[PATCH v2 1/3] mmc: sdhci-s3c: simplify getting of_device_id match data

From: Krzysztof Kozlowski
Date: Thu Apr 15 2021 - 04:44:20 EST


Use of_device_get_match_data() to make the code slightly smaller and to
remove the of_device_id table forward declaration.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxxxxx>

---

Changes since v1:
1. Rewrite the commit msg as it is not a NULL pointer dereference.
---
drivers/mmc/host/sdhci-s3c.c | 12 +++---------
1 file changed, 3 insertions(+), 9 deletions(-)

diff --git a/drivers/mmc/host/sdhci-s3c.c b/drivers/mmc/host/sdhci-s3c.c
index f48a788a9d3d..8e1dca625620 100644
--- a/drivers/mmc/host/sdhci-s3c.c
+++ b/drivers/mmc/host/sdhci-s3c.c
@@ -20,6 +20,7 @@
#include <linux/gpio.h>
#include <linux/module.h>
#include <linux/of.h>
+#include <linux/of_device.h>
#include <linux/of_gpio.h>
#include <linux/pm.h>
#include <linux/pm_runtime.h>
@@ -461,19 +462,12 @@ static int sdhci_s3c_parse_dt(struct device *dev,
}
#endif

-#ifdef CONFIG_OF
-static const struct of_device_id sdhci_s3c_dt_match[];
-#endif
-
static inline struct sdhci_s3c_drv_data *sdhci_s3c_get_driver_data(
struct platform_device *pdev)
{
#ifdef CONFIG_OF
- if (pdev->dev.of_node) {
- const struct of_device_id *match;
- match = of_match_node(sdhci_s3c_dt_match, pdev->dev.of_node);
- return (struct sdhci_s3c_drv_data *)match->data;
- }
+ if (pdev->dev.of_node)
+ return (struct sdhci_s3c_drv_data *)of_device_get_match_data(&pdev->dev);
#endif
return (struct sdhci_s3c_drv_data *)
platform_get_device_id(pdev)->driver_data;
--
2.25.1