Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

Conflicts:

	drivers/ata/libata-scsi.c
	include/linux/libata.h

Futher merge of Linus's head and compilation fixups.

Signed-Off-By: David Howells <dhowells@redhat.com>

4 files changed, 53 insertions, 58 deletions

diff --git a/drivers/s390/net/lcs.c b/drivers/s390/net/lcs.c
index 66a8aec6efa6..08d4e47070bd 100644
--- a/drivers/s390/net/lcs.c
+++ b/drivers/s390/net/lcs.c
@@ -54,6 +54,8 @@
 #error Cannot compile lcs.c without some net devices switched on.
 #endif
 
+#define PRINTK_HEADER           " lcs: "
+
 /**
  * initialization string for output
  */
@@ -120,7 +122,7 @@ lcs_alloc_channel(struct lcs_channel *channel)
                         kzalloc(LCS_IOBUFFERSIZE, GFP_DMA | GFP_KERNEL);
                 if (channel->iob[cnt].data == NULL)
                         break;
-                channel->iob[cnt].state = BUF_STATE_EMPTY;
+                channel->iob[cnt].state = LCS_BUF_STATE_EMPTY;
         }
         if (cnt < LCS_NUM_BUFFS) {
                 /* Not all io buffers could be allocated. */
@@ -236,7 +238,7 @@ lcs_setup_read_ccws(struct lcs_card *card)
                 ((struct lcs_header *)
                  card->read.iob[cnt].data)->offset = LCS_ILLEGAL_OFFSET;
                 card->read.iob[cnt].callback = lcs_get_frames_cb;
-                card->read.iob[cnt].state = BUF_STATE_READY;
+                card->read.iob[cnt].state = LCS_BUF_STATE_READY;
                 card->read.iob[cnt].count = LCS_IOBUFFERSIZE;
         }
         card->read.ccws[0].flags &= ~CCW_FLAG_PCI;
@@ -247,7 +249,7 @@ lcs_setup_read_ccws(struct lcs_card *card)
         card->read.ccws[LCS_NUM_BUFFS].cda =
                 (__u32) __pa(card->read.ccws);
         /* Setg initial state of the read channel. */
-        card->read.state = CH_STATE_INIT;
+        card->read.state = LCS_CH_STATE_INIT;
 
         card->read.io_idx = 0;
         card->read.buf_idx = 0;
@@ -294,7 +296,7 @@ lcs_setup_write_ccws(struct lcs_card *card)
         card->write.ccws[LCS_NUM_BUFFS].cda =
                 (__u32) __pa(card->write.ccws);
         /* Set initial state of the write channel. */
-        card->read.state = CH_STATE_INIT;
+        card->read.state = LCS_CH_STATE_INIT;
 
         card->write.io_idx = 0;
         card->write.buf_idx = 0;
@@ -496,7 +498,7 @@ lcs_start_channel(struct lcs_channel *channel)
                               channel->ccws + channel->io_idx, 0, 0,
                               DOIO_DENY_PREFETCH | DOIO_ALLOW_SUSPEND);
         if (rc == 0)
-                channel->state = CH_STATE_RUNNING;
+                channel->state = LCS_CH_STATE_RUNNING;
         spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags);
         if (rc) {
                 LCS_DBF_TEXT_(4,trace,"essh%s", channel->ccwdev->dev.bus_id);
@@ -520,8 +522,8 @@ lcs_clear_channel(struct lcs_channel *channel)
                 LCS_DBF_TEXT_(4,trace,"ecsc%s", channel->ccwdev->dev.bus_id);
                 return rc;
         }
-        wait_event(channel->wait_q, (channel->state == CH_STATE_CLEARED));
-        channel->state = CH_STATE_STOPPED;
+        wait_event(channel->wait_q, (channel->state == LCS_CH_STATE_CLEARED));
+        channel->state = LCS_CH_STATE_STOPPED;
         return rc;
 }
 
@@ -535,11 +537,11 @@ lcs_stop_channel(struct lcs_channel *channel)
         unsigned long flags;
         int rc;
 
-        if (channel->state == CH_STATE_STOPPED)
+        if (channel->state == LCS_CH_STATE_STOPPED)
                 return 0;
         LCS_DBF_TEXT(4,trace,"haltsch");
         LCS_DBF_TEXT_(4,trace,"%s", channel->ccwdev->dev.bus_id);
-        channel->state = CH_STATE_INIT;
+        channel->state = LCS_CH_STATE_INIT;
         spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags);
         rc = ccw_device_halt(channel->ccwdev, (addr_t) channel);
         spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags);
@@ -548,7 +550,7 @@ lcs_stop_channel(struct lcs_channel *channel)
                 return rc;
         }
         /* Asynchronous halt initialted. Wait for its completion. */
-        wait_event(channel->wait_q, (channel->state == CH_STATE_HALTED));
+        wait_event(channel->wait_q, (channel->state == LCS_CH_STATE_HALTED));
         lcs_clear_channel(channel);
         return 0;
 }
@@ -596,8 +598,8 @@ __lcs_get_buffer(struct lcs_channel *channel)
         LCS_DBF_TEXT(5, trace, "_getbuff");
         index = channel->io_idx;
         do {
-                if (channel->iob[index].state == BUF_STATE_EMPTY) {
-                        channel->iob[index].state = BUF_STATE_LOCKED;
+                if (channel->iob[index].state == LCS_BUF_STATE_EMPTY) {
+                        channel->iob[index].state = LCS_BUF_STATE_LOCKED;
                         return channel->iob + index;
                 }
                 index = (index + 1) & (LCS_NUM_BUFFS - 1);
@@ -626,7 +628,7 @@ __lcs_resume_channel(struct lcs_channel *channel)
 {
         int rc;
 
-        if (channel->state != CH_STATE_SUSPENDED)
+        if (channel->state != LCS_CH_STATE_SUSPENDED)
                 return 0;
         if (channel->ccws[channel->io_idx].flags & CCW_FLAG_SUSPEND)
                 return 0;
@@ -636,7 +638,7 @@ __lcs_resume_channel(struct lcs_channel *channel)
                 LCS_DBF_TEXT_(4, trace, "ersc%s", channel->ccwdev->dev.bus_id);
                 PRINT_ERR("Error in lcs_resume_channel: rc=%d\n",rc);
         } else
-                channel->state = CH_STATE_RUNNING;
+                channel->state = LCS_CH_STATE_RUNNING;
         return rc;
 
 }
@@ -670,10 +672,10 @@ lcs_ready_buffer(struct lcs_channel *channel, struct lcs_buffer *buffer)
         int index, rc;
 
         LCS_DBF_TEXT(5, trace, "rdybuff");
-        BUG_ON(buffer->state != BUF_STATE_LOCKED &&
-               buffer->state != BUF_STATE_PROCESSED);
+        BUG_ON(buffer->state != LCS_BUF_STATE_LOCKED &&
+               buffer->state != LCS_BUF_STATE_PROCESSED);
         spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags);
-        buffer->state = BUF_STATE_READY;
+        buffer->state = LCS_BUF_STATE_READY;
         index = buffer - channel->iob;
         /* Set length. */
         channel->ccws[index].count = buffer->count;
@@ -695,8 +697,8 @@ __lcs_processed_buffer(struct lcs_channel *channel, struct lcs_buffer *buffer)
         int index, prev, next;
 
         LCS_DBF_TEXT(5, trace, "prcsbuff");
-        BUG_ON(buffer->state != BUF_STATE_READY);
-        buffer->state = BUF_STATE_PROCESSED;
+        BUG_ON(buffer->state != LCS_BUF_STATE_READY);
+        buffer->state = LCS_BUF_STATE_PROCESSED;
         index = buffer - channel->iob;
         prev = (index - 1) & (LCS_NUM_BUFFS - 1);
         next = (index + 1) & (LCS_NUM_BUFFS - 1);
@@ -704,7 +706,7 @@ __lcs_processed_buffer(struct lcs_channel *channel, struct lcs_buffer *buffer)
         channel->ccws[index].flags |= CCW_FLAG_SUSPEND;
         channel->ccws[index].flags &= ~CCW_FLAG_PCI;
         /* Check the suspend bit of the previous buffer. */
-        if (channel->iob[prev].state == BUF_STATE_READY) {
+        if (channel->iob[prev].state == LCS_BUF_STATE_READY) {
                 /*
                  * Previous buffer is in state ready. It might have
                  * happened in lcs_ready_buffer that the suspend bit
@@ -727,10 +729,10 @@ lcs_release_buffer(struct lcs_channel *channel, struct lcs_buffer *buffer)
         unsigned long flags;
 
         LCS_DBF_TEXT(5, trace, "relbuff");
-        BUG_ON(buffer->state != BUF_STATE_LOCKED &&
-               buffer->state != BUF_STATE_PROCESSED);
+        BUG_ON(buffer->state != LCS_BUF_STATE_LOCKED &&
+               buffer->state != LCS_BUF_STATE_PROCESSED);
         spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags);
-        buffer->state = BUF_STATE_EMPTY;
+        buffer->state = LCS_BUF_STATE_EMPTY;
         spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags);
 }
 
