Made set_irq_level() an inline function, and optimized it by removing the bit shifts

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@4330 a1c6a512-1295-4272-9138-f99709370657

3 files changed, 5 insertions, 4 deletions

diff --git a/firmware/drivers/button.c b/firmware/drivers/button.c
index 66c7e978fb..cbb6d58f7b 100644
--- a/firmware/drivers/button.c
+++ b/firmware/drivers/button.c
@@ -30,6 +30,7 @@
 #include "adc.h"
 #include "serial.h"
 #include "power.h"
+#include "system.h"
 
 struct event_queue button_queue;
 
@@ -256,10 +257,10 @@ static int button_flip(int button)
  */
 void button_set_flip(bool flip)
 {
-    if (flip != flipped) /* not the curent setting */
+    if (flip != flipped) /* not the current setting */
     {
         /* avoid race condition with the button_tick() */
-        int oldlevel = set_irq_level(15);
+        int oldlevel = set_irq_level(HIGHEST_IRQ_LEVEL);
         lastbtn = button_flip(lastbtn); 
         flipped = flip;
         set_irq_level(oldlevel);
diff --git a/firmware/drivers/power.c b/firmware/drivers/power.c
index 563ff3e25c..621f53e11e 100644
--- a/firmware/drivers/power.c
+++ b/firmware/drivers/power.c
@@ -118,7 +118,7 @@ bool ide_powered(void)
 
 void power_off(void)
 {
-    set_irq_level(15);
+    set_irq_level(HIGHEST_IRQ_LEVEL);
 #ifdef HAVE_POWEROFF_ON_PBDR
     and_b(~0x10, &PBDRL);
     or_b(0x10, &PBIORL);
diff --git a/firmware/drivers/serial.c b/firmware/drivers/serial.c
index 5aae38e58c..2badf2e39f 100644
--- a/firmware/drivers/serial.c
+++ b/firmware/drivers/serial.c
@@ -172,7 +172,7 @@ static void screen_dump(void)
 
     serial_enable_tx();
 
-    level = set_irq_level(15);
+    level = set_irq_level(HIGHEST_IRQ_LEVEL);
     for(y = 0;y < LCD_HEIGHT/8;y++)
     {
         for(x = 0;x < LCD_WIDTH;x++)