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authorLinus Torvalds <torvalds@linux-foundation.org>2012-05-23 14:16:40 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2012-05-23 14:16:40 -0400
commit44bc40e1489622234169786b0ad5a1f4a01e1090 (patch)
treecd247a6f130b8993e92ac62f76ced2b023491d09 /arch/x86/boot
parent02171b4a7c5b555d08c3321332e0c45776518276 (diff)
parentead91d4b8c3b1fb08a73aaa4a191230ecf717ee0 (diff)
Merge branch 'x86-platform-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 platform changes from Ingo Molnar: "This tree includes assorted platform driver updates and a preparatory series for a platform with custom DMA remapping semantics (sta2x11 I/O hub)." * 'x86-platform-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/vsmp: Fix number of CPUs when vsmp is disabled keyboard: Use BIOS Keyboard variable to set Numlock x86/olpc/xo1/sci: Report RTC wakeup events x86/olpc/xo1/sci: Produce wakeup events for buttons and switches x86, platform: Initial support for sta2x11 I/O hub x86: Introduce CONFIG_X86_DMA_REMAP x86-32: Introduce CONFIG_X86_DEV_DMA_OPS
Diffstat (limited to 'arch/x86/boot')
-rw-r--r--arch/x86/boot/main.c18
1 files changed, 12 insertions, 6 deletions
diff --git a/arch/x86/boot/main.c b/arch/x86/boot/main.c
index 40358c8905be..cf6083d444f4 100644
--- a/arch/x86/boot/main.c
+++ b/arch/x86/boot/main.c
@@ -57,14 +57,20 @@ static void copy_boot_params(void)
57} 57}
58 58
59/* 59/*
60 * Set the keyboard repeat rate to maximum. Unclear why this 60 * Query the keyboard lock status as given by the BIOS, and
61 * set the keyboard repeat rate to maximum. Unclear why the latter
61 * is done here; this might be possible to kill off as stale code. 62 * is done here; this might be possible to kill off as stale code.
62 */ 63 */
63static void keyboard_set_repeat(void) 64static void keyboard_init(void)
64{ 65{
65 struct biosregs ireg; 66 struct biosregs ireg, oreg;
66 initregs(&ireg); 67 initregs(&ireg);
67 ireg.ax = 0x0305; 68
69 ireg.ah = 0x02; /* Get keyboard status */
70 intcall(0x16, &ireg, &oreg);
71 boot_params.kbd_status = oreg.al;
72
73 ireg.ax = 0x0305; /* Set keyboard repeat rate */
68 intcall(0x16, &ireg, NULL); 74 intcall(0x16, &ireg, NULL);
69} 75}
70 76
@@ -151,8 +157,8 @@ void main(void)
151 /* Detect memory layout */ 157 /* Detect memory layout */
152 detect_memory(); 158 detect_memory();
153 159
154 /* Set keyboard repeat rate (why?) */ 160 /* Set keyboard repeat rate (why?) and query the lock flags */
155 keyboard_set_repeat(); 161 keyboard_init();
156 162
157 /* Query MCA information */ 163 /* Query MCA information */
158 query_mca(); 164 query_mca();