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Subject[PATCH] Enable A20 gate
From
From a5e4cd6cb1956d288b5a001f60699dc8b5528963 Mon Sep 17 00:00:00 2001
From: Syed Salman Mansoor <syed.salman.mansoor@gmail.com>
Date: Tue, 7 May 2013 12:49:24 +0500
Subject: [PATCH] Enable A20 gate
This is a patch to the a20.c file that fixes following
warnings/errors found by the checkpatch.pl tool
i) WARNING: please, no spaces at the start of a line
ii) WARNING: suspect code indent for conditional statements
iii) ERROR: trailing whitespace
Signed-off-by: Syed Salman Mansoor <syed.salman.mansoor@gmail.com>

---
arch/x86/boot/a20.c | 46 +++++++++++++++++++++++-----------------------
1 files changed, 23 insertions(+), 23 deletions(-)

diff --git a/arch/x86/boot/a20.c b/arch/x86/boot/a20.c
index 64a31a6..911d729 100644
--- a/arch/x86/boot/a20.c
+++ b/arch/x86/boot/a20.c
@@ -129,37 +129,37 @@ static void enable_a20_fast(void)

int enable_a20(void)
{
- int loops = A20_ENABLE_LOOPS;
- int kbc_err;
+ int loops = A20_ENABLE_LOOPS;
+ int kbc_err;

- while (loops--) {
- /* First, check to see if A20 is already enabled
+ while (loops--) {
+ /* First, check to see if A20 is already enabled
(legacy free, etc.) */
- if (a20_test_short())
- return 0;
-
+ if (a20_test_short())
+ return 0;
+
/* Next, try the BIOS (INT 0x15, AX=0x2401) */
enable_a20_bios();
- if (a20_test_short())
- return 0;
-
+ if (a20_test_short())
+ return 0;
+
/* Try enabling A20 through the keyboard controller */
kbc_err = empty_8042();

- if (a20_test_short())
- return 0; /* BIOS worked, but with delayed reaction */
-
- if (!kbc_err) {
- enable_a20_kbc();
- if (a20_test_long())
- return 0;
+ if (a20_test_short())
+ return 0; /* BIOS worked, but with delayed reaction */
+
+ if (!kbc_err) {
+ enable_a20_kbc();
+ if (a20_test_long())
+ return 0;
}
-
+
/* Finally, try enabling the "fast A20 gate" */
enable_a20_fast();
- if (a20_test_long())
- return 0;
- }
-
- return -1;
+ if (a20_test_long())
+ return 0;
+ }
+
+ return -1;
}
--
1.7.2.5[unhandled content-type:application/octet-stream]
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