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-rw-r--r--drivers/scsi/Kconfig20
-rw-r--r--drivers/scsi/arm/Kconfig10
-rw-r--r--drivers/scsi/device_handler/Kconfig4
-rw-r--r--drivers/scsi/hosts.c4
-rw-r--r--drivers/scsi/osd/osd_uld.c26
-rw-r--r--drivers/scsi/scsi_lib.c14
-rw-r--r--drivers/scsi/scsi_transport_iscsi.c4
-rw-r--r--drivers/scsi/sr.c46
-rw-r--r--drivers/scsi/storvsc_drv.c12
9 files changed, 93 insertions, 47 deletions
diff --git a/drivers/scsi/Kconfig b/drivers/scsi/Kconfig
index 142f632e2a2..db95c547c09 100644
--- a/drivers/scsi/Kconfig
+++ b/drivers/scsi/Kconfig
@@ -42,7 +42,7 @@ config SCSI_DMA
config SCSI_TGT
tristate "SCSI target support"
- depends on SCSI && EXPERIMENTAL
+ depends on SCSI
---help---
If you want to use SCSI target mode drivers enable this option.
If you choose M, the module will be called scsi_tgt.
@@ -883,7 +883,7 @@ config SCSI_IBMVSCSI
This is the IBM POWER Virtual SCSI Client
To compile this driver as a module, choose M here: the
- module will be called ibmvscsic.
+ module will be called ibmvscsi.
config SCSI_IBMVSCSIS
tristate "IBM Virtual SCSI Server support"
@@ -1392,8 +1392,8 @@ config SCSI_SYM53C416
module will be called sym53c416.
config SCSI_DC395x
- tristate "Tekram DC395(U/UW/F) and DC315(U) SCSI support (EXPERIMENTAL)"
- depends on PCI && SCSI && EXPERIMENTAL
+ tristate "Tekram DC395(U/UW/F) and DC315(U) SCSI support"
+ depends on PCI && SCSI
---help---
This driver supports PCI SCSI host adapters based on the ASIC
TRM-S1040 chip, e.g Tekram DC395(U/UW/F) and DC315(U) variants.
@@ -1618,8 +1618,8 @@ config GVP11_SCSI
module will be called gvp11.
config SCSI_A4000T
- tristate "A4000T NCR53c710 SCSI support (EXPERIMENTAL)"
- depends on AMIGA && SCSI && EXPERIMENTAL
+ tristate "A4000T NCR53c710 SCSI support"
+ depends on AMIGA && SCSI
select SCSI_SPI_ATTRS
help
If you have an Amiga 4000T and have SCSI devices connected to the
@@ -1629,8 +1629,8 @@ config SCSI_A4000T
module will be called a4000t.
config SCSI_ZORRO7XX
- tristate "Zorro NCR53c710 SCSI support (EXPERIMENTAL)"
- depends on ZORRO && SCSI && EXPERIMENTAL
+ tristate "Zorro NCR53c710 SCSI support"
+ depends on ZORRO && SCSI
select SCSI_SPI_ATTRS
help
Support for various NCR53c710-based SCSI controllers on Zorro
@@ -1807,8 +1807,8 @@ config SCSI_BFA_FC
be called bfa.
config SCSI_VIRTIO
- tristate "virtio-scsi support (EXPERIMENTAL)"
- depends on EXPERIMENTAL && VIRTIO
+ tristate "virtio-scsi support"
+ depends on VIRTIO
help
This is the virtual HBA driver for virtio. If the kernel will
be used in a virtual machine, say Y or M.
diff --git a/drivers/scsi/arm/Kconfig b/drivers/scsi/arm/Kconfig
index a8587f1f5e7..cfd172a439c 100644
--- a/drivers/scsi/arm/Kconfig
+++ b/drivers/scsi/arm/Kconfig
@@ -64,19 +64,19 @@ config SCSI_POWERTECSCSI
you have one of these, say Y. If unsure, say N.
