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

Conflicts:

	net/mac80211/mlme.c

7 files changed, 47 insertions, 112 deletions

diff --git a/drivers/media/video/cx18/cx18-av-firmware.c b/drivers/media/video/cx18/cx18-av-firmware.c
index 834b9248242e..e996a4e3123a 100644
--- a/drivers/media/video/cx18/cx18-av-firmware.c
+++ b/drivers/media/video/cx18/cx18-av-firmware.c
@@ -32,7 +32,7 @@ int cx18_av_loadfw(struct cx18 *cx)
         u32 v;
         const u8 *ptr;
         int i;
-        int retries = 0;
+        int retries1 = 0;
 
         if (request_firmware(&fw, FWFILE, &cx->dev->dev) != 0) {
                 CX18_ERR("unable to open firmware %s\n", FWFILE);
@@ -41,7 +41,7 @@ int cx18_av_loadfw(struct cx18 *cx)
 
         /* The firmware load often has byte errors, so allow for several
            retries, both at byte level and at the firmware load level. */
-        while (retries < 5) {
+        while (retries1 < 5) {
                 cx18_av_write4(cx, CXADEC_CHIP_CTRL, 0x00010000);
                 cx18_av_write(cx, CXADEC_STD_DET_CTL, 0xf6);
 
@@ -57,9 +57,9 @@ int cx18_av_loadfw(struct cx18 *cx)
                 for (i = 0; i < size; i++) {
                         u32 dl_control = 0x0F000000 | i | ((u32)ptr[i] << 16);
                         u32 value = 0;
-                        int retries;
+                        int retries2;
 
-                        for (retries = 0; retries < 5; retries++) {
+                        for (retries2 = 0; retries2 < 5; retries2++) {
                                 cx18_av_write4(cx, CXADEC_DL_CTL, dl_control);
                                 udelay(10);
                                 value = cx18_av_read4(cx, CXADEC_DL_CTL);
@@ -69,18 +69,18 @@ int cx18_av_loadfw(struct cx18 *cx)
                                    the address.  We can only write the lower
                                    address byte of the address. */
                                 if ((value & 0x3F00) != (dl_control & 0x3F00)) {
-                                        retries = 5;
+                                        retries2 = 5;
                                         break;
                                 }
                         }
-                        if (retries >= 5)
+                        if (retries2 >= 5)
                                 break;
                 }
                 if (i == size)
                         break;
-                retries++;
+                retries1++;
         }
-        if (retries >= 5) {
+        if (retries1 >= 5) {
                 CX18_ERR("unable to load firmware %s\n", FWFILE);
                 release_firmware(fw);
                 return -EIO;
diff --git a/drivers/media/video/cx18/cx18-driver.c b/drivers/media/video/cx18/cx18-driver.c
index 22434aadde31..bd18afebbf86 100644
--- a/drivers/media/video/cx18/cx18-driver.c
+++ b/drivers/media/video/cx18/cx18-driver.c
@@ -74,9 +74,9 @@ static int radio[CX18_MAX_CARDS] = { -1, -1, -1, -1, -1, -1, -1, -1,
                                      -1, -1, -1, -1, -1, -1, -1, -1,
                                      -1, -1, -1, -1, -1, -1, -1, -1 };
 
-static int cardtype_c = 1;
-static int tuner_c = 1;
-static int radio_c = 1;
+static unsigned cardtype_c = 1;
+static unsigned tuner_c = 1;
+static unsigned radio_c = 1;
 static char pal[] = "--";
 static char secam[] = "--";
 static char ntsc[] = "-";
diff --git a/drivers/media/video/cx18/cx18-dvb.c b/drivers/media/video/cx18/cx18-dvb.c
index cae38985b131..1e420a804fc9 100644
--- a/drivers/media/video/cx18/cx18-dvb.c
+++ b/drivers/media/video/cx18/cx18-dvb.c
@@ -1,7 +1,7 @@
 /*
  *  cx18 functions for DVB support
  *
- *  Copyright (c) 2008 Steven Toth <stoth@hauppauge.com>
+ *  Copyright (c) 2008 Steven Toth <stoth@linuxtv.org>
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
diff --git a/drivers/media/video/cx18/cx18-dvb.h b/drivers/media/video/cx18/cx18-dvb.h
index d6a6ccda79a9..bf8d8f6f5455 100644
--- a/drivers/media/video/cx18/cx18-dvb.h
+++ b/drivers/media/video/cx18/cx18-dvb.h
@@ -1,7 +1,7 @@
 /*
  *  cx18 functions for DVB support
  *
- *  Copyright (c) 2008 Steven Toth <stoth@hauppauge.com>
+ *  Copyright (c) 2008 Steven Toth <stoth@linuxtv.org>
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
diff --git a/drivers/media/video/cx18/cx18-irq.c b/drivers/media/video/cx18/cx18-irq.c
index 25114a5cbd57..ab218315c84b 100644
--- a/drivers/media/video/cx18/cx18-irq.c
+++ b/drivers/media/video/cx18/cx18-irq.c
@@ -61,7 +61,7 @@ static void epu_dma_done(struct cx18 *cx, struct cx18_mailbox *mb)
                 CX18_WARN("Ack struct = %d for %s\n",
                         mb->args[2], s->name);
         id = read_enc(off);
-        buf = cx18_queue_find_buf(s, id, read_enc(off + 4));
+        buf = cx18_queue_get_buf_irq(s, id, read_enc(off + 4));
         CX18_DEBUG_HI_DMA("DMA DONE for %s (buffer %d)\n", s->name, id);
         if (buf) {
                 cx18_buf_sync_for_cpu(s, buf);
diff --git a/drivers/media/video/cx18/cx18-queue.c b/drivers/media/video/cx18/cx18-queue.c
index 6990b77c6200..dbe792ac3001 100644
--- a/drivers/media/video/cx18/cx18-queue.c
+++ b/drivers/media/video/cx18/cx18-queue.c
@@ -78,12 +78,13 @@ struct cx18_buffer *cx18_dequeue(struct cx18_stream *s, struct cx18_queue *q)
         return buf;
 }
 
-struct cx18_buffer *cx18_queue_find_buf(struct cx18_stream *s, u32 id,
+struct cx18_buffer *cx18_queue_get_buf_irq(struct cx18_stream *s, u32 id,
         u32 bytesused)
 {
         struct cx18 *cx = s->cx;
         struct list_head *p;
 
+        spin_lock(&s->qlock);
         list_for_each(p, &s->q_free.list) {
                 struct cx18_buffer *buf =
                         list_entry(p, struct cx18_buffer, list);
@@ -92,114 +93,48 @@ struct cx18_buffer *cx18_queue_find_buf(struct cx18_stream *s, u32 id,
                         continue;
                 buf->bytesused = bytesused;
                 /* the transport buffers are handled differently,
-                   so there is no need to move them to the full queue */
-                if (s->type == CX18_ENC_STREAM_TYPE_TS)
-                        return buf;
-                s->q_free.buffers--;
-                s->q_free.length -= s->buf_size;
-                s->q_full.buffers++;
-                s->q_full.length += s->buf_size;
-                s->q_full.bytesused += buf->bytesused;
-                list_move_tail(&buf->list, &s->q_full.list);
+                   they are not moved to the full queue */
+                if (s->type != CX18_ENC_STREAM_TYPE_TS) {
+                        s->q_free.buffers--;
+                        s->q_free.length -= s->buf_size;
+                        s->q_full.buffers++;
+                        s->q_full.length += s->buf_size;
+                        s->q_full.bytesused += buf->bytesused;
+                        list_move_tail(&buf->list, &s->q_full.list);
+                }
+                spin_unlock(&s->qlock);
                 return buf;
         }
+        spin_unlock(&s->qlock);
         CX18_ERR("Cannot find buffer %d for stream %s\n", id, s->name);
         return NULL;
 }
 
-static void cx18_queue_move_buf(struct cx18_stream *s, struct cx18_queue *from,
-                struct cx18_queue *to, int clear, int full)
-{
-        struct cx18_buffer *buf =
-                list_entry(from->list.next, struct cx18_buffer, list);
-
-        list_move_tail(from->list.next, &to->list);
-        from->buffers--;
-        from->length -= s->buf_size;
-        from->bytesused -= buf->bytesused - buf->readpos;
-        /* special handling for q_free */
-        if (clear)
-                buf->bytesused = buf->readpos = buf->b_flags = 0;
-        else if (full) {
-                /* special handling for stolen buffers, assume
-                   all bytes are used. */
-                buf->bytesused = s->buf_size;
-                buf->readpos = buf->b_flags = 0;
-        }
-        to->buffers++;
-        to->length += s->buf_size;
-        to->bytesused += buf->bytesused - buf->readpos;
-}
-
-/* Move 'needed_bytes' worth of buffers from queue 'from' into queue 'to'.
-   If 'needed_bytes' == 0, then move all buffers from 'from' into 'to'.
-   If 'steal' != NULL, then buffers may also taken from that queue if
-   needed.
-
-   The buffer is automatically cleared if it goes to the free queue. It is
-   also cleared if buffers need to be taken from the 'steal' queue and
-   the 'from' queue is the free queue.
-
-   When 'from' is q_free, then needed_bytes is compared to the total
-   available buffer length, otherwise needed_bytes is compared to the
-   bytesused value. For the 'steal' queue the total available buffer
-   length is always used.
-
-   -ENOMEM is returned if the buffers could not be obtained, 0 if all
-   buffers where obtained from the 'from' list and if non-zero then
-   the number of stolen buffers is returned. */
-static int cx18_queue_move(struct cx18_stream *s, struct cx18_queue *from,
-                           struct cx18_queue *steal, struct cx18_queue *to,
-                           int needed_bytes)
+/* Move all buffers of a queue to q_free, while flushing the buffers */
+static void cx18_queue_flush(struct cx18_stream *s, struct cx18_queue *q)
 {
         unsigned long flags;
-        int rc = 0;
-        int from_free = from == &s->q_free;
-        int to_free = to == &s->q_free;
-        int bytes_available;
-
-        spin_lock_irqsave(&s->qlock, flags);
-        if (needed_bytes == 0) {
-                from_free = 1;
-                needed_bytes = from->length;
-        }
-
-        bytes_available = from_free ? from->length : from->bytesused;
-        bytes_available += steal ? steal->length : 0;
+        struct cx18_buffer *buf;
 
