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Commit f63acb75 authored by Shiraz Hashim's avatar Shiraz Hashim Committed by David Woodhouse
Browse files

mtd: fsmc_nand: add pm callbacks to support hibernation 



Signed-off-by: default avatarShiraz Hashim <shiraz.hashim@st.com>
Signed-off-by: default avatarArtem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: default avatarDavid Woodhouse <David.Woodhouse@intel.com>
parent 467e6e7b

drivers/mtd/nand/fsmc_nand.c

+6 −6
Original line number Diff line number Diff line
@@ -382,7 +382,7 @@ static void fsmc_cmd_ctrl(struct mtd_info *mtd, int cmd, unsigned int ctrl) 
 * This routine initializes timing parameters related to NAND memory access in

 * FSMC registers

 */

static void __init fsmc_nand_setup(struct fsmc_regs *regs, uint32_t bank,

static void fsmc_nand_setup(struct fsmc_regs *regs, uint32_t bank,

				   uint32_t busw)

{

	uint32_t value = FSMC_DEVTYPE_NAND | FSMC_ENABLE | FSMC_WAITON;
@@ -976,15 +976,15 @@ static int fsmc_nand_suspend(struct device *dev) 
static int fsmc_nand_resume(struct device *dev)

{

	struct fsmc_nand_data *host = dev_get_drvdata(dev);

	if (host)

	if (host) {

		clk_enable(host->clk);

		fsmc_nand_setup(host->regs_va, host->bank,

				host->nand.options & NAND_BUSWIDTH_16);

	}

	return 0;

}



static const struct dev_pm_ops fsmc_nand_pm_ops = {

	.suspend = fsmc_nand_suspend,

	.resume = fsmc_nand_resume,

};

static SIMPLE_DEV_PM_OPS(fsmc_nand_pm_ops, fsmc_nand_suspend, fsmc_nand_resume);

#endif



static struct platform_driver fsmc_nand_driver = {