drm/panel: ili9341: Correct use of device property APIs

It seems driver missed the point of proper use of device property APIs.
Correct this by updating headers and calls respectively.

Fixes: 5a04227 ("drm/panel: Add ilitek ili9341 panel driver")
Signed-off-by: Andy Shevchenko <[email protected]>
Reviewed-by: Dmitry Baryshkov <[email protected]>
Reviewed-by: Neil Armstrong <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Neil Armstrong <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]

Author: andy-shev

drivers/gpu/drm/panel/Kconfig

@@ -177,7 +177,7 @@ config DRM_PANEL_ILITEK_IL9322
 
 config DRM_PANEL_ILITEK_ILI9341
 	tristate "Ilitek ILI9341 240x320 QVGA panels"
-	depends on OF && SPI
+	depends on SPI
 	select DRM_KMS_HELPER
 	select DRM_GEM_DMA_HELPER
 	depends on BACKLIGHT_CLASS_DEVICE

drivers/gpu/drm/panel/panel-ilitek-ili9341.c

@@ -22,8 +22,9 @@
 #include <linux/bitops.h>
 #include <linux/delay.h>
 #include <linux/gpio/consumer.h>
+#include <linux/mod_devicetable.h>
 #include <linux/module.h>
-#include <linux/of.h>
+#include <linux/property.h>
 #include <linux/regulator/consumer.h>
 #include <linux/spi/spi.h>
 
@@ -691,7 +692,7 @@ static int ili9341_dpi_probe(struct spi_device *spi, struct gpio_desc *dc,
 	 * Every new incarnation of this display must have a unique
 	 * data entry for the system in this driver.
 	 */
-	ili->conf = of_device_get_match_data(dev);
+	ili->conf = device_get_match_data(dev);
 	if (!ili->conf) {
 		dev_err(dev, "missing device configuration\n");
 		return -ENODEV;