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

1 files changed, 2 insertions, 2 deletions

diff --git a/firmware/mp3_playback.c b/firmware/mp3_playback.c
index b2b7205318..ed71be290c 100644
--- a/firmware/mp3_playback.c
+++ b/firmware/mp3_playback.c
@@ -134,7 +134,7 @@ static void postpone_dma_tick(void)
 #if (CONFIG_CODEC == MAS3587F) || (CONFIG_CODEC == MAS3539F)
 void demand_irq_enable(bool on)
 {
-    int oldlevel = set_irq_level(HIGHEST_IRQ_LEVEL);
+    int oldlevel = disable_irq_save();
     
     if(on)
     {
@@ -144,7 +144,7 @@ void demand_irq_enable(bool on)
     else
         IPRA &= 0xfff0;
 
-    set_irq_level(oldlevel);
+    restore_irq(oldlevel);
 }
 #endif /* #if (CONFIG_CODEC == MAS3587F) || (CONFIG_CODEC == MAS3539F) */