10 files changed, 174 insertions, 39 deletions

diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index 5f51057518b0..807b0df308f1 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -274,8 +274,6 @@ static void acpi_processor_idle(void)
                 }
         }
 
-        cx->usage++;
-
 #ifdef CONFIG_HOTPLUG_CPU
         /*
          * Check for P_LVL2_UP flag before entering C2 and above on
@@ -283,9 +281,12 @@ static void acpi_processor_idle(void)
          * detection phase, to work cleanly with logical CPU hotplug.
          */
         if ((cx->type != ACPI_STATE_C1) && (num_online_cpus() > 1) && 
-            !pr->flags.has_cst && acpi_fadt.plvl2_up)
-                cx->type = ACPI_STATE_C1;
+            !pr->flags.has_cst && !acpi_fadt.plvl2_up)
+                cx = &pr->power.states[ACPI_STATE_C1];
 #endif
+
+        cx->usage++;
+
         /*
          * Sleep:
          * ------
@@ -386,6 +387,15 @@ static void acpi_processor_idle(void)
 
         next_state = pr->power.state;
 
+#ifdef CONFIG_HOTPLUG_CPU
+        /* Don't do promotion/demotion */
+        if ((cx->type == ACPI_STATE_C1) && (num_online_cpus() > 1) &&
+            !pr->flags.has_cst && !acpi_fadt.plvl2_up) {
+                next_state = cx;
+                goto end;
+        }
+#endif
+
         /*
          * Promotion?
          * ----------
@@ -557,7 +567,7 @@ static int acpi_processor_get_power_info_fadt(struct acpi_processor *pr)
          * Check for P_LVL2_UP flag before entering C2 and above on
          * an SMP system. 
          */
-        if ((num_online_cpus() > 1) && acpi_fadt.plvl2_up)
+        if ((num_online_cpus() > 1) && !acpi_fadt.plvl2_up)
                 return_VALUE(-ENODEV);
 #endif
 
diff --git a/drivers/media/video/saa7127.c b/drivers/media/video/saa7127.c
index 3428e1ed0032..c36f014f1fdf 100644
--- a/drivers/media/video/saa7127.c
+++ b/drivers/media/video/saa7127.c
@@ -389,7 +389,7 @@ static int saa7127_set_vps(struct i2c_client *client, struct v4l2_sliced_vbi_dat
 static int saa7127_set_cc(struct i2c_client *client, struct v4l2_sliced_vbi_data *data)
 {
         struct saa7127_state *state = i2c_get_clientdata(client);
-        u16 cc = data->data[0] << 8 | data->data[1];
+        u16 cc = data->data[1] << 8 | data->data[0];
         int enable = (data->line != 0);
 
         if (enable && (data->field != 0 || data->line != 21))
@@ -397,7 +397,7 @@ static int saa7127_set_cc(struct i2c_client *client, struct v4l2_sliced_vbi_data
         if (state->cc_enable != enable) {
                 saa7127_dbg("Turn CC %s\n", enable ? "on" : "off");
                 saa7127_write(client, SAA7127_REG_CLOSED_CAPTION,
-                                (enable << 6) | 0x11);
+                                (state->xds_enable << 7) | (enable << 6) | 0x11);
                 state->cc_enable = enable;
         }
         if (!enable)
@@ -423,7 +423,7 @@ static int saa7127_set_xds(struct i2c_client *client, struct v4l2_sliced_vbi_dat
         if (state->xds_enable != enable) {
                 saa7127_dbg("Turn XDS %s\n", enable ? "on" : "off");
                 saa7127_write(client, SAA7127_REG_CLOSED_CAPTION,
-                                (enable << 7) | 0x11);
+                                (enable << 7) | (state->cc_enable << 6) | 0x11);
                 state->xds_enable = enable;
         }
         if (!enable)
diff --git a/drivers/media/video/saa7134/Kconfig b/drivers/media/video/saa7134/Kconfig
index c512c4411b38..c0f604a6fe42 100644
--- a/drivers/media/video/saa7134/Kconfig
+++ b/drivers/media/video/saa7134/Kconfig
@@ -1,11 +1,10 @@
 config VIDEO_SAA7134
         tristate "Philips SAA7134 support"
-        depends on VIDEO_DEV && PCI && I2C && SOUND && SND
+        depends on VIDEO_DEV && PCI && I2C
         select VIDEO_BUF
         select VIDEO_IR
         select VIDEO_TUNER
         select CRC32
-        select SND_PCM_OSS
         ---help---
           This is a video4linux driver for Philips SAA713x based
           TV cards.
@@ -13,6 +12,29 @@ config VIDEO_SAA7134
           To compile this driver as a module, choose M here: the
           module will be called saa7134.
 
