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| author | Patrick Georgi <patrick@georgi-clan.de> | 2014-01-10 20:40:59 +0100 |
|---|---|---|
| committer | Nico Huber <nico.h@gmx.de> | 2014-01-19 11:37:39 +0100 |
| commit | fd5b3704374c9ca7d57627f9d449536d02b9baf0 (patch) | |
| tree | 8d1861994a543513457b4c0474f614ce6d750b42 | |
| parent | 5fb48a85dc9f3fdb28779b92eb19870615d32322 (diff) | |
| download | coreboot-fd5b3704374c9ca7d57627f9d449536d02b9baf0.tar.xz | |
libpayload: Bring keyboard_wait_write() back
Code is using it...
Change-Id: I6894b45cbbf70c8e7ce37ce18d93cadf0ea9fbfc
Signed-off-by: Patrick Georgi <patrick@georgi-clan.de>
Reviewed-on: http://review.coreboot.org/4649
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Nico Huber <nico.h@gmx.de>
| -rw-r--r-- | payloads/libpayload/drivers/keyboard.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/payloads/libpayload/drivers/keyboard.c b/payloads/libpayload/drivers/keyboard.c index 0175bc74d9..ddedbd3942 100644 --- a/payloads/libpayload/drivers/keyboard.c +++ b/payloads/libpayload/drivers/keyboard.c @@ -258,6 +258,16 @@ int keyboard_getchar(void) return ret; } +static int keyboard_wait_write(void) +{ + int retries = 10000; + + while(retries-- && (inb(0x64) & 0x02)) + udelay(50); + + return (retries <= 0) ? -1 : 0; +} + /** * Set keyboard layout * @param country string describing the keyboard layout language. |