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.hun...@intel.com>
Cc: Hu Ziji <huz...@marvell.com>
Cc: Ulf Hansson <ulf.hans...@linaro.org>
Cc: linux-...@vger.kernel.org
Signed-off-by: Yisheng Xie <xieyishe...@huawei.com>
---
 drivers/mmc/host/sdhci-xenon-phy.c | 11 +++--------
 1 file changed, 3 insertions(+), 8 deletions(-)

diff --git a/drivers/mmc/host/sdhci-xenon-phy.c 
b/drivers/mmc/host/sdhci-xenon-phy.c
index ec87943..a35804b 100644
--- 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);
-- 
1.7.12.4

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