4];