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| author | Stephen Rothwell <sfr@canb.auug.org.au> | 2011-07-25 13:59:46 -0400 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2011-07-25 14:53:52 -0400 |
| commit | 5f00bcb38ef9a980a33c6dbdc0044964b05f22dd (patch) | |
| tree | 3175fb9375aecb50bde1be0bf4fa8aa8155131d6 /drivers/mmc/host/atmel-mci.c | |
| parent | 34006cee28f7344f9557a4be3816c7891b1bbab1 (diff) | |
| parent | b6844e8f64920cdee620157252169ba63afb0c89 (diff) | |
Merge branch 'master' into devel and apply fixup from Stephen Rothwell:
vfs/nfs: fixup for nfs_open_context change
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'drivers/mmc/host/atmel-mci.c')
| -rw-r--r-- | drivers/mmc/host/atmel-mci.c | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/drivers/mmc/host/atmel-mci.c b/drivers/mmc/host/atmel-mci.c index aa8039f473c..fa8cae1d700 100644 --- a/drivers/mmc/host/atmel-mci.c +++ b/drivers/mmc/host/atmel-mci.c @@ -203,6 +203,7 @@ struct atmel_mci_slot { #define ATMCI_CARD_PRESENT 0 #define ATMCI_CARD_NEED_INIT 1 #define ATMCI_SHUTDOWN 2 +#define ATMCI_SUSPENDED 3 int detect_pin; int wp_pin; @@ -1878,10 +1879,72 @@ static int __exit atmci_remove(struct platform_device *pdev) return 0; } +#ifdef CONFIG_PM +static int atmci_suspend(struct device *dev) +{ + struct atmel_mci *host = dev_get_drvdata(dev); + int i; + + for (i = 0; i < ATMEL_MCI_MAX_NR_SLOTS; i++) { + struct atmel_mci_slot *slot = host->slot[i]; + int ret; + + if (!slot) + continue; + ret = mmc_suspend_host(slot->mmc); + if (ret < 0) { + while (--i >= 0) { + slot = host->slot[i]; + if (slot + && test_bit(ATMCI_SUSPENDED, &slot->flags)) { + mmc_resume_host(host->slot[i]->mmc); + clear_bit(ATMCI_SUSPENDED, &slot->flags); + } + } + return ret; + } else { + set_bit(ATMCI_SUSPENDED, &slot->flags); + } + } + + return 0; +} + +static int atmci_resume(struct device *dev) +{ + struct atmel_mci *host = dev_get_drvdata(dev); + int i; + int ret = 0; + + for (i = 0; i < ATMEL_MCI_MAX_NR_SLOTS; i++) { + struct atmel_mci_slot *slot = host->slot[i]; + int err; + + slot = host->slot[i]; + if (!slot) + continue; + if (!test_bit(ATMCI_SUSPENDED, &slot->flags)) + continue; + err = mmc_resume_host(slot->mmc); + if (err < 0) + ret = err; + else + clear_bit(ATMCI_SUSPENDED, &slot->flags); + } + + return ret; +} +static SIMPLE_DEV_PM_OPS(atmci_pm, atmci_suspend, atmci_resume); +#define ATMCI_PM_OPS (&atmci_pm) +#else +#define ATMCI_PM_OPS NULL +#endif + static struct platform_driver atmci_driver = { .remove = __exit_p(atmci_remove), .driver = { .name = "atmel_mci", + .pm = ATMCI_PM_OPS, }, }; |