comment "The following drivers are not fully supported"
- depends on ARCH_ACORN && EXPERIMENTAL
+ depends on ARCH_ACORN
config SCSI_CUMANA_1
- tristate "CumanaSCSI I support (EXPERIMENTAL)"
- depends on ARCH_ACORN && EXPERIMENTAL && SCSI
+ tristate "CumanaSCSI I support"
+ depends on ARCH_ACORN && SCSI
select SCSI_SPI_ATTRS
help
This enables support for the Cumana SCSI I card. If you have an
Acorn system with one of these, say Y. If unsure, say N.
config SCSI_OAK1
- tristate "Oak SCSI support (EXPERIMENTAL)"
- depends on ARCH_ACORN && EXPERIMENTAL && SCSI
+ tristate "Oak SCSI support"
+ depends on ARCH_ACORN && SCSI
select SCSI_SPI_ATTRS
help
This enables support for the Oak SCSI card. If you have an Acorn
diff --git a/drivers/scsi/device_handler/Kconfig b/drivers/scsi/device_handler/Kconfig
index 67070257919..69abd0ad48e 100644
--- a/drivers/scsi/device_handler/Kconfig
+++ b/drivers/scsi/device_handler/Kconfig
@@ -32,8 +32,8 @@ config SCSI_DH_EMC
If you have a EMC CLARiiON select y. Otherwise, say N.
config SCSI_DH_ALUA
- tristate "SPC-3 ALUA Device Handler (EXPERIMENTAL)"
- depends on SCSI_DH && EXPERIMENTAL
+ tristate "SPC-3 ALUA Device Handler"
+ depends on SCSI_DH
help
SCSI Device handler for generic SPC-3 Asymmetric Logical Unit
Access (ALUA).
diff --git a/drivers/scsi/hosts.c b/drivers/scsi/hosts.c
index 593085a5227..df0c3c71ea4 100644
--- a/drivers/scsi/hosts.c
+++ b/drivers/scsi/hosts.c
@@ -468,10 +468,10 @@ void scsi_unregister(struct Scsi_Host *shost)
}
EXPORT_SYMBOL(scsi_unregister);
-static int __scsi_host_match(struct device *dev, void *data)
+static int __scsi_host_match(struct device *dev, const void *data)
{
struct Scsi_Host *p;
- unsigned short *hostnum = (unsigned short *)data;
+ const unsigned short *hostnum = data;
p = class_to_shost(dev);
return p->host_no == *hostnum;
diff --git a/drivers/scsi/osd/osd_uld.c b/drivers/scsi/osd/osd_uld.c
index 43754176a7b..0fab6b5c7b8 100644
--- a/drivers/scsi/osd/osd_uld.c
+++ b/drivers/scsi/osd/osd_uld.c
@@ -268,18 +268,11 @@ static inline bool _the_same_or_null(const u8 *a1, unsigned a1_len,
return 0 == memcmp(a1, a2, a1_len);
}
-struct find_oud_t {
- const struct osd_dev_info *odi;
- struct device *dev;
- struct osd_uld_device *oud;
-} ;
-
-int _mach_odi(struct device *dev, void *find_data)
+static int _match_odi(struct device *dev, const void *find_data)
{
struct osd_uld_device *oud = container_of(dev, struct osd_uld_device,
class_dev);
- struct find_oud_t *fot = find_data;
- const struct osd_dev_info *odi = fot->odi;
+ const struct osd_dev_info *odi = find_data;
if (_the_same_or_null(oud->odi.systemid, oud->odi.systemid_len,
odi->systemid, odi->systemid_len) &&
@@ -287,7 +280,6 @@ int _mach_odi(struct device *dev, void *find_data)
odi->osdname, odi->osdname_len)) {
OSD_DEBUG("found device sysid_len=%d osdname=%d\n",
odi->systemid_len, odi->osdname_len);
- fot->oud = oud;
return 1;
} else {
return 0;
@@ -301,19 +293,19 @@ int _mach_odi(struct device *dev, void *find_data)
*/
struct osd_dev *osduld_info_lookup(const struct osd_dev_info *odi)
{