+config VIDEO_SAA7134_ALSA
+        tristate "Philips SAA7134 DMA audio support"
+        depends on VIDEO_SAA7134 && SOUND && SND && (!VIDEO_SAA7134_OSS || VIDEO_SAA7134_OSS = m)
+        select SND_PCM_OSS
+        ---help---
+          This is a video4linux driver for direct (DMA) audio in
+          Philips SAA713x based TV cards using ALSA
+
+          To compile this driver as a module, choose M here: the
+          module will be called saa7134-alsa.
+
+config VIDEO_SAA7134_OSS
+        tristate "Philips SAA7134 DMA audio support (OSS, DEPRECATED)"
+        depends on VIDEO_SAA7134 && SOUND_PRIME && (!VIDEO_SAA7134_ALSA || VIDEO_SAA7134_ALSA = m)
+        ---help---
+          This is a video4linux driver for direct (DMA) audio in
+          Philips SAA713x based TV cards using OSS
+
+          This is deprecated in favor of the ALSA module
+
+          To compile this driver as a module, choose M here: the
+          module will be called saa7134-oss.
+
 config VIDEO_SAA7134_DVB
         tristate "DVB/ATSC Support for saa7134 based TV cards"
         depends on VIDEO_SAA7134 && DVB_CORE
diff --git a/drivers/media/video/saa7134/Makefile b/drivers/media/video/saa7134/Makefile
index 134f83a96218..1ba998424bbd 100644
--- a/drivers/media/video/saa7134/Makefile
+++ b/drivers/media/video/saa7134/Makefile
@@ -4,8 +4,11 @@ saa7134-objs :=	saa7134-cards.o saa7134-core.o saa7134-i2c.o	\
                 saa7134-video.o saa7134-input.o
 
 obj-$(CONFIG_VIDEO_SAA7134) +=  saa7134.o saa7134-empress.o \
-                                saa6752hs.o saa7134-alsa.o \
-                                saa7134-oss.o
+                                saa6752hs.o
+
+obj-$(CONFIG_VIDEO_SAA7134_ALSA) += saa7134-alsa.o
+obj-$(CONFIG_VIDEO_SAA7134_OSS) += saa7134-oss.o
+
 obj-$(CONFIG_VIDEO_SAA7134_DVB) += saa7134-dvb.o
 
 EXTRA_CFLAGS += -I$(src)/..
diff --git a/drivers/media/video/saa7134/saa7134-alsa.c b/drivers/media/video/saa7134/saa7134-alsa.c
index 953d5fec82d5..ade05f75fdb0 100644
--- a/drivers/media/video/saa7134/saa7134-alsa.c
+++ b/drivers/media/video/saa7134/saa7134-alsa.c
@@ -989,6 +989,14 @@ static int saa7134_alsa_init(void)
         struct saa7134_dev *dev = NULL;
         struct list_head *list;
 
+        if (!dmasound_init && !dmasound_exit) {
+                dmasound_init = alsa_device_init;
+                dmasound_exit = alsa_device_exit;
+        } else {
+                printk(KERN_WARNING "saa7134 ALSA: can't load, DMA sound handler already assigned (probably to OSS)\n");
+                return -EBUSY;
+        }
+
         printk(KERN_INFO "saa7134 ALSA driver for DMA sound loaded\n");
 
         list_for_each(list,&saa7134_devlist) {
@@ -1001,9 +1009,6 @@ static int saa7134_alsa_init(void)
                 }
         }
 
-        dmasound_init = alsa_device_init;
-        dmasound_exit = alsa_device_exit;
-
         if (dev == NULL)
                 printk(KERN_INFO "saa7134 ALSA: no saa7134 cards found\n");
 
@@ -1023,12 +1028,15 @@ static void saa7134_alsa_exit(void)
                 snd_card_free(snd_saa7134_cards[idx]);
         }
 