@@ -1264,7 +1266,7 @@ lcs_register_mc_addresses(void *data)
         netif_carrier_off(card->dev);
         netif_tx_disable(card->dev);
         wait_event(card->write.wait_q,
-                        (card->write.state != CH_STATE_RUNNING));
+                        (card->write.state != LCS_CH_STATE_RUNNING));
         lcs_fix_multicast_list(card);
         if (card->state == DEV_STATE_UP) {
                 netif_carrier_on(card->dev);
@@ -1404,7 +1406,7 @@ lcs_irq(struct ccw_device *cdev, unsigned long intparm, struct irb *irb)
                 }
         }
         /* How far in the ccw chain have we processed? */
-        if ((channel->state != CH_STATE_INIT) &&
+        if ((channel->state != LCS_CH_STATE_INIT) &&
             (irb->scsw.fctl & SCSW_FCTL_START_FUNC)) {
                 index = (struct ccw1 *) __va((addr_t) irb->scsw.cpa)
                         - channel->ccws;
@@ -1424,20 +1426,20 @@ lcs_irq(struct ccw_device *cdev, unsigned long intparm, struct irb *irb)
             (irb->scsw.dstat & DEV_STAT_CHN_END) ||
             (irb->scsw.dstat & DEV_STAT_UNIT_CHECK))
                 /* Mark channel as stopped. */
-                channel->state = CH_STATE_STOPPED;
+                channel->state = LCS_CH_STATE_STOPPED;
         else if (irb->scsw.actl & SCSW_ACTL_SUSPENDED)
                 /* CCW execution stopped on a suspend bit. */
-                channel->state = CH_STATE_SUSPENDED;
+                channel->state = LCS_CH_STATE_SUSPENDED;
         if (irb->scsw.fctl & SCSW_FCTL_HALT_FUNC) {
                 if (irb->scsw.cc != 0) {
                         ccw_device_halt(channel->ccwdev, (addr_t) channel);
                         return;
                 }
                 /* The channel has been stopped by halt_IO. */
-                channel->state = CH_STATE_HALTED;
+                channel->state = LCS_CH_STATE_HALTED;
         }
         if (irb->scsw.fctl & SCSW_FCTL_CLEAR_FUNC) {
-                channel->state = CH_STATE_CLEARED;
+                channel->state = LCS_CH_STATE_CLEARED;
         }
         /* Do the rest in the tasklet. */
         tasklet_schedule(&channel->irq_tasklet);
@@ -1461,7 +1463,7 @@ lcs_tasklet(unsigned long data)
         /* Check for processed buffers. */
         iob = channel->iob;
         buf_idx = channel->buf_idx;
-        while (iob[buf_idx].state == BUF_STATE_PROCESSED) {
+        while (iob[buf_idx].state == LCS_BUF_STATE_PROCESSED) {
                 /* Do the callback thing. */
                 if (iob[buf_idx].callback != NULL)
                         iob[buf_idx].callback(channel, iob + buf_idx);
@@ -1469,12 +1471,12 @@ lcs_tasklet(unsigned long data)
         }
         channel->buf_idx = buf_idx;
 
-        if (channel->state == CH_STATE_STOPPED)
+        if (channel->state == LCS_CH_STATE_STOPPED)
                 // FIXME: what if rc != 0 ??
                 rc = lcs_start_channel(channel);
         spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags);
-        if (channel->state == CH_STATE_SUSPENDED &&
-            channel->iob[channel->io_idx].state == BUF_STATE_READY) {
+        if (channel->state == LCS_CH_STATE_SUSPENDED &&
+            channel->iob[channel->io_idx].state == LCS_BUF_STATE_READY) {
                 // FIXME: what if rc != 0 ??
                 rc = __lcs_resume_channel(channel);
         }
@@ -1689,8 +1691,8 @@ lcs_detect(struct lcs_card *card)
                 card->state = DEV_STATE_UP;
         } else {
                 card->state = DEV_STATE_DOWN;
-                card->write.state = CH_STATE_INIT;
-                card->read.state =  CH_STATE_INIT;
+                card->write.state = LCS_CH_STATE_INIT;
+                card->read.state =  LCS_CH_STATE_INIT;
         }
         return rc;
 }
@@ -1705,8 +1707,8 @@ lcs_stopcard(struct lcs_card *card)
 
         LCS_DBF_TEXT(3, setup, "stopcard");
 
-        if (card->read.state != CH_STATE_STOPPED &&
-            card->write.state != CH_STATE_STOPPED &&
+        if (card->read.state != LCS_CH_STATE_STOPPED &&
+            card->write.state != LCS_CH_STATE_STOPPED &&
             card->state == DEV_STATE_UP) {
                 lcs_clear_multicast_list(card);
                 rc = lcs_send_stoplan(card,LCS_INITIATOR_TCPIP);
@@ -1871,7 +1873,7 @@ lcs_stop_device(struct net_device *dev)
         netif_tx_disable(dev);
         dev->flags &= ~IFF_UP;
         wait_event(card->write.wait_q,
-                (card->write.state != CH_STATE_RUNNING));
+                (card->write.state != LCS_CH_STATE_RUNNING));
         rc = lcs_stopcard(card);
         if (rc)
                 PRINT_ERR("Try it again!\n ");
diff --git a/drivers/s390/net/lcs.h b/drivers/s390/net/lcs.h
index b5247dc08b57..0e1e4a0a88f0 100644
--- a/drivers/s390/net/lcs.h
+++ b/drivers/s390/net/lcs.h
@@ -23,11 +23,6 @@ do {                                       \
 } while (0)
 
