The power-saving SLEEP patch by Simon Elén.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@3259 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 4 insertions, 2 deletions

diff --git a/firmware/drivers/ata.c b/firmware/drivers/ata.c
index 79193d9800..e65200eea2 100644
--- a/firmware/drivers/ata.c
+++ b/firmware/drivers/ata.c
@@ -111,7 +111,8 @@ static int wait_for_bsy(void)
 {
     int timeout = current_tick + HZ*10;
     while (TIME_BEFORE(current_tick, timeout) && (ATA_ALT_STATUS & STATUS_BSY))
-        yield();
+        sleep_thread();
+    wake_up_thread();
 
     if (TIME_BEFORE(current_tick, timeout))
         return 1;
@@ -131,7 +132,8 @@ static int wait_for_rdy(void)
     
     while (TIME_BEFORE(current_tick, timeout) &&
            !(ATA_ALT_STATUS & STATUS_RDY))
-        yield();
+        sleep_thread();
+    wake_up_thread();
 
     if (TIME_BEFORE(current_tick, timeout))
         return STATUS_RDY;