+        dmasound_init = NULL;
+        dmasound_exit = NULL;
         printk(KERN_INFO "saa7134 ALSA driver for DMA sound unloaded\n");
 
         return;
 }
 
-module_init(saa7134_alsa_init);
+/* We initialize this late, to make sure the sound system is up and running */
+late_initcall(saa7134_alsa_init);
 module_exit(saa7134_alsa_exit);
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Ricardo Cerqueira");
diff --git a/drivers/media/video/saa7134/saa7134-oss.c b/drivers/media/video/saa7134/saa7134-oss.c
index 513a699a6df2..8badd2a9cb2f 100644
--- a/drivers/media/video/saa7134/saa7134-oss.c
+++ b/drivers/media/video/saa7134/saa7134-oss.c
@@ -959,8 +959,17 @@ static int saa7134_oss_init(void)
         struct saa7134_dev *dev = NULL;
         struct list_head *list;
 
+        if (!dmasound_init && !dmasound_exit) {
+                dmasound_init = oss_device_init;
+                dmasound_exit = oss_device_exit;
+        } else {
+                printk(KERN_WARNING "saa7134 OSS: can't load, DMA sound handler already assigned (probably to ALSA)\n");
+                return -EBUSY;
+        }
+
         printk(KERN_INFO "saa7134 OSS driver for DMA sound loaded\n");
 
+
         list_for_each(list,&saa7134_devlist) {
                 dev = list_entry(list, struct saa7134_dev, devlist);
                 if (dev->dmasound.priv_data == NULL) {
@@ -974,9 +983,6 @@ static int saa7134_oss_init(void)
         if (dev == NULL)
                 printk(KERN_INFO "saa7134 OSS: no saa7134 cards found\n");
 
-        dmasound_init = oss_device_init;
-        dmasound_exit = oss_device_exit;
-
         return 0;
 
 }
@@ -997,12 +1003,16 @@ static void saa7134_oss_exit(void)
 
         }
 
+        dmasound_init = NULL;
+        dmasound_exit = NULL;
+
         printk(KERN_INFO "saa7134 OSS driver for DMA sound unloaded\n");
 
         return;
 }
 
-module_init(saa7134_oss_init);
+/* We initialize this late, to make sure the sound system is up and running */
+late_initcall(saa7134_oss_init);
 module_exit(saa7134_oss_exit);
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c
index 94e5167f260d..e36c21e06d31 100644
--- a/drivers/scsi/scsi_scan.c
+++ b/drivers/scsi/scsi_scan.c
@@ -400,6 +400,35 @@ static struct scsi_target *scsi_alloc_target(struct device *parent,
         return found_target;
 }
 
+struct work_queue_wrapper {
+        struct work_struct      work;
+        struct scsi_target      *starget;
+};
+
+static void scsi_target_reap_work(void *data) {
+        struct work_queue_wrapper *wqw = (struct work_queue_wrapper *)data;
+        struct scsi_target *starget = wqw->starget;
+        struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
+        unsigned long flags;
+
+        kfree(wqw);
+
+        spin_lock_irqsave(shost->host_lock, flags);
+
+        if (--starget->reap_ref == 0 && list_empty(&starget->devices)) {
+                list_del_init(&starget->siblings);
+                spin_unlock_irqrestore(shost->host_lock, flags);
+                device_del(&starget->dev);
+                transport_unregister_device(&starget->dev);
+                put_device(&starget->dev);
+                return;
+
+        }
+        spin_unlock_irqrestore(shost->host_lock, flags);
+
+        return;
+}
+
 /**
  * scsi_target_reap - check to see if target is in use and destroy if not
  *
@@ -411,19 +440,18 @@ static struct scsi_target *scsi_alloc_target(struct device *parent,
  */
 void scsi_target_reap(struct scsi_target *starget)
 {
-        struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
-        unsigned long flags;
-        spin_lock_irqsave(shost->host_lock, flags);
+        struct work_queue_wrapper *wqw = 
+                kzalloc(sizeof(struct work_queue_wrapper), GFP_ATOMIC);
 
-        if (--starget->reap_ref == 0 && list_empty(&starget->devices)) {
-                list_del_init(&starget->siblings);
-                spin_unlock_irqrestore(shost->host_lock, flags);
-                device_del(&starget->dev);
-                transport_unregister_device(&starget->dev);
-                put_device(&starget->dev);
+        if (!wqw) {
+                starget_printk(KERN_ERR, starget,
+                               "Failed to allocate memory in scsi_reap_target()\n");
                 return;
         }
-        spin_unlock_irqrestore(shost->host_lock, flags);
+
+        INIT_WORK(&wqw->work, scsi_target_reap_work, wqw);
+        wqw->starget = starget;
+        schedule_work(&wqw->work);
 }
 
