match_string() returns the index of an array for a matching string,
which can be used intead of open coded variant.
Cc: linux-usb@xxxxxxxxxxxxxxx
Cc: Felipe Balbi <balbi@xxxxxxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Yisheng Xie <xieyisheng1@xxxxxxxxxx>
---
drivers/usb/phy/of.c | 12 +++++-------
1 file changed, 5 insertions(+), 7 deletions(-)
diff --git a/drivers/usb/phy/of.c b/drivers/usb/phy/of.c
index 1ab134f..5777c9f 100644
--- a/drivers/usb/phy/of.c
+++ b/drivers/usb/phy/of.c
@@ -28,16 +28,14 @@
enum usb_phy_interface of_usb_get_phy_mode(struct device_node *np)
{
const char *phy_type;
- int err, i;
+ int ret;
- err = of_property_read_string(np, "phy_type", &phy_type);
- if (err < 0)
+ ret = of_property_read_string(np, "phy_type", &phy_type);
+ if (ret < 0)
return USBPHY_INTERFACE_MODE_UNKNOWN;
- for (i = 0; i < ARRAY_SIZE(usbphy_modes); i++)
- if (!strcmp(phy_type, usbphy_modes[i]))
- return i;
+ ret = match_string(usbphy_modes, ARRAY_SIZE(usbphy_modes), phy_type);
- return USBPHY_INTERFACE_MODE_UNKNOWN;
+ return (ret < 0) ? USBPHY_INTERFACE_MODE_UNKNOWN : ret;
}
EXPORT_SYMBOL_GPL(of_usb_get_phy_mode);
--
1.7.12.4
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