Populate the standard PM call-backs for; suspend, resume and restore. Signed-off-by: Lee Jones <lee.jo...@linaro.org> --- drivers/mtd/nand/stm_nand_bch.c | 39 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+)
diff --git a/drivers/mtd/nand/stm_nand_bch.c b/drivers/mtd/nand/stm_nand_bch.c index 0c6aad2..8a63c4a 100644 --- a/drivers/mtd/nand/stm_nand_bch.c +++ b/drivers/mtd/nand/stm_nand_bch.c @@ -568,12 +568,51 @@ static int stm_nand_bch_remove(struct platform_device *pdev) return 0; } +#ifdef CONFIG_PM +static int stm_nand_bch_suspend(struct device *dev) +{ + struct nandi_controller *nandi = dev_get_drvdata(dev); + + nandi_clk_disable(nandi); + + return 0; +} +static int stm_nand_bch_resume(struct device *dev) +{ + struct nandi_controller *nandi = dev_get_drvdata(dev); + + nandi_clk_enable(nandi); + + return 0; +} + +static int stm_nand_bch_restore(struct device *dev) +{ + struct nandi_controller *nandi = dev_get_drvdata(dev); + struct stm_plat_nand_bch_data *pdata = dev->platform_data; + struct stm_nand_bank_data *bank = pdata->bank; + + nandi_init_controller(nandi, bank->csn); + + return 0; +} + +static const struct dev_pm_ops stm_nand_bch_pm_ops = { + .suspend = stm_nand_bch_suspend, + .resume = stm_nand_bch_resume, + .restore = stm_nand_bch_restore, +}; +#else +static const struct dev_pm_ops stm_nand_bch_pm_ops; +#endif + static struct platform_driver stm_nand_bch_driver = { .probe = stm_nand_bch_probe , .remove = stm_nand_bch_remove, .driver = { .name = "stm-nand-bch", .owner = THIS_MODULE, + .pm = &stm_nand_bch_pm_ops, }, }; module_platform_driver(stm_nand_bch_driver); -- 1.8.3.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/