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authorHannes Reinecke <hare@suse.de>2008-03-18 16:32:28 +0300
committerJames Bottomley <James.Bottomley@HansenPartnership.com>2008-04-23 00:16:29 +0400
commitb0ed43360fdca227048d88a08290365cb681c1a8 (patch)
treec4bec4f311c2d73159df6fe35986442968aae8c9 /drivers/scsi/scsi_sysfs.c
parentcb6b7f40630f94126233194847a86bf5501fb63c (diff)
downloadlinux-b0ed43360fdca227048d88a08290365cb681c1a8.tar.xz
[SCSI] add scsi_host and scsi_target to scsi_bus
This patch implements scsi_host and scsi_target device types and adds both to the scsi_bus. Signed-off-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Diffstat (limited to 'drivers/scsi/scsi_sysfs.c')
-rw-r--r--drivers/scsi/scsi_sysfs.c29
1 files changed, 24 insertions, 5 deletions
diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c
index 67bb20ed45d2..fbd7f9ed1251 100644
--- a/drivers/scsi/scsi_sysfs.c
+++ b/drivers/scsi/scsi_sysfs.c
@@ -21,6 +21,8 @@
#include "scsi_priv.h"
#include "scsi_logging.h"
+static struct device_type scsi_dev_type;
+
static const struct {
enum scsi_device_state value;
char *name;
@@ -335,7 +337,12 @@ static struct class sdev_class = {
/* all probing is done in the individual ->probe routines */
static int scsi_bus_match(struct device *dev, struct device_driver *gendrv)
{
- struct scsi_device *sdp = to_scsi_device(dev);
+ struct scsi_device *sdp;
+
+ if (dev->type != &scsi_dev_type)
+ return 0;
+
+ sdp = to_scsi_device(dev);
if (sdp->no_uld_attach)
return 0;
return (sdp->inq_periph_qual == SCSI_INQ_PQ_CON)? 1: 0;
@@ -351,10 +358,16 @@ static int scsi_bus_uevent(struct device *dev, struct kobj_uevent_env *env)
static int scsi_bus_suspend(struct device * dev, pm_message_t state)
{
- struct device_driver *drv = dev->driver;
- struct scsi_device *sdev = to_scsi_device(dev);
+ struct device_driver *drv;
+ struct scsi_device *sdev;
int err;
+ if (dev->type != &scsi_dev_type)
+ return 0;
+
+ drv = dev->driver;
+ sdev = to_scsi_device(dev);
+
err = scsi_device_quiesce(sdev);
if (err)
return err;
@@ -370,10 +383,16 @@ static int scsi_bus_suspend(struct device * dev, pm_message_t state)
static int scsi_bus_resume(struct device * dev)
{
- struct device_driver *drv = dev->driver;
- struct scsi_device *sdev = to_scsi_device(dev);
+ struct device_driver *drv;
+ struct scsi_device *sdev;
int err = 0;
+ if (dev->type != &scsi_dev_type)
+ return 0;
+
+ drv = dev->driver;
+ sdev = to_scsi_device(dev);
+
if (drv && drv->resume)
err = drv->resume(dev);