linux-kernel - [PATCH v1 1/2] mmc: sdhci-omap: Use of_device_get_match

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Message-Id: <20220423221623.1074556-2-huobean@gmail.com>
Date:   Sun, 24 Apr 2022 00:16:22 +0200
From:   Bean Huo <huobean@...il.com>
To:     ulf.hansson@...aro.org, adrian.hunter@...el.com,
        linus.walleij@...aro.org, linux-mmc@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     beanhuo@...ron.com
Subject: [PATCH v1 1/2] mmc: sdhci-omap: 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-omap.c | 9 ++-------
 1 file changed, 2 insertions(+), 7 deletions(-)

diff --git a/drivers/mmc/host/sdhci-omap.c b/drivers/mmc/host/sdhci-omap.c
index 64e27c2821f9..86e867ffbb10 100644
--- a/drivers/mmc/host/sdhci-omap.c
+++ b/drivers/mmc/host/sdhci-omap.c
@@ -1219,16 +1219,11 @@ static int sdhci_omap_probe(struct platform_device *pdev)
 	struct sdhci_pltfm_host *pltfm_host;
 	struct sdhci_omap_host *omap_host;
 	struct mmc_host *mmc;
-	const struct of_device_id *match;
-	struct sdhci_omap_data *data;
+	const struct sdhci_omap_data *data;
 	const struct soc_device_attribute *soc;
 	struct resource *regs;
 
-	match = of_match_device(omap_sdhci_match, dev);
-	if (!match)
-		return -EINVAL;
-
-	data = (struct sdhci_omap_data *)match->data;
+	data = of_device_get_match_data(&pdev->dev);
 	if (!data) {
 		dev_err(dev, "no sdhci omap data\n");
 		return -EINVAL;
-- 
2.34.1