mmc: wmt-sdmmc: Use of_device_get_match_data() helper

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@micron.com>
Link: https://lore.kernel.org/r/20220202180648.1252154-2-huobean@gmail.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

diff --git a/drivers/mmc/host/wmt-sdmmc.c b/drivers/mmc/host/wmt-sdmmc.c
index cf10949fb0acc929c5ecbe487c0ac23252ffa6cd..163ac9df8cca0da734bca989d5f2317257bae551 100644 (file)
--- a/drivers/mmc/host/wmt-sdmmc.c
+++ b/drivers/mmc/host/wmt-sdmmc.c
@@ -751,19 +751,16 @@ static int wmt_mci_probe(struct platform_device *pdev)
        struct mmc_host *mmc;
        struct wmt_mci_priv *priv;
        struct device_node *np = pdev->dev.of_node;
-       const struct of_device_id *of_id =
-               of_match_device(wmt_mci_dt_ids, &pdev->dev);
        const struct wmt_mci_caps *wmt_caps;
        int ret;
        int regular_irq, dma_irq;
 
-       if (!of_id || !of_id->data) {
+       wmt_caps = of_device_get_match_data(&pdev->dev);
+       if (!wmt_caps) {
                dev_err(&pdev->dev, "Controller capabilities data missing\n");
                return -EFAULT;
        }
 
-       wmt_caps = of_id->data;
-
        if (!np) {
                dev_err(&pdev->dev, "Missing SDMMC description in devicetree\n");
                return -EFAULT;