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Code Issues Releases Activity

Grap the ATA lock on all channels before suspend, this makes certain

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that we have no outstanding ops in transit, which would cause problems
on resume.
This commit is contained in:
Søren Schmidt 2003-05-04 09:34:14 +00:00
parent 7ed6898c2f
commit 9c51ecf436
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=114656
3 changed files with 15 additions and 0 deletions
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13
sys/dev/ata/ata-all.c
View File

@ -240,6 +240,19 @@ ata_detach(device_t dev)
return 0;
}
int
ata_suspend(device_t dev)
{
struct ata_channel *ch;
if (!dev || !(ch = device_get_softc(dev)))
return ENXIO;
ch->locking(ch, ATA_LF_LOCK);
ATA_SLEEPLOCK_CH(ch, ATA_CONTROL);
return 0;
}
int
ata_resume(device_t dev)
{

1
sys/dev/ata/ata-all.h
View File

@ -282,6 +282,7 @@ extern struct intr_config_hook *ata_delayed_attach;
int ata_probe(device_t);
int ata_attach(device_t);
int ata_detach(device_t);
int ata_suspend(device_t);
int ata_resume(device_t);
void ata_start(struct ata_channel *);
void ata_reset(struct ata_channel *);

1
sys/dev/ata/ata-pci.c
View File

@ -522,6 +522,7 @@ static device_method_t ata_pcisub_methods[] = {
DEVMETHOD(device_probe, ata_pcisub_probe),
DEVMETHOD(device_attach, ata_attach),
DEVMETHOD(device_detach, ata_detach),
DEVMETHOD(device_suspend, ata_suspend),
DEVMETHOD(device_resume, ata_resume),
{ 0, 0 }
};