 /**
- * some more definitions for debug or output stuff
- */
-#define PRINTK_HEADER           " lcs: "
-
-/**
  *      sysfs related stuff
  */
 #define CARD_FROM_DEV(cdev) \
@@ -127,22 +122,22 @@ do {                                       \
  * LCS Buffer states
  */
 enum lcs_buffer_states {
-        BUF_STATE_EMPTY,        /* buffer is empty */
-        BUF_STATE_LOCKED,       /* buffer is locked, don't touch */
-        BUF_STATE_READY,        /* buffer is ready for read/write */
-        BUF_STATE_PROCESSED,
+        LCS_BUF_STATE_EMPTY,    /* buffer is empty */
+        LCS_BUF_STATE_LOCKED,   /* buffer is locked, don't touch */
+        LCS_BUF_STATE_READY,    /* buffer is ready for read/write */
+        LCS_BUF_STATE_PROCESSED,
 };
 
 /**
  * LCS Channel State Machine declarations
  */
 enum lcs_channel_states {
-        CH_STATE_INIT,
-        CH_STATE_HALTED,
-        CH_STATE_STOPPED,
-        CH_STATE_RUNNING,
-        CH_STATE_SUSPENDED,
-        CH_STATE_CLEARED,
+        LCS_CH_STATE_INIT,
+        LCS_CH_STATE_HALTED,
+        LCS_CH_STATE_STOPPED,
+        LCS_CH_STATE_RUNNING,
+        LCS_CH_STATE_SUSPENDED,
+        LCS_CH_STATE_CLEARED,
 };
 
 /**
diff --git a/drivers/s390/net/qeth.h b/drivers/s390/net/qeth.h
index 821383d8cbe7..53c358c7d368 100644
--- a/drivers/s390/net/qeth.h
+++ b/drivers/s390/net/qeth.h
@@ -151,8 +151,6 @@ qeth_hex_dump(unsigned char *buf, size_t len)
 #define SENSE_RESETTING_EVENT_BYTE 1
 #define SENSE_RESETTING_EVENT_FLAG 0x80
 
-#define atomic_swap(a,b) xchg((int *)a.counter, b)
-
 /*
  * Common IO related definitions
  */
diff --git a/drivers/s390/net/qeth_main.c b/drivers/s390/net/qeth_main.c
index 8364d5475ac7..7fdc5272c446 100644
--- a/drivers/s390/net/qeth_main.c
+++ b/drivers/s390/net/qeth_main.c
@@ -2982,7 +2982,7 @@ qeth_check_outbound_queue(struct qeth_qdio_out_q *queue)
          */
         if ((atomic_read(&queue->used_buffers) <= QETH_LOW_WATERMARK_PACK) ||
             !atomic_read(&queue->set_pci_flags_count)){
-                if (atomic_swap(&queue->state, QETH_OUT_Q_LOCKED_FLUSH) ==
+                if (atomic_xchg(&queue->state, QETH_OUT_Q_LOCKED_FLUSH) ==
                                 QETH_OUT_Q_UNLOCKED) {
                         /*
                          * If we get in here, there was no action in
@@ -3245,7 +3245,7 @@ qeth_free_qdio_buffers(struct qeth_card *card)
         int i, j;
 
         QETH_DBF_TEXT(trace, 2, "freeqdbf");
-        if (atomic_swap(&card->qdio.state, QETH_QDIO_UNINITIALIZED) ==
+        if (atomic_xchg(&card->qdio.state, QETH_QDIO_UNINITIALIZED) ==
                 QETH_QDIO_UNINITIALIZED)
                 return;
         kfree(card->qdio.in_q);
@@ -4366,7 +4366,7 @@ out:
         if (flush_count)
                 qeth_flush_buffers(queue, 0, start_index, flush_count);
         else if (!atomic_read(&queue->set_pci_flags_count))
-                atomic_swap(&queue->state, QETH_OUT_Q_LOCKED_FLUSH);
+                atomic_xchg(&queue->state, QETH_OUT_Q_LOCKED_FLUSH);
         /*
          * queue->state will go from LOCKED -> UNLOCKED or from
          * LOCKED_FLUSH -> LOCKED if output_handler wanted to 'notify' us