pinctrl: artpec6: Drop unused function and rename

The pincontrol callbacks used to be symmetric:
enable/disable.

However for a while we only have one function that
set the muxing, no disabling.

Drop the unused disable function, and rename the
*enable() function to *set().
Reported-by: Nathan Chancellor <natechancellor@gmail.com>
Cc: YueHaibing <yuehaibing@huawei.com>
Reviewed-by: Nathan Chancellor <natechancellor@gmail.com>
Acked-by: Jesper Nilsson <jesper.nilsson@axis.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

drivers/pinctrl/pinctrl-artpec6.c

@@ -688,7 +688,7 @@ static void artpec6_pmx_select_func(struct pinctrl_dev *pctldev,
 	}
 }
 
-static int artpec6_pmx_enable(struct pinctrl_dev *pctldev,
+static int artpec6_pmx_set(struct pinctrl_dev *pctldev,
 			   unsigned int function,
 			   unsigned int group)
 {
@@ -703,19 +703,6 @@ static int artpec6_pmx_enable(struct pinctrl_dev *pctldev,
 	return 0;
 }
 
-static void artpec6_pmx_disable(struct pinctrl_dev *pctldev,
-				unsigned int function,
-				unsigned int group)
-{
-	struct artpec6_pmx *pmx = pinctrl_dev_get_drvdata(pctldev);
-
-	dev_dbg(pmx->dev, "disabling %s function for pin group %s\n",
-		artpec6_pmx_get_fname(pctldev, function),
-		artpec6_get_group_name(pctldev, group));
-
-	artpec6_pmx_select_func(pctldev, function, group, false);
-}
-
 static int artpec6_pmx_request_gpio(struct pinctrl_dev *pctldev,
 				    struct pinctrl_gpio_range *range,
 				    unsigned int pin)
@@ -739,7 +726,7 @@ static const struct pinmux_ops artpec6_pmx_ops = {
 	.get_functions_count	= artpec6_pmx_get_functions_count,
 	.get_function_name	= artpec6_pmx_get_fname,
 	.get_function_groups	= artpec6_pmx_get_fgroups,
-	.set_mux		= artpec6_pmx_enable,
+	.set_mux		= artpec6_pmx_set,
 	.gpio_request_enable = artpec6_pmx_request_gpio,
 };