[PATCH] spi: Use of_device_get_match_data()

From: cgel . zte
Date: Thu Mar 03 2022 - 04:21:47 EST


From: Minghao Chi (CGEL ZTE) <chi.minghao@xxxxxxxxxx>

Use of_device_get_match_data() to simplify the code.

Reported-by: Zeal Robot <zealci@xxxxxxxxxx>
Signed-off-by: Minghao Chi (CGEL ZTE) <chi.minghao@xxxxxxxxxx>
---
drivers/spi/spi-npcm-fiu.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/spi/spi-npcm-fiu.c b/drivers/spi/spi-npcm-fiu.c
index b62471ab6d7f..71ed75bf0a20 100644
--- 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);
--
2.25.1