brandon@brandon-laptop:~$ patch -p1 -R </home/brandon/patch.txt 
can't find file to patch at input line 15
Perhaps you used the wrong -p or --strip option?
The text leading up to this was:
--------------------------
|# HG changeset patch
|# User tiwai
|# Date 1172146981 -3600
|# Node ID 02d568a3f4401100bba6802b72b4d2e59f200e75
|# Parent 7fd55c1344ed56b06747e8f3503b07c93b572dc8
|is_power_of_2 in rtctimer.c
|
|Replacing (n & (n-1)) in the context of power of 2 checks
|with is_power_of_2
|
|Signed-off-by: vignesh babu <vignesh.babu@wipro.com>
|
|--- a/core/rtctimer.c  Thu Feb 22 12:58:27 2007 +0100
|+++ b/core/rtctimer.c  Thu Feb 22 13:23:01 2007 +0100
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File to patch: