[coreboot-gerrit] New patch to review for coreboot: 4a7aa66 libpayload: Bring keyboard_wait_write() back

[Patrick Georgi (patrick@georgi-clan.de)]

Patrick Georgi (patrick at georgi-clan.de) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/4649

-gerrit

commit 4a7aa6610e08b3dbac7b5018ec08cd9192be83f6
Author: Patrick Georgi <patrick at georgi-clan.de>
Date:   Fri Jan 10 20:40:59 2014 +0100

    libpayload: Bring keyboard_wait_write() back
    
    Code is using it...
    
    Change-Id: I6894b45cbbf70c8e7ce37ce18d93cadf0ea9fbfc
    Signed-off-by: Patrick Georgi <patrick at georgi-clan.de>
---
 payloads/libpayload/drivers/keyboard.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/payloads/libpayload/drivers/keyboard.c b/payloads/libpayload/drivers/keyboard.c
index 0175bc7..ddedbd3 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.