phy: tegra: Convert to use match_string() helper

The new helper returns index of the matching string in an array.
We are going to use it here.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>

diff --git a/drivers/phy/tegra/xusb.c b/drivers/phy/tegra/xusb.c
index 11aa5902a9ac1e39a3bb3a4e3b085dbf7a783d19..de1b4ebe4de28356053b915458d756ccc87f6102 100644 (file)
--- a/drivers/phy/tegra/xusb.c
+++ b/drivers/phy/tegra/xusb.c
@@ -102,19 +102,6 @@ tegra_xusb_pad_find_phy_node(struct tegra_xusb_pad *pad, unsigned int index)
        return np;
 }
 
-static int
-tegra_xusb_lane_lookup_function(struct tegra_xusb_lane *lane,
-                                   const char *function)
-{
-       unsigned int i;
-
-       for (i = 0; i < lane->soc->num_funcs; i++)
-               if (strcmp(function, lane->soc->funcs[i]) == 0)
-                       return i;
-
-       return -EINVAL;
-}
-
 int tegra_xusb_lane_parse_dt(struct tegra_xusb_lane *lane,
                             struct device_node *np)
 {
@@ -126,7 +113,7 @@ int tegra_xusb_lane_parse_dt(struct tegra_xusb_lane *lane,
        if (err < 0)
                return err;
 
-       err = tegra_xusb_lane_lookup_function(lane, function);
+       err = match_string(lane->soc->funcs, lane->soc->num_funcs, function);
        if (err < 0) {
                dev_err(dev, "invalid function \"%s\" for lane \"%s\"\n",
                        function, np->name);