linux-kernel - [PATCH 4/5] mmc: sdhci-of-at91: Use of_device_get_match

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Date:   Wed,  2 Feb 2022 19:06:47 +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 4/5] mmc: sdhci-of-at91: Use of_device_get_match_data() helper

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

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

Signed-off-by: Bean Huo <beanhuo@...ron.com>
---
 drivers/mmc/host/sdhci-of-at91.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/mmc/host/sdhci-of-at91.c b/drivers/mmc/host/sdhci-of-at91.c
index d1a1c548c515..10fb4cb2c731 100644
--- a/drivers/mmc/host/sdhci-of-at91.c
+++ b/drivers/mmc/host/sdhci-of-at91.c
@@ -308,17 +308,15 @@ static const struct dev_pm_ops sdhci_at91_dev_pm_ops = {
 
 static int sdhci_at91_probe(struct platform_device *pdev)
 {
-	const struct of_device_id	*match;
 	const struct sdhci_at91_soc_data	*soc_data;
 	struct sdhci_host		*host;
 	struct sdhci_pltfm_host		*pltfm_host;
 	struct sdhci_at91_priv		*priv;
 	int				ret;
 
-	match = of_match_device(sdhci_at91_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(*priv));
 	if (IS_ERR(host))
-- 
2.25.1