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| author | Lin Ming <ming.m.lin@intel.com> | 2011-12-05 02:20:28 +0100 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@redhat.com> | 2012-01-09 01:14:58 +0100 |
| commit | 9ee4f3933930abf5cc34f8e9d69fe0e08c18f602 (patch) | |
| tree | 7d3751d52712f71a19d488f9970b6184b4c140c6 /drivers/ata/libata-core.c | |
| parent | ata: add ata port system PM callbacks (diff) | |
| download | linux-9ee4f3933930abf5cc34f8e9d69fe0e08c18f602.tar.xz linux-9ee4f3933930abf5cc34f8e9d69fe0e08c18f602.zip | |
ata: add ata port runtime PM callbacks
Add ata port runtime suspend/resume/idle callbacks.
Set ->eh_noresume to skip the runtime PM calls on scsi host
in the error handler to avoid dead lock.
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Diffstat (limited to 'drivers/ata/libata-core.c')
| -rw-r--r-- | drivers/ata/libata-core.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 04c208e3cec6..15a3d4deb272 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -66,6 +66,7 @@ #include <asm/byteorder.h> #include <linux/cdrom.h> #include <linux/ratelimit.h> +#include <linux/pm_runtime.h> #include "libata.h" #include "libata-transport.h" @@ -5307,9 +5308,18 @@ static int ata_port_resume(struct device *dev) return rc; } +static int ata_port_runtime_idle(struct device *dev) +{ + return pm_runtime_suspend(dev); +} + static const struct dev_pm_ops ata_port_pm_ops = { .suspend = ata_port_suspend, .resume = ata_port_resume, + + .runtime_suspend = ata_port_suspend_common, + .runtime_resume = ata_port_resume, + .runtime_idle = ata_port_runtime_idle, }; /** |