- struct find_oud_t find = {.odi = odi};
-
- find.dev = class_find_device(&osd_uld_class, NULL, &find, _mach_odi);
- if (likely(find.dev)) {
+ struct device *dev = class_find_device(&osd_uld_class, NULL, odi, _match_odi);
+ if (likely(dev)) {
struct osd_dev_handle *odh = kzalloc(sizeof(*odh), GFP_KERNEL);
+ struct osd_uld_device *oud = container_of(dev,
+ struct osd_uld_device, class_dev);
if (unlikely(!odh)) {
- put_device(find.dev);
+ put_device(dev);
return ERR_PTR(-ENOMEM);
}
- odh->od = find.oud->od;
- odh->oud = find.oud;
+ odh->od = oud->od;
+ odh->oud = oud;
return &odh->od;
}
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index f1bf5aff68e..765398c063c 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -2617,3 +2617,17 @@ void scsi_kunmap_atomic_sg(void *virt)
kunmap_atomic(virt);
}
EXPORT_SYMBOL(scsi_kunmap_atomic_sg);
+
+void sdev_disable_disk_events(struct scsi_device *sdev)
+{
+ atomic_inc(&sdev->disk_events_disable_depth);
+}
+EXPORT_SYMBOL(sdev_disable_disk_events);
+
+void sdev_enable_disk_events(struct scsi_device *sdev)
+{
+ if (WARN_ON_ONCE(atomic_read(&sdev->disk_events_disable_depth) <= 0))
+ return;
+ atomic_dec(&sdev->disk_events_disable_depth);
+}
+EXPORT_SYMBOL(sdev_enable_disk_events);
diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c
index 31969f2e13c..59d427bf08e 100644
--- a/drivers/scsi/scsi_transport_iscsi.c
+++ b/drivers/scsi/scsi_transport_iscsi.c
@@ -183,10 +183,10 @@ static struct attribute_group iscsi_endpoint_group = {
#define ISCSI_MAX_EPID -1
-static int iscsi_match_epid(struct device *dev, void *data)
+static int iscsi_match_epid(struct device *dev, const void *data)
{
struct iscsi_endpoint *ep = iscsi_dev_to_endpoint(dev);
- uint64_t *epid = (uint64_t *) data;
+ const uint64_t *epid = data;
return *epid == ep->id;
}
diff --git a/drivers/scsi/sr.c b/drivers/scsi/sr.c
index 5fc97d2ba2f..f2884ee9071 100644
--- a/drivers/scsi/sr.c
+++ b/drivers/scsi/sr.c
@@ -45,6 +45,7 @@
#include <linux/blkdev.h>
#include <linux/mutex.h>
#include <linux/slab.h>
+#include <linux/pm_runtime.h>
#include <asm/uaccess.h>
#include <scsi/scsi.h>
@@ -79,6 +80,11 @@ static DEFINE_MUTEX(sr_mutex);
static int sr_probe(struct device *);
static int sr_remove(struct device *);
static int sr_done(struct scsi_cmnd *);
+static int sr_runtime_suspend(struct device *dev);
+
+static struct dev_pm_ops sr_pm_ops = {
+ .runtime_suspend = sr_runtime_suspend,
+};
static struct scsi_driver sr_template = {
.owner = THIS_MODULE,
@@ -86,6 +92,7 @@ static struct scsi_driver sr_template = {
.name = "sr",
.probe = sr_probe,
.remove = sr_remove,
+ .pm = &sr_pm_ops,
},
.done = sr_done,
};
@@ -131,6 +138,16 @@ static inline struct scsi_cd *scsi_cd(struct gendisk *disk)
return container_of(disk->private_data, struct scsi_cd, driver);
}
+static int sr_runtime_suspend(struct device *dev)
+{
+ struct scsi_cd *cd = dev_get_drvdata(dev);
+
+ if (cd->media_present)
+ return -EBUSY;
+ else
+ return 0;
+}
+
/*
* The get and put routines for the struct scsi_cd. Note this entity
* has a scsi_device pointer and owns a reference to this.
