ODROIDXU3 : SPI CS-GPIO(#190) request error bug fix.

Change-Id: I3729423e41e63ac2b8e6bf89c20b9c514a41260b

arch/arm/configs/odroidxu3_defconfig

@@ -1826,7 +1826,7 @@ CONFIG_SPI_MASTER=y
 # CONFIG_SPI_OC_TINY is not set
 # CONFIG_SPI_PL022 is not set
 # CONFIG_SPI_PXA2XX_PCI is not set
-CONFIG_SPI_S3C64XX=y
+CONFIG_SPI_S3C64XX=m
 # CONFIG_SPI_SC18IS602 is not set
 # CONFIG_SPI_XCOMM is not set
 # CONFIG_SPI_XILINX is not set

drivers/spi/spi-s3c64xx.c

@@ -1537,9 +1537,11 @@ static int s3c64xx_spi_remove(struct platform_device *pdev)
 
 	writel(0, sdd->regs + S3C64XX_SPI_INT_EN);
 
+#ifndef CONFIG_PM_RUNTIME
 	clk_disable_unprepare(sdd->src_clk);
 
 	clk_disable_unprepare(sdd->clk);
+#endif
 
 	platform_set_drvdata(pdev, NULL);
 	spi_master_put(master);

drivers/spi/spidev.c

@@ -631,6 +631,9 @@ static int spidev_remove(struct spi_device *spi)
 
 	/* make sure ops on existing fds can abort cleanly */
 	spin_lock_irq(&spidev->spi_lock);
+
+    spi->master->cleanup(spi);
+
 	spidev->spi = NULL;
 	spi_set_drvdata(spi, NULL);
 	spin_unlock_irq(&spidev->spi_lock);

drivers/video/fbtft/fbtft_device.c

@@ -1475,6 +1475,10 @@ static void __exit fbtft_device_exit(void)
 	pr_debug(DRVNAME" - exit\n");
 
 	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);
 	}