 /**
diff --git a/drivers/scsi/scsi_transport_fc.c b/drivers/scsi/scsi_transport_fc.c
index 6cd5931d9a54..2a1a99a2ef56 100644
--- a/drivers/scsi/scsi_transport_fc.c
+++ b/drivers/scsi/scsi_transport_fc.c
@@ -105,6 +105,7 @@ static struct {
         { FC_PORTSTATE_LINKDOWN,        "Linkdown" },
         { FC_PORTSTATE_ERROR,           "Error" },
         { FC_PORTSTATE_LOOPBACK,        "Loopback" },
+        { FC_PORTSTATE_DELETED,         "Deleted" },
 };
 fc_enum_name_search(port_state, fc_port_state, fc_port_state_names)
 #define FC_PORTSTATE_MAX_NAMELEN        20
@@ -211,6 +212,7 @@ fc_bitfield_name_search(remote_port_roles, fc_remote_port_role_names)
 #define FC_MGMTSRVR_PORTID              0x00000a
 
 
+static void fc_shost_remove_rports(void  *data);
 static void fc_timeout_deleted_rport(void *data);
 static void fc_scsi_scan_rport(void *data);
 static void fc_rport_terminate(struct fc_rport  *rport);
@@ -318,6 +320,8 @@ static int fc_host_setup(struct transport_container *tc, struct device *dev,
         fc_host_next_rport_number(shost) = 0;
         fc_host_next_target_id(shost) = 0;
 
+        fc_host_flags(shost) = 0;
+        INIT_WORK(&fc_host_rport_del_work(shost), fc_shost_remove_rports, shost);
         return 0;
 }
 
@@ -387,6 +391,7 @@ show_fc_rport_##field (struct class_device *cdev, char *buf)		\
         struct fc_internal *i = to_fc_internal(shost->transportt);      \
         if ((i->f->get_rport_##field) &&                                \
             !((rport->port_state == FC_PORTSTATE_BLOCKED) ||            \
+              (rport->port_state == FC_PORTSTATE_DELETED) ||            \
               (rport->port_state == FC_PORTSTATE_NOTPRESENT)))          \
                 i->f->get_rport_##field(rport);                         \
         return snprintf(buf, sz, format_string, cast rport->field);     \
@@ -402,6 +407,7 @@ store_fc_rport_##field(struct class_device *cdev, const char *buf,	\
         struct Scsi_Host *shost = rport_to_shost(rport);                \
         struct fc_internal *i = to_fc_internal(shost->transportt);      \
         if ((rport->port_state == FC_PORTSTATE_BLOCKED) ||              \
+            (rport->port_state == FC_PORTSTATE_DELETED) ||              \
             (rport->port_state == FC_PORTSTATE_NOTPRESENT))             \
                 return -EBUSY;                                          \
         val = simple_strtoul(buf, NULL, 0);                             \
@@ -519,6 +525,7 @@ store_fc_rport_dev_loss_tmo(struct class_device *cdev, const char *buf,
         struct Scsi_Host *shost = rport_to_shost(rport);
         struct fc_internal *i = to_fc_internal(shost->transportt);
         if ((rport->port_state == FC_PORTSTATE_BLOCKED) ||
+            (rport->port_state == FC_PORTSTATE_DELETED) ||
             (rport->port_state == FC_PORTSTATE_NOTPRESENT))
                 return -EBUSY;
         val = simple_strtoul(buf, NULL, 0);
@@ -1769,7 +1776,7 @@ fc_timeout_deleted_rport(void  *data)
         rport->maxframe_size = -1;
         rport->supported_classes = FC_COS_UNSPECIFIED;
         rport->roles = FC_RPORT_ROLE_UNKNOWN;
-        rport->port_state = FC_PORTSTATE_NOTPRESENT;
+        rport->port_state = FC_PORTSTATE_DELETED;
 
         /* remove the identifiers that aren't used in the consisting binding */
         switch (fc_host_tgtid_bind_type(shost)) {
@@ -1789,14 +1796,23 @@ fc_timeout_deleted_rport(void  *data)
                 break;
         }
 
-        spin_unlock_irqrestore(shost->host_lock, flags);
-
         /*
          * As this only occurs if the remote port (scsi target)
          * went away and didn't come back - we'll remove
          * all attached scsi devices.
+         *
+         * We'll schedule the shost work item to perform the actual removal
+         * to avoid recursion in the different flush calls if we perform
+         * the removal in each target - and there are lots of targets
+         * whose timeouts fire at the same time.
          */
-        fc_rport_tgt_remove(rport);
+
+        if ( !(fc_host_flags(shost) & FC_SHOST_RPORT_DEL_SCHEDULED)) {
+                fc_host_flags(shost) |= FC_SHOST_RPORT_DEL_SCHEDULED;
+                scsi_queue_work(shost, &fc_host_rport_del_work(shost));
+        }
+
+        spin_unlock_irqrestore(shost->host_lock, flags);
 }
 
