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leds: do not register device if no leds defined

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Signed-off-by: Miguel GAIO <miguel.gaio@efixo.com>

SVN-Revision: 33158
This commit is contained in:
Florian Fainelli 2012-08-13 09:55:10 +00:00
parent f0f10014a0
commit f164b71189
1 changed files with 11 additions and 4 deletions
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15
target/linux/brcm63xx/patches-3.3/301-led_count.patch
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@ -8,19 +8,26 @@
if (board.has_uart0) if (board.has_uart0)
bcm63xx_uart_register(0); bcm63xx_uart_register(0);
@@ -900,7 +901,11 @@ int __init board_register_devices(void) @@ -900,10 +901,16 @@ int __init board_register_devices(void)
bcm63xx_flash_register(); bcm63xx_flash_register();
- bcm63xx_led_data.num_leds = ARRAY_SIZE(board.leds); - bcm63xx_led_data.num_leds = ARRAY_SIZE(board.leds);
- bcm63xx_led_data.leds = board.leds;
+ /* count number of LEDs defined by this device */ + /* count number of LEDs defined by this device */
+ while (led_count < ARRAY_SIZE(board.leds) && board.leds[led_count].name) + while (led_count < ARRAY_SIZE(board.leds) && board.leds[led_count].name)
+ led_count++; + led_count++;
+ +
+ bcm63xx_led_data.num_leds = led_count; + if (led_count) {
bcm63xx_led_data.leds = board.leds; + 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);
+ 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 --- a/arch/mips/include/asm/mach-bcm63xx/board_bcm963xx.h
+++ b/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 { @@ -57,7 +57,7 @@ struct board_info {