@@ -146,7 +163,8 @@ static inline struct scsi_cd *scsi_cd_get(struct gendisk *disk)
kref_get(&cd->kref);
if (scsi_device_get(cd->device))
goto out_put;
- goto out;
+ if (!scsi_autopm_get_device(cd->device))
+ goto out;
out_put:
kref_put(&cd->kref, sr_kref_release);
@@ -162,6 +180,7 @@ static void scsi_cd_put(struct scsi_cd *cd)
mutex_lock(&sr_ref_mutex);
kref_put(&cd->kref, sr_kref_release);
+ scsi_autopm_put_device(sdev);
scsi_device_put(sdev);
mutex_unlock(&sr_ref_mutex);
}
@@ -540,6 +559,8 @@ static int sr_block_ioctl(struct block_device *bdev, fmode_t mode, unsigned cmd,
void __user *argp = (void __user *)arg;
int ret;
+ scsi_autopm_get_device(cd->device);
+
mutex_lock(&sr_mutex);
/*
@@ -571,6 +592,7 @@ static int sr_block_ioctl(struct block_device *bdev, fmode_t mode, unsigned cmd,
out:
mutex_unlock(&sr_mutex);
+ scsi_autopm_put_device(cd->device);
return ret;
}
@@ -578,7 +600,17 @@ static unsigned int sr_block_check_events(struct gendisk *disk,
unsigned int clearing)
{
struct scsi_cd *cd = scsi_cd(disk);
- return cdrom_check_events(&cd->cdi, clearing);
+ unsigned int ret;
+
+ if (atomic_read(&cd->device->disk_events_disable_depth) == 0) {
+ scsi_autopm_get_device(cd->device);
+ ret = cdrom_check_events(&cd->cdi, clearing);
+ scsi_autopm_put_device(cd->device);
+ } else {
+ ret = 0;
+ }
+
+ return ret;
}
static int sr_block_revalidate_disk(struct gendisk *disk)
@@ -586,12 +618,16 @@ static int sr_block_revalidate_disk(struct gendisk *disk)
struct scsi_cd *cd = scsi_cd(disk);
struct scsi_sense_hdr sshdr;
+ scsi_autopm_get_device(cd->device);
+
/* if the unit is not ready, nothing more to do */
if (scsi_test_unit_ready(cd->device, SR_TIMEOUT, MAX_RETRIES, &sshdr))
- return 0;
+ goto out;
sr_cd_check(&cd->cdi);
get_sectorsize(cd);
+out:
+ scsi_autopm_put_device(cd->device);
return 0;
}
@@ -718,6 +754,8 @@ static int sr_probe(struct device *dev)
sdev_printk(KERN_DEBUG, sdev,
"Attached scsi CD-ROM %s\n", cd->cdi.name);
+ scsi_autopm_put_device(cd->device);
+
return 0;
fail_put:
@@ -965,6 +1003,8 @@ static int sr_remove(struct device *dev)
{
struct scsi_cd *cd = dev_get_drvdata(dev);
+ scsi_autopm_get_device(cd->device);
+
blk_queue_prep_rq(cd->device->request_queue, scsi_prep_fn);
del_gendisk(cd->disk);
diff --git a/drivers/scsi/storvsc_drv.c b/drivers/scsi/storvsc_drv.c
index 01440782feb..270b3cf6f37 100644
--- a/drivers/scsi/storvsc_drv.c
+++ b/drivers/scsi/storvsc_drv.c
@@ -1410,13 +1410,13 @@ enum {
static const struct hv_vmbus_device_id id_table[] = {
/* SCSI guid */
- { VMBUS_DEVICE(0xd9, 0x63, 0x61, 0xba, 0xa1, 0x04, 0x29, 0x4d,
- 0xb6, 0x05, 0x72, 0xe2, 0xff, 0xb1, 0xdc, 0x7f)
- .driver_data = SCSI_GUID },
+ { HV_SCSI_GUID,
+ .driver_data = SCSI_GUID
+ },
/* IDE guid */
- { VMBUS_DEVICE(0x32, 0x26, 0x41, 0x32, 0xcb, 0x86, 0xa2, 0x44,
- 0x9b, 0x5c, 0x50, 0xd1, 0x41, 0x73, 0x54, 0xf5)
- .driver_data = IDE_GUID },
+ { HV_IDE_GUID,
+ .driver_data = IDE_GUID
+ },
{ },
};