linux-kernel - [PATCH 2/5] mmc: sdhci-tegra: Use of_device_get_match

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Date:   Wed,  2 Feb 2022 19:06:45 +0100
From:   Bean Huo <huobean@...il.com>
To:     ulf.hansson@...aro.org, eugen.hristev@...rochip.com,
        adrian.hunter@...el.com, nicolas.ferre@...rochip.com,
        linux-mmc@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     beanhuo@...ron.com
Subject: [PATCH 2/5] mmc: sdhci-tegra: Use of_device_get_match_data() helper

From: Bean Huo <beanhuo@...ron.com>

Only the device data is needed,not the whole struct of_device_id.
Use of_device_get_match_data() instead of open coding of of_match_device().

Signed-off-by: Bean Huo <beanhuo@...ron.com>
---
 drivers/mmc/host/sdhci-tegra.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/mmc/host/sdhci-tegra.c b/drivers/mmc/host/sdhci-tegra.c
index 35ebba067e87..0c9f778ea860 100644
--- a/drivers/mmc/host/sdhci-tegra.c
+++ b/drivers/mmc/host/sdhci-tegra.c
@@ -1618,7 +1618,6 @@ static int sdhci_tegra_add_host(struct sdhci_host *host)
 
 static int sdhci_tegra_probe(struct platform_device *pdev)
 {
-	const struct of_device_id *match;
 	const struct sdhci_tegra_soc_data *soc_data;
 	struct sdhci_host *host;
 	struct sdhci_pltfm_host *pltfm_host;
@@ -1626,10 +1625,9 @@ static int sdhci_tegra_probe(struct platform_device *pdev)
 	struct clk *clk;
 	int rc;
 
-	match = of_match_device(sdhci_tegra_dt_match, &pdev->dev);
-	if (!match)
+	soc_data = of_device_get_match_data(&pdev->dev);
+	if (!soc_data)
 		return -EINVAL;
-	soc_data = match->data;
 
 	host = sdhci_pltfm_init(pdev, soc_data->pdata, sizeof(*tegra_host));
 	if (IS_ERR(host))
-- 
2.25.1