diff options
| author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2024-09-03 21:31:36 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-09-11 15:34:34 +0200 |
| commit | 64fa3bc36d3cf6b58f9981d9c5d353777de7952e (patch) | |
| tree | 8104df324c1a136710c537204a13f2528e257634 /drivers | |
| parent | 625fa77151f00c1bd00d34d60d6f2e710b3f9aad (diff) | |
usb: common: Switch to device_property_match_property_string()
Replace open coded device_property_match_property_string().
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240903183136.3641770-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/usb/common/common.c | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/drivers/usb/common/common.c b/drivers/usb/common/common.c index 84ec00b7966c..b7bea1015d7c 100644 --- a/drivers/usb/common/common.c +++ b/drivers/usb/common/common.c @@ -107,19 +107,18 @@ EXPORT_SYMBOL_GPL(usb_speed_string); */ enum usb_device_speed usb_get_maximum_speed(struct device *dev) { - const char *maximum_speed; + const char *p = "maximum-speed"; int ret; - ret = device_property_read_string(dev, "maximum-speed", &maximum_speed); - if (ret < 0) - return USB_SPEED_UNKNOWN; - - ret = match_string(ssp_rate, ARRAY_SIZE(ssp_rate), maximum_speed); + ret = device_property_match_property_string(dev, p, ssp_rate, ARRAY_SIZE(ssp_rate)); if (ret > 0) return USB_SPEED_SUPER_PLUS; - ret = match_string(speed_names, ARRAY_SIZE(speed_names), maximum_speed); - return (ret < 0) ? USB_SPEED_UNKNOWN : ret; + ret = device_property_match_property_string(dev, p, speed_names, ARRAY_SIZE(speed_names)); + if (ret > 0) + return ret; + + return USB_SPEED_UNKNOWN; } EXPORT_SYMBOL_GPL(usb_get_maximum_speed); |