mmc: sdhci-xenon: use match_string() helper

match_string() returns the index of an array for a matching string,
which can be used intead of open coded variant.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Hu Ziji <huziji@marvell.com>
Cc: Ulf Hansson <ulf.hansson@linaro.org>
Cc: linux-mmc@vger.kernel.org
Signed-off-by: Yisheng Xie <xieyisheng1@huawei.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

diff --git a/drivers/mmc/host/sdhci-xenon-phy.c b/drivers/mmc/host/sdhci-xenon-phy.c
index ec87943..a35804b 100644 (file)
--- a/drivers/mmc/host/sdhci-xenon-phy.c
+++ b/drivers/mmc/host/sdhci-xenon-phy.c
@@ -814,15 +814,10 @@ static int xenon_add_phy(struct device_node *np, struct sdhci_host *host,
 {
        struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
        struct xenon_priv *priv = sdhci_pltfm_priv(pltfm_host);
-       int i, ret;
+       int ret;
 
-       for (i = 0; i < NR_PHY_TYPES; i++) {
-               if (!strcmp(phy_name, phy_types[i])) {
-                       priv->phy_type = i;
-                       break;
-               }
-       }
-       if (i == NR_PHY_TYPES) {
+       priv->phy_type = match_string(phy_types, NR_PHY_TYPES, phy_name);
+       if (priv->phy_type < 0) {
                dev_err(mmc_dev(host->mmc),
                        "Unable to determine PHY name %s. Use default eMMC 5.1 PHY\n",
                        phy_name);