linux-kernel - [PATCH 3/6] mmc: sdhci_am654: Fix hard coded otap delay array size

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Date:   Wed, 23 Sep 2020 16:22:03 +0530
From:   Faiz Abbas <faiz_abbas@...com>
To:     <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-mmc@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org>
CC:     <adrian.hunter@...el.com>, <robh+dt@...nel.org>,
        <ulf.hansson@...aro.org>, <kishon@...com>, <faiz_abbas@...com>
Subject: [PATCH 3/6] mmc: sdhci_am654: Fix hard coded otap delay array size

Change hard coded array size value to depend on struct timing_data
array size.

Signed-off-by: Faiz Abbas <faiz_abbas@...com>
---
 drivers/mmc/host/sdhci_am654.c | 42 +++++++++++++++++-----------------
 1 file changed, 21 insertions(+), 21 deletions(-)

diff --git a/drivers/mmc/host/sdhci_am654.c b/drivers/mmc/host/sdhci_am654.c
index a4c6d9d80e88..9f3347bc3757 100644
--- a/drivers/mmc/host/sdhci_am654.c
+++ b/drivers/mmc/host/sdhci_am654.c
@@ -85,10 +85,30 @@ static struct regmap_config sdhci_am654_regmap_config = {
 	.fast_io = true,
 };
 
+struct timing_data {
+	const char *binding;
+	u32 capability;
+};
+
+static const struct timing_data td[] = {
+	[MMC_TIMING_LEGACY] = {"ti,otap-del-sel-legacy", 0},
+	[MMC_TIMING_MMC_HS] = {"ti,otap-del-sel-mmc-hs", MMC_CAP_MMC_HIGHSPEED},
+	[MMC_TIMING_SD_HS]  = {"ti,otap-del-sel-sd-hs", MMC_CAP_SD_HIGHSPEED},
+	[MMC_TIMING_UHS_SDR12] = {"ti,otap-del-sel-sdr12", MMC_CAP_UHS_SDR12},
+	[MMC_TIMING_UHS_SDR25] = {"ti,otap-del-sel-sdr25", MMC_CAP_UHS_SDR25},
+	[MMC_TIMING_UHS_SDR50] = {"ti,otap-del-sel-sdr50", MMC_CAP_UHS_SDR50},
+	[MMC_TIMING_UHS_SDR104] = {"ti,otap-del-sel-sdr104",
+				   MMC_CAP_UHS_SDR104},
+	[MMC_TIMING_UHS_DDR50] = {"ti,otap-del-sel-ddr50", MMC_CAP_UHS_DDR50},
+	[MMC_TIMING_MMC_DDR52] = {"ti,otap-del-sel-ddr52", MMC_CAP_DDR},
+	[MMC_TIMING_MMC_HS200] = {"ti,otap-del-sel-hs200", MMC_CAP2_HS200},
+	[MMC_TIMING_MMC_HS400] = {"ti,otap-del-sel-hs400", MMC_CAP2_HS400},
+};
+
 struct sdhci_am654_data {
 	struct regmap *base;
 	bool legacy_otapdly;
-	int otap_del_sel[11];
+	int otap_del_sel[ARRAY_SIZE(td)];
 	int clkbuf_sel;
 	int trm_icp;
 	int drv_strength;
@@ -107,26 +127,6 @@ struct sdhci_am654_driver_data {
 #define DLL_CALIB	(1 << 4)
 };
 
-struct timing_data {
-	const char *binding;
-	u32 capability;
-};
-
-static const struct timing_data td[] = {
-	[MMC_TIMING_LEGACY] = {"ti,otap-del-sel-legacy", 0},
-	[MMC_TIMING_MMC_HS] = {"ti,otap-del-sel-mmc-hs", MMC_CAP_MMC_HIGHSPEED},
-	[MMC_TIMING_SD_HS]  = {"ti,otap-del-sel-sd-hs", MMC_CAP_SD_HIGHSPEED},
-	[MMC_TIMING_UHS_SDR12] = {"ti,otap-del-sel-sdr12", MMC_CAP_UHS_SDR12},
-	[MMC_TIMING_UHS_SDR25] = {"ti,otap-del-sel-sdr25", MMC_CAP_UHS_SDR25},
-	[MMC_TIMING_UHS_SDR50] = {"ti,otap-del-sel-sdr50", MMC_CAP_UHS_SDR50},
-	[MMC_TIMING_UHS_SDR104] = {"ti,otap-del-sel-sdr104",
-				   MMC_CAP_UHS_SDR104},
-	[MMC_TIMING_UHS_DDR50] = {"ti,otap-del-sel-ddr50", MMC_CAP_UHS_DDR50},
-	[MMC_TIMING_MMC_DDR52] = {"ti,otap-del-sel-ddr52", MMC_CAP_DDR},
-	[MMC_TIMING_MMC_HS200] = {"ti,otap-del-sel-hs200", MMC_CAP2_HS200},
-	[MMC_TIMING_MMC_HS400] = {"ti,otap-del-sel-hs400", MMC_CAP2_HS400},
-};
-
 static void sdhci_am654_setup_dll(struct sdhci_host *host, unsigned int clock)
 {
 	struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
-- 
2.17.1