diff options
Diffstat (limited to 'drivers/mtd/maps/physmap.c')
| -rw-r--r-- | drivers/mtd/maps/physmap.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/drivers/mtd/maps/physmap.c b/drivers/mtd/maps/physmap.c index 7799a25a7f2a..bc7cc71788bc 100644 --- a/drivers/mtd/maps/physmap.c +++ b/drivers/mtd/maps/physmap.c @@ -158,9 +158,42 @@ err_out: return err; } +#ifdef CONFIG_PM +static int physmap_flash_suspend(struct platform_device *dev, pm_message_t state) +{ + struct physmap_flash_info *info = platform_get_drvdata(dev); + int ret = 0; + + if (info) + ret = info->mtd->suspend(info->mtd); + + return ret; +} + +static int physmap_flash_resume(struct platform_device *dev) +{ + struct physmap_flash_info *info = platform_get_drvdata(dev); + if (info) + info->mtd->resume(info->mtd); + return 0; +} + +static void physmap_flash_shutdown(struct platform_device *dev) +{ + struct physmap_flash_info *info = platform_get_drvdata(dev); + if (info && info->mtd->suspend(info->mtd) == 0) + info->mtd->resume(info->mtd); +} +#endif + static struct platform_driver physmap_flash_driver = { .probe = physmap_flash_probe, .remove = physmap_flash_remove, +#ifdef CONFIG_PM + .suspend = physmap_flash_suspend, + .resume = physmap_flash_resume, + .shutdown = physmap_flash_shutdown, +#endif .driver = { .name = "physmap-flash", }, |