summaryrefslogtreecommitdiffstats
path: root/kernel/power
diff options
context:
space:
mode:
Diffstat (limited to 'kernel/power')
-rw-r--r--kernel/power/process.c2
-rw-r--r--kernel/power/snapshot.c2
-rw-r--r--kernel/power/suspend.c29
-rw-r--r--kernel/power/swap.c14
4 files changed, 13 insertions, 34 deletions
diff --git a/kernel/power/process.c b/kernel/power/process.c
index 78672d324a6e..c7209f060eeb 100644
--- a/kernel/power/process.c
+++ b/kernel/power/process.c
@@ -132,7 +132,7 @@ int freeze_processes(void)
if (!pm_freezing)
atomic_inc(&system_freezing_cnt);
- pm_wakeup_clear(true);
+ pm_wakeup_clear();
pr_info("Freezing user space processes ... ");
pm_freezing = true;
error = try_to_freeze_tasks(true);
diff --git a/kernel/power/snapshot.c b/kernel/power/snapshot.c
index 3b1e0f3ad07f..fa46606f3356 100644
--- a/kernel/power/snapshot.c
+++ b/kernel/power/snapshot.c
@@ -1425,7 +1425,7 @@ static unsigned int nr_meta_pages;
* Numbers of normal and highmem page frames allocated for hibernation image
* before suspending devices.
*/
-unsigned int alloc_normal, alloc_highmem;
+static unsigned int alloc_normal, alloc_highmem;
/*
* Memory bitmap used for marking saveable pages (during hibernation) or
* hibernation image pages (during restore)
diff --git a/kernel/power/suspend.c b/kernel/power/suspend.c
index c0248c74d6d4..15e6baef5c73 100644
--- a/kernel/power/suspend.c
+++ b/kernel/power/suspend.c
@@ -72,8 +72,6 @@ static void freeze_begin(void)
static void freeze_enter(void)
{
- trace_suspend_resume(TPS("machine_suspend"), PM_SUSPEND_FREEZE, true);
-
spin_lock_irq(&suspend_freeze_lock);
if (pm_wakeup_pending())
goto out;
@@ -100,27 +98,6 @@ static void freeze_enter(void)
out:
suspend_freeze_state = FREEZE_STATE_NONE;
spin_unlock_irq(&suspend_freeze_lock);
-
- trace_suspend_resume(TPS("machine_suspend"), PM_SUSPEND_FREEZE, false);
-}
-
-static void s2idle_loop(void)
-{
- do {
- freeze_enter();
-
- if (freeze_ops && freeze_ops->wake)
- freeze_ops->wake();
-
- dpm_resume_noirq(PMSG_RESUME);
- if (freeze_ops && freeze_ops->sync)
- freeze_ops->sync();
-
- if (pm_wakeup_pending())
- break;
-
- pm_wakeup_clear(false);
- } while (!dpm_suspend_noirq(PMSG_SUSPEND));
}
void freeze_wake(void)
@@ -394,8 +371,10 @@ static int suspend_enter(suspend_state_t state, bool *wakeup)
* all the devices are suspended.
*/
if (state == PM_SUSPEND_FREEZE) {
- s2idle_loop();
- goto Platform_early_resume;
+ trace_suspend_resume(TPS("machine_suspend"), state, true);
+ freeze_enter();
+ trace_suspend_resume(TPS("machine_suspend"), state, false);
+ goto Platform_wake;
}
error = disable_nonboot_cpus();
diff --git a/kernel/power/swap.c b/kernel/power/swap.c
index f80fd33639e0..57d22571f306 100644
--- a/kernel/power/swap.c
+++ b/kernel/power/swap.c
@@ -225,14 +225,14 @@ static struct block_device *hib_resume_bdev;
struct hib_bio_batch {
atomic_t count;
wait_queue_head_t wait;
- int error;
+ blk_status_t error;
};
static void hib_init_batch(struct hib_bio_batch *hb)
{
atomic_set(&hb->count, 0);
init_waitqueue_head(&hb->wait);
- hb->error = 0;
+ hb->error = BLK_STS_OK;
}
static void hib_end_io(struct bio *bio)
@@ -240,7 +240,7 @@ static void hib_end_io(struct bio *bio)
struct hib_bio_batch *hb = bio->bi_private;
struct page *page = bio->bi_io_vec[0].bv_page;
- if (bio->bi_error) {
+ if (bio->bi_status) {
printk(KERN_ALERT "Read-error on swap-device (%u:%u:%Lu)\n",
imajor(bio->bi_bdev->bd_inode),
iminor(bio->bi_bdev->bd_inode),
@@ -253,8 +253,8 @@ static void hib_end_io(struct bio *bio)
flush_icache_range((unsigned long)page_address(page),
(unsigned long)page_address(page) + PAGE_SIZE);
- if (bio->bi_error && !hb->error)
- hb->error = bio->bi_error;
+ if (bio->bi_status && !hb->error)
+ hb->error = bio->bi_status;
if (atomic_dec_and_test(&hb->count))
wake_up(&hb->wait);
@@ -293,10 +293,10 @@ static int hib_submit_io(int op, int op_flags, pgoff_t page_off, void *addr,
return error;
}
-static int hib_wait_io(struct hib_bio_batch *hb)
+static blk_status_t hib_wait_io(struct hib_bio_batch *hb)
{
wait_event(hb->wait, atomic_read(&hb->count) == 0);
- return hb->error;
+ return blk_status_to_errno(hb->error);
}
/*
OpenPOWER on IntegriCloud