-        if (bytes_available < needed_bytes) {
-                spin_unlock_irqrestore(&s->qlock, flags);
-                return -ENOMEM;
-        }
-        if (from_free) {
-                u32 old_length = to->length;
+        if (q == &s->q_free)
+                return;
 
-                while (to->length - old_length < needed_bytes) {
-                        if (list_empty(&from->list))
-                                from = steal;
-                        if (from == steal)
-                                rc++;   /* keep track of 'stolen' buffers */
-                        cx18_queue_move_buf(s, from, to, 1, 0);
-                }
-        } else {
-                u32 old_bytesused = to->bytesused;
-
-                while (to->bytesused - old_bytesused < needed_bytes) {
-                        if (list_empty(&from->list))
-                                from = steal;
-                        if (from == steal)
-                                rc++;   /* keep track of 'stolen' buffers */
-                        cx18_queue_move_buf(s, from, to, to_free, rc);
-                }
+        spin_lock_irqsave(&s->qlock, flags);
+        while (!list_empty(&q->list)) {
+                buf = list_entry(q->list.next, struct cx18_buffer, list);
+                list_move_tail(q->list.next, &s->q_free.list);
+                buf->bytesused = buf->readpos = buf->b_flags = 0;
+                s->q_free.buffers++;
+                s->q_free.length += s->buf_size;
         }
+        cx18_queue_init(q);
         spin_unlock_irqrestore(&s->qlock, flags);
-        return rc;
 }
 
 void cx18_flush_queues(struct cx18_stream *s)
 {
-        cx18_queue_move(s, &s->q_io, NULL, &s->q_free, 0);
-        cx18_queue_move(s, &s->q_full, NULL, &s->q_free, 0);
+        cx18_queue_flush(s, &s->q_io);
+        cx18_queue_flush(s, &s->q_full);
 }
 
 int cx18_stream_alloc(struct cx18_stream *s)
@@ -214,10 +149,10 @@ int cx18_stream_alloc(struct cx18_stream *s)
                 s->name, s->buffers, s->buf_size,
                 s->buffers * s->buf_size / 1024);
 
-        if (((char *)&cx->scb->cpu_mdl[cx->mdl_offset + s->buffers] -
-                                (char *)cx->scb) > SCB_RESERVED_SIZE) {
-                unsigned bufsz = (((char *)cx->scb) + SCB_RESERVED_SIZE -
-                                        ((char *)cx->scb->cpu_mdl));
+        if (((char __iomem *)&cx->scb->cpu_mdl[cx->mdl_offset + s->buffers] -
+                                (char __iomem *)cx->scb) > SCB_RESERVED_SIZE) {
+                unsigned bufsz = (((char __iomem *)cx->scb) + SCB_RESERVED_SIZE -
+                                        ((char __iomem *)cx->scb->cpu_mdl));
 
                 CX18_ERR("Too many buffers, cannot fit in SCB area\n");
                 CX18_ERR("Max buffers = %zd\n",
diff --git a/drivers/media/video/cx18/cx18-queue.h b/drivers/media/video/cx18/cx18-queue.h
index 91423b9863a4..7f93bb13c09f 100644
--- a/drivers/media/video/cx18/cx18-queue.h
+++ b/drivers/media/video/cx18/cx18-queue.h
@@ -46,7 +46,7 @@ void cx18_queue_init(struct cx18_queue *q);
 void cx18_enqueue(struct cx18_stream *s, struct cx18_buffer *buf,
         struct cx18_queue *q);
 struct cx18_buffer *cx18_dequeue(struct cx18_stream *s, struct cx18_queue *q);
-struct cx18_buffer *cx18_queue_find_buf(struct cx18_stream *s, u32 id,
+struct cx18_buffer *cx18_queue_get_buf_irq(struct cx18_stream *s, u32 id,
         u32 bytesused);
 void cx18_flush_queues(struct cx18_stream *s);