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Commit dc2948ca authored by Boris Brezillon's avatar Boris Brezillon Committed by Brian Norris
Browse files

mtd: nand: gpio: use the mtd instance embedded in struct nand_chip 



struct nand_chip now embeds an mtd device. Make use of this mtd instance.

Signed-off-by: default avatarBoris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: default avatarBrian Norris <computersforpeace@gmail.com>
parent bdf3a555

drivers/mtd/nand/gpio.c

+12 −9
Original line number Diff line number Diff line
@@ -35,12 +35,14 @@ 


struct gpiomtd {

	void __iomem		*io_sync;

	struct mtd_info		mtd_info;

	struct nand_chip	nand_chip;

	struct gpio_nand_platdata plat;

};



#define gpio_nand_getpriv(x) container_of(x, struct gpiomtd, mtd_info)

static inline struct gpiomtd *gpio_nand_getpriv(struct mtd_info *mtd)

{

	return container_of(mtd_to_nand(mtd), struct gpiomtd, nand_chip);

}





#ifdef CONFIG_ARM
@@ -195,7 +197,7 @@ static int gpio_nand_remove(struct platform_device *pdev) 
{

	struct gpiomtd *gpiomtd = platform_get_drvdata(pdev);



	nand_release(&gpiomtd->mtd_info);

	nand_release(nand_to_mtd(&gpiomtd->nand_chip));



	if (gpio_is_valid(gpiomtd->plat.gpio_nwp))

		gpio_set_value(gpiomtd->plat.gpio_nwp, 0);
@@ -208,6 +210,7 @@ static int gpio_nand_probe(struct platform_device *pdev) 
{

	struct gpiomtd *gpiomtd;

	struct nand_chip *chip;

	struct mtd_info *mtd;

	struct resource *res;

	int ret = 0;
@@ -274,24 +277,24 @@ static int gpio_nand_probe(struct platform_device *pdev) 
	chip->chip_delay	= gpiomtd->plat.chip_delay;

	chip->cmd_ctrl		= gpio_nand_cmd_ctrl;



	gpiomtd->mtd_info.priv	= chip;

	gpiomtd->mtd_info.dev.parent = &pdev->dev;

	mtd			= nand_to_mtd(chip);

	mtd->priv		= chip;

	mtd->dev.parent		= &pdev->dev;



	platform_set_drvdata(pdev, gpiomtd);



	if (gpio_is_valid(gpiomtd->plat.gpio_nwp))

		gpio_direction_output(gpiomtd->plat.gpio_nwp, 1);



	if (nand_scan(&gpiomtd->mtd_info, 1)) {

	if (nand_scan(mtd, 1)) {

		ret = -ENXIO;

		goto err_wp;

	}



	if (gpiomtd->plat.adjust_parts)

		gpiomtd->plat.adjust_parts(&gpiomtd->plat,

					   gpiomtd->mtd_info.size);

		gpiomtd->plat.adjust_parts(&gpiomtd->plat, mtd->size);



	ret = mtd_device_register(&gpiomtd->mtd_info, gpiomtd->plat.parts,

	ret = mtd_device_register(mtd, gpiomtd->plat.parts,

				  gpiomtd->plat.num_parts);

	if (!ret)

		return 0;