Skip to content

Commit

Permalink
---
Browse files Browse the repository at this point in the history
yaml
---
r: 255209
b: refs/heads/master
c: 5c2f2b9
h: refs/heads/master
i:
  255207: c04f576
v: v3
  • Loading branch information
Nicolas Ferre authored and Chris Ball committed Jul 20, 2011
1 parent 25af999 commit b2aa23c
Show file tree
Hide file tree
Showing 2 changed files with 64 additions and 1 deletion.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 0d013bcf5c272faea1f8e7a5ef3cb2e98103d5cb
refs/heads/master: 5c2f2b9bd0db84eabaf0d2cf7a9392a1581c2545
63 changes: 63 additions & 0 deletions trunk/drivers/mmc/host/atmel-mci.c
Original file line number Diff line number Diff line change
Expand Up @@ -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;
Expand Down Expand Up @@ -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,
},
};

Expand Down

0 comments on commit b2aa23c

Please sign in to comment.