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/pinctrl-tegra.c b/drivers/pinctrl/pinctrl-tegra.c
index 150af55..e5949d5 100644
--- a/drivers/pinctrl/pinctrl-tegra.c
+++ b/drivers/pinctrl/pinctrl-tegra.c
@@ -262,8 +262,9 @@
 	return 0;
 }
 
-static int tegra_pinctrl_enable(struct pinctrl_dev *pctldev, unsigned function,
-			       unsigned group)
+static int tegra_pinctrl_set_mux(struct pinctrl_dev *pctldev,
+				 unsigned function,
+				 unsigned group)
 {
 	struct tegra_pmx *pmx = pinctrl_dev_get_drvdata(pctldev);
 	const struct tegra_pingroup *g;
@@ -294,7 +295,7 @@
 	.get_functions_count = tegra_pinctrl_get_funcs_count,
 	.get_function_name = tegra_pinctrl_get_func_name,
 	.get_function_groups = tegra_pinctrl_get_func_groups,
-	.enable = tegra_pinctrl_enable,
+	.set_mux = tegra_pinctrl_set_mux,
 };
 
 static int tegra_pinconf_reg(struct tegra_pmx *pmx,