IKXCLOCK-786 misc: c55_ctrl: remove dynamic pinmux support

The dynamic pinmuxing of the SPI flash SPI pins should logically
be controlled by the SPI flash driver instead. Remove this support
from the c55 driver. Support for SPI flash pinmuxing will be done
in another commit.

Change-Id: I1895612ce25749ad10171eb74b2ae993fb553d7a
Signed-off-by: Mohsan Habibi <mohsan@motorola.com>

1 files changed, 0 insertions, 47 deletions

diff --git a/drivers/misc/c55_ctrl.c b/drivers/misc/c55_ctrl.c
index b428433ea97..3c126eabebd 100644
--- a/drivers/misc/c55_ctrl.c
+++ b/drivers/misc/c55_ctrl.c
@@ -35,17 +35,10 @@ struct c55_ctrl_data {
 	struct wake_lock wake_lock;
 	struct regulator *reg_vddc;
 	struct regulator *reg_vddldo;
-	struct pinctrl *pctrl;
-	struct pinctrl_state *states[C55_MODE_MAX];
 	int c55_mode;
 	struct mutex ctrl_mutex;	/* mutex to handle critical area */
 };
 
-const char *c55_pin_state_labels[C55_MODE_MAX] = {
-	"off",
-	"on"
-};
-
 #define NUM_GPIOS 3
 
 const char *gpio_labels[NUM_GPIOS] = {
@@ -153,7 +146,6 @@ static ssize_t c55_ctrl_enable(struct device *dev,
 	mutex_lock(&cdata->ctrl_mutex);
 
 	if (mode == C55_ON) {
-		pinctrl_select_state(cdata->pctrl, cdata->states[mode]);
 		if (cdata->reg_vddc && regulator_enable(cdata->reg_vddc))
 			dev_err(dev, "regulator_enable failed for vddc\n");
 		if (cdata->reg_vddldo && regulator_enable(cdata->reg_vddldo))
@@ -163,7 +155,6 @@ static ssize_t c55_ctrl_enable(struct device *dev,
 			regulator_disable(cdata->reg_vddldo);
 		if (cdata->reg_vddc)
 			regulator_disable(cdata->reg_vddc);
-		pinctrl_select_state(cdata->pctrl, cdata->states[mode]);
 	}
 
 	cdata->c55_mode = mode;
@@ -177,37 +168,6 @@ static ssize_t c55_ctrl_enable(struct device *dev,
 
 static DEVICE_ATTR(enable, S_IWUSR, NULL, c55_ctrl_enable);
 
-static int c55_ctrl_pin_setup(struct device *dev, struct c55_ctrl_data *cdata)
-{
-	int i, ret = 0;
-
-	cdata->pctrl = devm_pinctrl_get(dev);
-	if (IS_ERR(cdata->pctrl)) {
-		ret = PTR_ERR(cdata->pctrl);
-		dev_dbg(dev, "no pinctrl handle\n");
-	}
-
-	for (i = 0; !ret && (i < C55_MODE_MAX); i++) {
-		cdata->states[i] = pinctrl_lookup_state(cdata->pctrl,
-					c55_pin_state_labels[i]);
-		if (IS_ERR(cdata->states[i])) {
-			ret = PTR_ERR(cdata->states[i]);
-			dev_dbg(dev, "no %s pinctrl state\n",
-				c55_pin_state_labels[i]);
-		}
-	}
-
-	if (!ret) {
-		ret = pinctrl_select_state(cdata->pctrl,
-					cdata->states[C55_OFF]);
-		if (ret)
-			dev_dbg(dev, "failed to activate %s pinctrl state\n",
-				c55_pin_state_labels[C55_OFF]);
-	}
-
-	return ret;
-}
-
 static int  c55_ctrl_probe(struct platform_device *pdev)
 {
 	struct c55_ctrl_data *cdata;
@@ -226,13 +186,6 @@ static int  c55_ctrl_probe(struct platform_device *pdev)
 
 	mutex_init(&cdata->ctrl_mutex);
 
-	ret = c55_ctrl_pin_setup(&pdev->dev, cdata);
-	if (ret) {
-		dev_err(&pdev->dev, "%s: c55_ctrl_pin_setup failed.\n",
-			__func__);
-		return ret;
-	}
-
 	cdata->int_gpio = -1;
 	ret = c55_ctrl_gpio_setup(cdata, &pdev->dev);