ODROID-XU4: add odroid32 spi lcd driver.(CS-GPIO Error fix)

Change-Id: I697ab4aa709637bb2bbccab5768798db639292c9

drivers/spi/spidev.c

@@ -812,6 +812,10 @@ static int spidev_remove(struct spi_device *spi)
 	/* make sure ops on existing fds can abort cleanly */
 	spin_lock_irq(&spidev->spi_lock);
 	spidev->spi = NULL;
+
+	if(spi->master->cleanup)
+		spi->master->cleanup(spi);
+
 	spin_unlock_irq(&spidev->spi_lock);
 
 	/* prevent new opens */

drivers/staging/fbtft/fbtft_device.c

@@ -867,6 +867,25 @@ static struct fbtft_device_display displays[] = {
 				},
 			}
 		}
+	}, {
+		.name = "odroid32",
+		.spi = &(struct spi_board_info) {
+			.modalias = "fb_ili9340",
+			.max_speed_hz = 32000000,
+			.mode = SPI_MODE_0,
+			.controller_data = &hktft9340_controller_data,
+			.platform_data = &(struct fbtft_platform_data) {
+				.display = {
+					.buswidth = 8,
+				},
+				.bgr = true,
+				.gpios = (const struct fbtft_gpio []) {
+					{ "reset", 21 },
+					{ "dc", 22 },
+					{},
+				},
+			}
+		}
 	}, {
 		.name = "piscreen",
 		.spi = &(struct spi_board_info) {
@@ -1606,6 +1625,11 @@ static int __init fbtft_device_init(void)
 static void __exit fbtft_device_exit(void)
 {
 	if (spi_device) {
+		if (spi_device->controller_data) {
+			struct s3c64xx_spi_csinfo *cs = spi_device->controller_data;
+			if (cs->line)
+				gpio_free(cs->line);
+		}
 		device_del(&spi_device->dev);
 		kfree(spi_device);
 	}