linux-kernel - [PATCH 16/33] mmc: sdhci-xenon: use match

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Date:   Mon, 21 May 2018 19:57:53 +0800
From:   Yisheng Xie <xieyisheng1@...wei.com>
To:     <linux-kernel@...r.kernel.org>
CC:     Yisheng Xie <xieyisheng1@...wei.com>,
        Adrian Hunter <adrian.hunter@...el.com>,
        Hu Ziji <huziji@...vell.com>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        <linux-mmc@...r.kernel.org>
Subject: [PATCH 16/33] 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@...el.com>
Cc: Hu Ziji <huziji@...vell.com>
Cc: Ulf Hansson <ulf.hansson@...aro.org>
Cc: linux-mmc@...r.kernel.org
Signed-off-by: Yisheng Xie <xieyisheng1@...wei.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