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authorMichael Sevakis <jethead71@rockbox.org>2008-03-26 01:50:41 +0000
committerMichael Sevakis <jethead71@rockbox.org>2008-03-26 01:50:41 +0000
commitaf395f4db6ad7b83f9d9afefb1c0ceeedd140a45 (patch)
treeb631289b4a3b28d3c65b10d272d50298f377c69f /firmware/drivers/button.c
parent74d678fdbcbc427c057e7682ba0a0566e49a8b97 (diff)
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Do core interrupt masking in a less general fashion and save some instructions to decrease size and speed things up a little bit. Small fix to a few places where interrupts would get enabled again where they shouldn't have been (context switching calls when disabled).
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@16811 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'firmware/drivers/button.c')
-rw-r--r--firmware/drivers/button.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/firmware/drivers/button.c b/firmware/drivers/button.c
index b9473be..d38306b 100644
--- a/firmware/drivers/button.c
+++ b/firmware/drivers/button.c
@@ -465,10 +465,10 @@ void button_set_flip(bool flip)
if (flip != flipped) /* not the current setting */
{
/* avoid race condition with the button_tick() */
- int oldlevel = set_irq_level(HIGHEST_IRQ_LEVEL);
+ int oldlevel = disable_irq_save();
lastbtn = button_flip(lastbtn);
flipped = flip;
- set_irq_level(oldlevel);
+ restore_irq(oldlevel);
}
}
#endif /* HAVE_LCD_BITMAP */