mtd: fsmc_nand: add pm callbacks to support hibernation
Signed-off-by: Shiraz Hashim <shiraz.hashim@st.com> Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
This commit is contained in:
parent
467e6e7be2
commit
f63acb75c5
|
@ -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 = {
|
||||
|
|
Loading…
Reference in New Issue