pinctrl: clean up after enable refactoring

commit 2243a87d90b42eb38bc281957df3e57c712b5e56
"pinctrl: avoid duplicated calling enable_pinmux_setting for a pin"
removed the .disable callback from the struct pinmux_ops,
making the .enable() callback the only remaining callback.

However .enable() is a bad name as it seems to imply that a
muxing can also be disabled. Rename the callback to .set_mux()
and also take this opportunity to clean out any remaining
mentions of .disable() from the documentation.

Acked-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Bjorn Andersson <bjorn.andersson@sonymobile.com>
Acked-by: Fan Wu <fwu@marvell.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
diff --git a/drivers/pinctrl/sunxi/pinctrl-sunxi.c b/drivers/pinctrl/sunxi/pinctrl-sunxi.c
index 3df66e3..ef9d804 100644
--- a/drivers/pinctrl/sunxi/pinctrl-sunxi.c
+++ b/drivers/pinctrl/sunxi/pinctrl-sunxi.c
@@ -393,9 +393,9 @@
 	spin_unlock_irqrestore(&pctl->lock, flags);
 }
 
-static int sunxi_pmx_enable(struct pinctrl_dev *pctldev,
-			    unsigned function,
-			    unsigned group)
+static int sunxi_pmx_set_mux(struct pinctrl_dev *pctldev,
+			     unsigned function,
+			     unsigned group)
 {
 	struct sunxi_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev);
 	struct sunxi_pinctrl_group *g = pctl->groups + group;
@@ -441,7 +441,7 @@
 	.get_functions_count	= sunxi_pmx_get_funcs_cnt,
 	.get_function_name	= sunxi_pmx_get_func_name,
 	.get_function_groups	= sunxi_pmx_get_func_groups,
-	.enable			= sunxi_pmx_enable,
+	.set_mux		= sunxi_pmx_set_mux,
 	.gpio_set_direction	= sunxi_pmx_gpio_set_direction,
 };