spi: Use of_device_get_match_data()

Use of_device_get_match_data() to simplify the code.

Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: Minghao Chi (CGEL ZTE) <chi.minghao@zte.com.cn>
Link: https://lore.kernel.org/r/20220303092131.2060044-1-chi.minghao@zte.com.cn
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/drivers/spi/spi-npcm-fiu.c b/drivers/spi/spi-npcm-fiu.c
index b62471a..71ed75b 100644 (file)
--- a/drivers/spi/spi-npcm-fiu.c
+++ b/drivers/spi/spi-npcm-fiu.c
@@ -671,7 +671,6 @@ static const struct of_device_id npcm_fiu_dt_ids[] = {
 static int npcm_fiu_probe(struct platform_device *pdev)
 {
        const struct fiu_data *fiu_data_match;
-       const struct of_device_id *match;
        struct device *dev = &pdev->dev;
        struct spi_controller *ctrl;
        struct npcm_fiu_spi *fiu;
@@ -685,13 +684,12 @@ static int npcm_fiu_probe(struct platform_device *pdev)
 
        fiu = spi_controller_get_devdata(ctrl);
 
-       match = of_match_device(npcm_fiu_dt_ids, dev);
-       if (!match || !match->data) {
+       fiu_data_match = of_device_get_match_data(dev);
+       if (!fiu_data_match) {
                dev_err(dev, "No compatible OF match\n");
                return -ENODEV;
        }
 
-       fiu_data_match = match->data;
        id = of_alias_get_id(dev->of_node, "fiu");
        if (id < 0 || id >= fiu_data_match->fiu_max) {
                dev_err(dev, "Invalid platform device id: %d\n", id);