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[PATCH v1 3/8] pinctrl: convert to use match_string() helper

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  [PATCH v1 3/8] pinctrl: convert to use match_string() helper Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2016-01-07 13:10 +0100
    Re: [PATCH v1 3/8] pinctrl: convert to use match_string() helper Linus Walleij <linus.walleij@linaro.org> - 2016-01-07 16:30 +0100

#1303507 — [PATCH v1 3/8] pinctrl: convert to use match_string() helper

The new helper returns index of the mathing string in an array. We would use it
here.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
 drivers/pinctrl/pinmux.c | 13 +++----------
 1 file changed, 3 insertions(+), 10 deletions(-)

diff --git a/drivers/pinctrl/pinmux.c b/drivers/pinctrl/pinmux.c
index 29984b3..c223a9e 100644
--- a/drivers/pinctrl/pinmux.c
+++ b/drivers/pinctrl/pinmux.c
@@ -334,7 +334,6 @@ int pinmux_map_to_setting(struct pinctrl_map const *map,
 	unsigned num_groups;
 	int ret;
 	const char *group;
-	int i;
 
 	if (!pmxops) {
 		dev_err(pctldev->dev, "does not support mux function\n");
@@ -363,19 +362,13 @@ int pinmux_map_to_setting(struct pinctrl_map const *map,
 		return -EINVAL;
 	}
 	if (map->data.mux.group) {
-		bool found = false;
 		group = map->data.mux.group;
-		for (i = 0; i < num_groups; i++) {
-			if (!strcmp(group, groups[i])) {
-				found = true;
-				break;
-			}
-		}
-		if (!found) {
+		ret = match_string(groups, num_groups, group);
+		if (ret < 0) {
 			dev_err(pctldev->dev,
 				"invalid group \"%s\" for function \"%s\"\n",
 				group, map->data.mux.function);
-			return -EINVAL;
+			return ret;
 		}
 	} else {
 		group = groups[0];
-- 
2.6.4

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#1303659

On Thu, Jan 7, 2016 at 1:06 PM, Andy Shevchenko
<andriy.shevchenko@linux.intel.com> wrote:

> The new helper returns index of the mathing string in an array. We would use it
> here.
>
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>

Pretty cool ...
Acked-by: Linus Walleij <linus.walleij@linaro.org>

Yours,
Linus Walleij
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