1 files changed, 15 insertions, 17 deletions

diff --git a/arch/blackfin/mach-common/dpmc.S b/arch/blackfin/mach-common/dpmc.S
index 301ac1b6681f..b82c096e1980 100644
--- a/arch/blackfin/mach-common/dpmc.S
+++ b/arch/blackfin/mach-common/dpmc.S
@@ -175,7 +175,7 @@ ENTRY(_sleep_mode)
         call _set_sic_iwr;
 
         R0 = 0xFFFF (Z);
-        call _set_rtc_istat
+        call _set_rtc_istat;
 
         P0.H = hi(PLL_CTL);
         P0.L = lo(PLL_CTL);
@@ -213,7 +213,7 @@ ENTRY(_hibernate_mode)
         call _set_sic_iwr;
 
         R0 = 0xFFFF (Z);
-        call _set_rtc_istat
+        call _set_rtc_istat;
 
         P0.H = hi(VR_CTL);
         P0.L = lo(VR_CTL);
@@ -288,23 +288,22 @@ ENTRY(_sleep_deeper)
         P3 = R0;
         R0 = IWR_ENABLE(0);
         call _set_sic_iwr;
-        call _set_dram_srfs;
+        call _set_dram_srfs;    /* Set SDRAM Self Refresh */
 
         /* Clear all the interrupts,bits sticky */
         R0 = 0xFFFF (Z);
-        call _set_rtc_istat
-
+        call _set_rtc_istat;
         P0.H = hi(PLL_DIV);
         P0.L = lo(PLL_DIV);
         R6 = W[P0](z);
         R0.L = 0xF;
-        W[P0] = R0.l;
+        W[P0] = R0.l;           /* Set Max VCO to SCLK divider */
 
         P0.H = hi(PLL_CTL);
         P0.L = lo(PLL_CTL);
         R5 = W[P0](z);
         R0.L = (CONFIG_MIN_VCO_HZ/CONFIG_CLKIN_HZ) << 9;
-        W[P0] = R0.l;
+        W[P0] = R0.l;           /* Set Min CLKIN to VCO multiplier */
 
         SSYNC;
         IDLE;
@@ -320,29 +319,28 @@ ENTRY(_sleep_deeper)
         R1 = R1|R2;
 
         R2 = DEPOSIT(R7, R1);
-        W[P0] = R2;
+        W[P0] = R2;             /* Set Min Core Voltage */
 
         SSYNC;
         IDLE;
 
         call _test_pll_locked;
 
+        R0 = P3;
+        call _set_sic_iwr;      /* Set Awake from IDLE */
+
         P0.H = hi(PLL_CTL);
         P0.L = lo(PLL_CTL);
         R0 = W[P0](z);
         BITSET (R0, 3);
-        W[P0] = R0.L;
-
-        R0 = P3;
-        call _set_sic_iwr;
-
+        W[P0] = R0.L;           /* Turn CCLK OFF */
         SSYNC;
         IDLE;
 
         call _test_pll_locked;
 
         R0 = IWR_ENABLE(0);
-        call _set_sic_iwr;
+        call _set_sic_iwr;      /* Set Awake from IDLE PLL */
 
         P0.H = hi(VR_CTL);
         P0.L = lo(VR_CTL);
@@ -355,15 +353,15 @@ ENTRY(_sleep_deeper)
 
         P0.H = hi(PLL_DIV);
         P0.L = lo(PLL_DIV);
-        W[P0]= R6;
+        W[P0]= R6;              /* Restore CCLK and SCLK divider */
 
         P0.H = hi(PLL_CTL);
         P0.L = lo(PLL_CTL);
-        w[p0] = R5;
+        w[p0] = R5;             /* Restore VCO multiplier */
         IDLE;
         call _test_pll_locked;
 
-        call _unset_dram_srfs;
+        call _unset_dram_srfs;  /* SDRAM Self Refresh Off */
 
         STI R4;