diff mbox series

[2/2] backlight: hx8357: stop using of-specific APIs

Message ID 20230131225707.3599889-2-dmitry.torokhov@gmail.com
State New
Headers show
Series [1/2] backlight: hx8357: switch to using gpiod API | expand

Commit Message

Dmitry Torokhov Jan. 31, 2023, 10:57 p.m. UTC 
There is no need for this driver to be OF-specific, so switch it to
use device_get_match_data() and stop including various of-related
headers.

Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
---
 drivers/video/backlight/hx8357.c | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

Comments

Daniel Thompson Feb. 6, 2023, 11:42 a.m. UTC | #1 
On Tue, Jan 31, 2023 at 02:57:07PM -0800, Dmitry Torokhov wrote:
> There is no need for this driver to be OF-specific, so switch it to
> use device_get_match_data() and stop including various of-related
> headers.
>
> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org>


Daniel.
diff mbox series

Patch

diff --git a/drivers/video/backlight/hx8357.c b/drivers/video/backlight/hx8357.c
index a93e14adb846..2e162a70c1ce 100644
--- a/drivers/video/backlight/hx8357.c
+++ b/drivers/video/backlight/hx8357.c
@@ -10,8 +10,8 @@ 
 #include <linux/gpio/consumer.h>
 #include <linux/lcd.h>
 #include <linux/module.h>
-#include <linux/of.h>
-#include <linux/of_device.h>
+#include <linux/mod_devicetable.h>
+#include <linux/property.h>
 #include <linux/spi/spi.h>
 
 #define HX8357_NUM_IM_PINS	3
@@ -581,11 +581,15 @@  MODULE_DEVICE_TABLE(of, hx8357_dt_ids);
 
 static int hx8357_probe(struct spi_device *spi)
 {
+	int (*lcd_init_fn)(struct lcd_device *);
 	struct lcd_device *lcdev;
 	struct hx8357_data *lcd;
-	const struct of_device_id *match;
 	int i, ret;
 
+	lcd_init_fn = device_get_match_data(&spi->dev);
+	if (!lcd_init_fn)
+		return -EINVAL;
+
 	lcd = devm_kzalloc(&spi->dev, sizeof(*lcd), GFP_KERNEL);
 	if (!lcd)
 		return -ENOMEM;
@@ -598,10 +602,6 @@  static int hx8357_probe(struct spi_device *spi)
 
 	lcd->spi = spi;
 
-	match = of_match_device(hx8357_dt_ids, &spi->dev);
-	if (!match || !match->data)
-		return -EINVAL;
-
 	lcd->reset = devm_gpiod_get(&spi->dev, "reset", GPIOD_OUT_LOW);
 	ret = PTR_ERR_OR_ZERO(lcd->reset);
 	if (ret) {
@@ -647,7 +647,7 @@  static int hx8357_probe(struct spi_device *spi)
 
 	hx8357_lcd_reset(lcdev);
 
-	ret = ((int (*)(struct lcd_device *))match->data)(lcdev);
+	ret = lcd_init_fn(lcdev);
 	if (ret) {
 		dev_err(&spi->dev, "Couldn't initialize panel\n");
 		return ret;