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| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2011-01-11 05:10:08 +0100 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2011-01-11 05:10:08 +0100 |
| commit | eed0ba0b4ab2d1668588219a8efa81bf8636a12d (patch) | |
| tree | f5aa3c732e7830a1b24e6071f8bed0f799881187 /drivers/parisc/led.c | |
| parent | powerpc/powermac: Make auto-loading of therm_pm72 possible (diff) | |
| parent | powerpc/83xx: add mpc8308_p1m DMA controller device-tree node (diff) | |
| download | linux-eed0ba0b4ab2d1668588219a8efa81bf8636a12d.tar.xz linux-eed0ba0b4ab2d1668588219a8efa81bf8636a12d.zip | |
Merge remote branch 'gcl/next' into next
Diffstat (limited to 'drivers/parisc/led.c')
| -rw-r--r-- | drivers/parisc/led.c | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/drivers/parisc/led.c b/drivers/parisc/led.c index 2350e8a86eef..f2f501e5b6a0 100644 --- a/drivers/parisc/led.c +++ b/drivers/parisc/led.c @@ -64,6 +64,7 @@ static unsigned int led_diskio __read_mostly = 1; static unsigned int led_lanrxtx __read_mostly = 1; static char lcd_text[32] __read_mostly; static char lcd_text_default[32] __read_mostly; +static int lcd_no_led_support __read_mostly = 0; /* KittyHawk doesn't support LED on its LCD */ static struct workqueue_struct *led_wq; @@ -115,7 +116,7 @@ lcd_info __attribute__((aligned(8))) __read_mostly = .lcd_width = 16, .lcd_cmd_reg_addr = KITTYHAWK_LCD_CMD, .lcd_data_reg_addr = KITTYHAWK_LCD_DATA, - .min_cmd_delay = 40, + .min_cmd_delay = 80, .reset_cmd1 = 0x80, .reset_cmd2 = 0xc0, }; @@ -135,6 +136,9 @@ static int start_task(void) /* Display the default text now */ if (led_type == LED_HASLCD) lcd_print( lcd_text_default ); + /* KittyHawk has no LED support on its LCD */ + if (lcd_no_led_support) return 0; + /* Create the work queue and queue the LED task */ led_wq = create_singlethread_workqueue("led_wq"); queue_delayed_work(led_wq, &led_task, 0); @@ -248,9 +252,13 @@ static int __init led_create_procfs(void) proc_pdc_root = proc_mkdir("pdc", 0); if (!proc_pdc_root) return -1; - ent = proc_create_data("led", S_IRUGO|S_IWUSR, proc_pdc_root, - &led_proc_fops, (void *)LED_NOLCD); /* LED */ - if (!ent) return -1; + + if (!lcd_no_led_support) + { + ent = proc_create_data("led", S_IRUGO|S_IWUSR, proc_pdc_root, + &led_proc_fops, (void *)LED_NOLCD); /* LED */ + if (!ent) return -1; + } if (led_type == LED_HASLCD) { @@ -692,6 +700,7 @@ int __init led_init(void) case 0x58B: /* KittyHawk DC2 100 (K200) */ printk(KERN_INFO "%s: KittyHawk-Machine (hversion 0x%x) found, " "LED detection skipped.\n", __FILE__, CPU_HVERSION); + lcd_no_led_support = 1; goto found; /* use the preinitialized values of lcd_info */ } |