 /**
@@ -1818,6 +1834,41 @@ fc_scsi_scan_rport(void *data)
 }
 
 
+/**
+ * fc_shost_remove_rports - called to remove all rports that are marked
+ *                       as in a deleted (not connected) state.
+ * 
+ * @data:       shost whose rports are to be looked at
+ **/
+static void
+fc_shost_remove_rports(void  *data)
+{
+        struct Scsi_Host *shost = (struct Scsi_Host *)data;
+        struct fc_rport *rport, *next_rport;
+        unsigned long flags;
+
+        spin_lock_irqsave(shost->host_lock, flags);
+        while (fc_host_flags(shost) & FC_SHOST_RPORT_DEL_SCHEDULED) {
+
+                fc_host_flags(shost) &= ~FC_SHOST_RPORT_DEL_SCHEDULED;
+
+restart_search:
+                list_for_each_entry_safe(rport, next_rport,
+                                &fc_host_rport_bindings(shost), peers) {
+                        if (rport->port_state == FC_PORTSTATE_DELETED) {
+                                rport->port_state = FC_PORTSTATE_NOTPRESENT;
+                                spin_unlock_irqrestore(shost->host_lock, flags);
+                                fc_rport_tgt_remove(rport);
+                                spin_lock_irqsave(shost->host_lock, flags);
+                                goto restart_search;
+                        }
+                }
+
+        }
+        spin_unlock_irqrestore(shost->host_lock, flags);
+}
+
+
 MODULE_AUTHOR("Martin Hicks");
 MODULE_DESCRIPTION("FC Transport Attributes");
 MODULE_LICENSE("GPL");
diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c
index e197ce9353de..e80ef9467825 100644
--- a/drivers/usb/core/usb.c
+++ b/drivers/usb/core/usb.c
@@ -1432,7 +1432,8 @@ static int usb_generic_suspend(struct device *dev, pm_message_t message)
                         mark_quiesced(intf);
         } else {
                 // FIXME else if there's no suspend method, disconnect...
-                dev_warn(dev, "no %s?\n", "suspend");
+                dev_warn(dev, "no suspend for driver %s?\n", driver->name);
+                mark_quiesced(intf);
                 status = 0;
         }
         return status;
@@ -1460,8 +1461,10 @@ static int usb_generic_resume(struct device *dev)
         }
 
         if ((dev->driver == NULL) ||
-            (dev->driver_data == &usb_generic_driver_data))
+            (dev->driver_data == &usb_generic_driver_data)) {
+                dev->power.power_state.event = PM_EVENT_FREEZE;
                 return 0;
+        }
 
         intf = to_usb_interface(dev);
         driver = to_usb_driver(dev->driver);
@@ -1481,7 +1484,7 @@ static int usb_generic_resume(struct device *dev)
                         mark_quiesced(intf);
                 }
         } else
-                dev_warn(dev, "no %s?\n", "resume");
+                dev_warn(dev, "no resume for driver %s?\n", driver->name);
         return 0;
 }
 
diff --git a/drivers/usb/storage/scsiglue.c b/drivers/usb/storage/scsiglue.c
index 4837524eada7..4ef5527028c5 100644
--- a/drivers/usb/storage/scsiglue.c
+++ b/drivers/usb/storage/scsiglue.c
@@ -109,7 +109,7 @@ static int slave_configure(struct scsi_device *sdev)
          * data comes from.
          */
         if (sdev->scsi_level < SCSI_2)
-                sdev->scsi_level = SCSI_2;
+                sdev->scsi_level = sdev->sdev_target->scsi_level = SCSI_2;
 
         /* According to the technical support people at Genesys Logic,
          * devices using their chips have problems transferring more than
@@ -162,7 +162,7 @@ static int slave_configure(struct scsi_device *sdev)
                  * a Get-Max-LUN request, we won't lose much by setting the
                  * revision level down to 2.  The only devices that would be
                  * affected are those with sparse LUNs. */
-                sdev->scsi_level = SCSI_2;
+                sdev->scsi_level = sdev->sdev_target->scsi_level = SCSI_2;
 
                 /* USB-IDE bridges tend to report SK = 0x04 (Non-recoverable
                  * Hardware Error) when any low-level error occurs,