mmc: sh_mobile_sdhi: Remove .get_cd() callback from platform data

All platforms pass the CD GPIO number to the driver in the .cd_gpio
field. The .get_cd() callback isn't used anymore, remove it.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Chris Ball <cjb@laptop.org>

drivers/mmc/host/sh_mobile_sdhi.c

@@ -77,13 +77,6 @@ static void sh_mobile_sdhi_set_pwr(struct platform_device *pdev, int state)
 	p->set_pwr(pdev, state);
 }
 
-static int sh_mobile_sdhi_get_cd(struct platform_device *pdev)
-{
-	struct sh_mobile_sdhi_info *p = pdev->dev.platform_data;
-
-	return p->get_cd(pdev);
-}
-
 static int sh_mobile_sdhi_wait_idle(struct tmio_mmc_host *host)
 {
 	int timeout = 1000;
@@ -182,8 +175,6 @@ static int sh_mobile_sdhi_probe(struct platform_device *pdev)
 		mmc_data->cd_gpio = p->cd_gpio;
 		if (p->set_pwr)
 			mmc_data->set_pwr = sh_mobile_sdhi_set_pwr;
-		if (p->get_cd)
-			mmc_data->get_cd = sh_mobile_sdhi_get_cd;
 
 		if (p->dma_slave_tx > 0 && p->dma_slave_rx > 0) {
 			/*

include/linux/mmc/sh_mobile_sdhi.h

@@ -26,7 +26,6 @@ struct sh_mobile_sdhi_info {
 	u32 tmio_ocr_mask;	/* available MMC voltages */
 	unsigned int cd_gpio;
 	void (*set_pwr)(struct platform_device *pdev, int state);
-	int (*get_cd)(struct platform_device *pdev);
 
 	/* callbacks for board specific setup code */
 	int (*init)(struct platform_device *pdev,