OMAP3:PM: introduce enabled flag to omap_opp

Commit Message

Nishanth Menon Oct. 9, 2009, 8:27 p.m. UTC

None

Patch

diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c
index cea3bca..a75d4d1 100644
--- a/arch/arm/mach-omap2/pm34xx.c
+++ b/arch/arm/mach-omap2/pm34xx.c
@@ -100,41 +100,41 @@  static struct prm_setup_vc prm_setup = {
 };
 
 struct omap_opp omap3_mpu_rate_table[] = {
-	{0, 0, 0},
+	{0, 0, 0, 0},
 	/*OPP1*/
-	{S125M, VDD1_OPP1, 0x1E},
+	{true, S125M, VDD1_OPP1, 0x1E, true},
 	/*OPP2*/
-	{S250M, VDD1_OPP2, 0x26},
+	{true, S250M, VDD1_OPP2, 0x26},
 	/*OPP3*/
-	{S500M, VDD1_OPP3, 0x30},
+	{true, S500M, VDD1_OPP3, 0x30},
 	/*OPP4*/
-	{S550M, VDD1_OPP4, 0x36},
+	{true, S550M, VDD1_OPP4, 0x36},
 	/*OPP5*/
-	{S600M, VDD1_OPP5, 0x3C},
+	{true, S600M, VDD1_OPP5, 0x3C},
 };
 
 struct omap_opp omap3_l3_rate_table[] = {
-	{0, 0, 0},
+	{0, 0, 0, 0},
 	/*OPP1*/
-	{0, VDD2_OPP1, 0x1E},
+	{false, 0, VDD2_OPP1, 0x1E},
 	/*OPP2*/
-	{S83M, VDD2_OPP2, 0x24},
+	{true, S83M, VDD2_OPP2, 0x24},
 	/*OPP3*/
-	{S166M, VDD2_OPP3, 0x2C},
+	{true, S166M, VDD2_OPP3, 0x2C},
 };
 
 struct omap_opp omap3_dsp_rate_table[] = {
-	{0, 0, 0},
+	{0, 0, 0, 0},
 	/*OPP1*/
-	{S90M, VDD1_OPP1, 0x1E},
+	{true, S90M, VDD1_OPP1, 0x1E},
 	/*OPP2*/
-	{S180M, VDD1_OPP2, 0x26},
+	{true, S180M, VDD1_OPP2, 0x26},
 	/*OPP3*/
-	{S360M, VDD1_OPP3, 0x30},
+	{true, S360M, VDD1_OPP3, 0x30},
 	/*OPP4*/
-	{S400M, VDD1_OPP4, 0x36},
+	{true, S400M, VDD1_OPP4, 0x36},
 	/*OPP5*/
-	{S430M, VDD1_OPP5, 0x3C},
+	{true, S430M, VDD1_OPP5, 0x3C},
 };
 
 const struct omap_opp_table omap3_mpu_opp_table = {
diff --git a/arch/arm/mach-omap2/resource34xx.c b/arch/arm/mach-omap2/resource34xx.c
index 491e1dc..12de2c6 100644
--- a/arch/arm/mach-omap2/resource34xx.c
+++ b/arch/arm/mach-omap2/resource34xx.c
@@ -282,6 +282,9 @@  static int program_opp(int res, struct omap_opp *opp, int target_level,
 	t_opp = ID_VDD(res) | ID_OPP_NO(opp[target_level].opp_id);
 	c_opp = ID_VDD(res) | ID_OPP_NO(opp[current_level].opp_id);
 #endif
+	/* only allow enabled OPPs */
+	if (!opp[target_level].enabled)
+		return -EINVAL;
 
 	/* Sanity check of the OPP params before attempting to set */
 	if (!opp[target_level].rate || !opp[target_level].vsel)
diff --git a/arch/arm/plat-omap/include/mach/omap-pm.h b/arch/arm/plat-omap/include/mach/omap-pm.h
index 51216cf..33e1a3e 100644
--- a/arch/arm/plat-omap/include/mach/omap-pm.h
+++ b/arch/arm/plat-omap/include/mach/omap-pm.h
@@ -21,6 +21,7 @@ 
 
 /**
  * struct omap_opp - clock frequency-to-OPP ID table for DSP, MPU
+ * @enabled: enabled if true, disabled if false
  * @rate: target clock rate
  * @opp_id: OPP ID
  * @min_vdd: minimum VDD1 voltage (in millivolts) for this OPP
@@ -28,6 +29,7 @@ 
  * Operating performance point data.  Can vary by OMAP chip and board.
  */
 struct omap_opp {
+	bool enabled;
 	unsigned long rate;
 	u8 opp_id;
 	u16 vsel;