diff options
| -rw-r--r-- | drivers/input/i8042.c | 9 | ||||
| -rw-r--r-- | include/i8042.h | 6 |
2 files changed, 9 insertions, 6 deletions
diff --git a/drivers/input/i8042.c b/drivers/input/i8042.c index c3bc536..6839c6b 100644 --- a/drivers/input/i8042.c +++ b/drivers/input/i8042.c @@ -607,11 +607,10 @@ static void kbd_led_set(void) static int kbd_input_empty(void) { - int kbdTimeout = KBD_TIMEOUT; + int kbdTimeout = KBD_TIMEOUT * 1000; - /* wait for input buf empty */ - while ((in8(I8042_STATUS_REG) & 0x02) && kbdTimeout--) - udelay(1000); + while ((in8(I8042_STATUS_REG) & I8042_STATUS_IN_DATA) && kbdTimeout--) + udelay(1); return kbdTimeout != -1; } @@ -625,8 +624,6 @@ static int kbd_reset(void) out8(I8042_DATA_REG, 0xff); - udelay(250000); - if (kbd_input_empty() == 0) return -1; diff --git a/include/i8042.h b/include/i8042.h index 1395289..aeb3f09 100644 --- a/include/i8042.h +++ b/include/i8042.h @@ -39,6 +39,12 @@ #define I8042_STATUS_REG (CONFIG_SYS_ISA_IO + 0x0064) /* keyboard status read */ #define I8042_COMMAND_REG (CONFIG_SYS_ISA_IO + 0x0064) /* keyboard ctrl write */ +enum { + /* Output register (I8042_DATA_REG) has data for system */ + I8042_STATUS_OUT_DATA = 1 << 0, + I8042_STATUS_IN_DATA = 1 << 1, +}; + #define KBD_US 0 /* default US layout */ #define KBD_GER 1 /* german layout */ |