[v2,08/18] omap3+: sr: introduce class init,deinit and priv data

Commit Message

Nishanth Menon March 2, 2011, 10:55 a.m. UTC

None

Patch

diff --git a/arch/arm/mach-omap2/smartreflex.c b/arch/arm/mach-omap2/smartreflex.c
index 08e1ee4..35658a2 100644
--- a/arch/arm/mach-omap2/smartreflex.c
+++ b/arch/arm/mach-omap2/smartreflex.c
@@ -220,6 +220,13 @@  static void sr_start_vddautocomp(struct omap_sr *sr)
 		return;
 	}
 
+	if (sr_class->class_init &&
+	    sr_class->class_init(sr->voltdm, sr_class->class_priv_data)) {
+		dev_err(&sr->pdev->dev,
+			"%s: SRClass initialization failed\n", __func__);
+		return;
+	}
+
 	if (!sr_class->enable(sr->voltdm))
 		sr->autocomp_active = true;
 }
@@ -235,6 +242,13 @@  static void sr_stop_vddautocomp(struct omap_sr *sr)
 
 	if (sr->autocomp_active) {
 		sr_class->disable(sr->voltdm, 1);
+		if (sr_class->class_deinit &&
+		    sr_class->class_deinit(sr->voltdm,
+			    sr_class->class_priv_data)) {
+			dev_err(&sr->pdev->dev,
+				"%s: SR[%d]Class deinitialization failed\n",
+				__func__, sr->srid);
+		}
 		sr->autocomp_active = false;
 	}
 }
diff --git a/arch/arm/plat-omap/include/plat/smartreflex.h b/arch/arm/plat-omap/include/plat/smartreflex.h
index 6568c88..8b6ecd9 100644
--- a/arch/arm/plat-omap/include/plat/smartreflex.h
+++ b/arch/arm/plat-omap/include/plat/smartreflex.h
@@ -167,6 +167,8 @@  struct omap_sr_pmic_data {
  *
  * @enable:		API to enable a particular class smaartreflex.
  * @disable:		API to disable a particular class smartreflex.
+ * @class_init:		API to do class specific initialization (optional)
+ * @class_deinit:	API to do class specific initialization (optional)
  * @configure:		API to configure a particular class smartreflex.
  * @notify:		API to notify the class driver about an event in SR.
  *			Not needed for class3.
@@ -174,14 +176,19 @@  struct omap_sr_pmic_data {
  * @class_type:		specify which smartreflex class.
  *			Can be used by the SR driver to take any class
  *			based decisions.
+ * @class_priv_data:	Class specific private data (optional)
  */
 struct omap_sr_class_data {
 	int (*enable)(struct voltagedomain *voltdm);
 	int (*disable)(struct voltagedomain *voltdm, int is_volt_reset);
+	int (*class_init)(struct voltagedomain *voltdm, void *class_priv_data);
+	int (*class_deinit)(struct voltagedomain *voltdm,
+			void *class_priv_data);
 	int (*configure)(struct voltagedomain *voltdm);
 	int (*notify)(struct voltagedomain *voltdm, u32 status);
 	u8 notify_flags;
 	u8 class_type;
+	void *class_priv_data;
 };
 
 /**