Blackfin arch: Move write to VR_CTL closer to IDLE

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

3 files changed, 12 insertions, 6 deletions

diff --git a/include/asm-blackfin/mach-bf533/cdefBF532.h b/include/asm-blackfin/mach-bf533/cdefBF532.h
index 1d7c494ceb64..521bdb4d297d 100644
--- a/include/asm-blackfin/mach-bf533/cdefBF532.h
+++ b/include/asm-blackfin/mach-bf533/cdefBF532.h
@@ -63,12 +63,14 @@ static __inline__ void bfin_write_VR_CTL(unsigned int val)
 {
         unsigned long flags, iwr;
 
-        bfin_write16(VR_CTL, val);
-        __builtin_bfin_ssync();
         /* Enable the PLL Wakeup bit in SIC IWR */
         iwr = bfin_read32(SIC_IWR);
         /* Only allow PPL Wakeup) */
         bfin_write32(SIC_IWR, IWR_ENABLE(0));
+
+        bfin_write16(VR_CTL, val);
+        __builtin_bfin_ssync();
+
         local_irq_save(flags);
         asm("IDLE;");
         local_irq_restore(flags);
diff --git a/include/asm-blackfin/mach-bf537/cdefBF534.h b/include/asm-blackfin/mach-bf537/cdefBF534.h
index 7b658c175f85..9a167f3b224e 100644
--- a/include/asm-blackfin/mach-bf537/cdefBF534.h
+++ b/include/asm-blackfin/mach-bf537/cdefBF534.h
@@ -51,12 +51,14 @@ static __inline__ void bfin_write_VR_CTL(unsigned int val)
 {
         unsigned long flags, iwr;
 
-        bfin_write16(VR_CTL, val);
-        __builtin_bfin_ssync();
         /* Enable the PLL Wakeup bit in SIC IWR */
         iwr = bfin_read32(SIC_IWR);
         /* Only allow PPL Wakeup) */
         bfin_write32(SIC_IWR, IWR_ENABLE(0));
+
+        bfin_write16(VR_CTL, val);
+        __builtin_bfin_ssync();
+
         local_irq_save(flags);
         asm("IDLE;");
         local_irq_restore(flags);
diff --git a/include/asm-blackfin/mach-bf561/cdefBF561.h b/include/asm-blackfin/mach-bf561/cdefBF561.h
index 5dc0ed835447..b14f872e5703 100644
--- a/include/asm-blackfin/mach-bf561/cdefBF561.h
+++ b/include/asm-blackfin/mach-bf561/cdefBF561.h
@@ -59,12 +59,14 @@ static __inline__ void bfin_write_VR_CTL(unsigned int val)
 {
         unsigned long flags, iwr;
 
-        bfin_write16(VR_CTL, val);
-        __builtin_bfin_ssync();
         /* Enable the PLL Wakeup bit in SIC IWR */
         iwr = bfin_read32(SICA_IWR0);
         /* Only allow PPL Wakeup) */
         bfin_write32(SICA_IWR0, IWR_ENABLE(0));
+
+        bfin_write16(VR_CTL, val);
+        __builtin_bfin_ssync();
+
         local_irq_save(flags);
         asm("IDLE;");
         local_irq_restore(flags);