Merge branch 'linus' into tracing/core

Merge reason: tracing/core was on a .30-rc1 base and was missing out on
              on a handful of tracing fixes present in .30-rc5-almost.

Signed-off-by: Ingo Molnar <mingo@elte.hu>

15 files changed, 81 insertions, 111 deletions

diff --git a/sound/usb/caiaq/Makefile b/sound/usb/caiaq/Makefile
index 23dadd5a11cd..388999653aaa 100644
--- a/sound/usb/caiaq/Makefile
+++ b/sound/usb/caiaq/Makefile
@@ -1,4 +1,4 @@
-snd-usb-caiaq-y := caiaq-device.o caiaq-audio.o caiaq-midi.o caiaq-control.o
-snd-usb-caiaq-$(CONFIG_SND_USB_CAIAQ_INPUT) += caiaq-input.o
+snd-usb-caiaq-y := device.o audio.o midi.o control.o
+snd-usb-caiaq-$(CONFIG_SND_USB_CAIAQ_INPUT) += input.o
 
 obj-$(CONFIG_SND_USB_CAIAQ) += snd-usb-caiaq.o
diff --git a/sound/usb/caiaq/caiaq-audio.c b/sound/usb/caiaq/audio.c
index 08d51e0c9fea..b13ce767ac72 100644
--- a/sound/usb/caiaq/caiaq-audio.c
+++ b/sound/usb/caiaq/audio.c
@@ -16,20 +16,14 @@
  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 */
 
+#include <linux/spinlock.h>
 #include <linux/init.h>
-#include <linux/module.h>
-#include <linux/moduleparam.h>
-#include <linux/interrupt.h>
 #include <linux/usb.h>
-#include <linux/spinlock.h>
 #include <sound/core.h>
-#include <sound/initval.h>
 #include <sound/pcm.h>
-#include <sound/rawmidi.h>
-#include <linux/input.h>
 
-#include "caiaq-device.h"
-#include "caiaq-audio.h"
+#include "device.h"
+#include "audio.h"
 
 #define N_URBS			32
 #define CLOCK_DRIFT_TOLERANCE	5
@@ -201,11 +195,14 @@ static int snd_usb_caiaq_pcm_prepare(struct snd_pcm_substream *substream)
 
 	debug("%s(%p)\n", __func__, substream);
 	
-	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+		dev->period_out_count[index] = BYTES_PER_SAMPLE + 1;
 		dev->audio_out_buf_pos[index] = BYTES_PER_SAMPLE + 1;
-	else
+	} else {
+		dev->period_in_count[index] = BYTES_PER_SAMPLE;
 		dev->audio_in_buf_pos[index] = BYTES_PER_SAMPLE;
-	
+	}
+
 	if (dev->streaming)
 		return 0;
 	
@@ -306,8 +303,7 @@ static void check_for_elapsed_periods(struct snd_usb_caiaqdev *dev,
 		if (!sub)
 			continue;
 
-		pb = frames_to_bytes(sub->runtime, 
-				     sub->runtime->period_size);
+		pb = snd_pcm_lib_period_bytes(sub);
 		cnt = (sub->stream == SNDRV_PCM_STREAM_PLAYBACK) ?
 					&dev->period_out_count[stream] :
 					&dev->period_in_count[stream];
diff --git a/sound/usb/caiaq/caiaq-audio.h b/sound/usb/caiaq/audio.h
index 8ab1f8d9529e..8ab1f8d9529e 100644
--- a/sound/usb/caiaq/caiaq-audio.h
+++ b/sound/usb/caiaq/audio.h
diff --git a/sound/usb/caiaq/caiaq-control.c b/sound/usb/caiaq/control.c
index e92c2bbf4fe9..537102ba6b9d 100644
--- a/sound/usb/caiaq/caiaq-control.c
+++ b/sound/usb/caiaq/control.c
@@ -18,17 +18,13 @@
  */
 
 #include <linux/init.h>
-#include <linux/interrupt.h>
 #include <linux/usb.h>
+#include <sound/control.h>
 #include <sound/core.h>
-#include <sound/initval.h>
 #include <sound/pcm.h>
-#include <sound/rawmidi.h>
-#include <sound/control.h>
-#include <linux/input.h>
 
-#include "caiaq-device.h"
-#include "caiaq-control.h"
+#include "device.h"
+#include "control.h"
 
 #define CNT_INTVAL 0x10000
 
diff --git a/sound/usb/caiaq/caiaq-control.h b/sound/usb/caiaq/control.h
index 2e7ab1aa4fb3..2e7ab1aa4fb3 100644
--- a/sound/usb/caiaq/caiaq-control.h
+++ b/sound/usb/caiaq/control.h
diff --git a/sound/usb/caiaq/caiaq-device.c b/sound/usb/caiaq/device.c
index cf573a982fdc..515de1cd2a3e 100644
--- a/sound/usb/caiaq/caiaq-device.c
+++ b/sound/usb/caiaq/device.c
@@ -19,30 +19,23 @@
  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 */
 
-#include <linux/init.h>
-#include <linux/module.h>
 #include <linux/moduleparam.h>
 #include <linux/interrupt.h>
+#include <linux/module.h>
+#include <linux/init.h>
 #include <linux/usb.h>
-#include <linux/input.h>
-#include <linux/spinlock.h>
-#include <sound/core.h>
 #include <sound/initval.h>
+#include <sound/core.h>
 #include <sound/pcm.h>
-#include <sound/rawmidi.h>
-#include <sound/control.h>
-
-#include "caiaq-device.h"
-#include "caiaq-audio.h"
-#include "caiaq-midi.h"
-#include "caiaq-control.h"
 
-#ifdef CONFIG_SND_USB_CAIAQ_INPUT
-#include "caiaq-input.h"
-#endif
+#include "device.h"
+#include "audio.h"
+#include "midi.h"
+#include "control.h"
+#include "input.h"
 
 MODULE_AUTHOR("Daniel Mack <daniel@caiaq.de>");
-MODULE_DESCRIPTION("caiaq USB audio, version 1.3.13");
+MODULE_DESCRIPTION("caiaq USB audio, version 1.3.14");
 MODULE_LICENSE("GPL");
 MODULE_SUPPORTED_DEVICE("{{Native Instruments, RigKontrol2},"
 			 "{Native Instruments, RigKontrol3},"
diff --git a/sound/usb/caiaq/caiaq-device.h b/sound/usb/caiaq/device.h
index 4cce1ad7493d..4cce1ad7493d 100644
--- a/sound/usb/caiaq/caiaq-device.h
+++ b/sound/usb/caiaq/device.h
diff --git a/sound/usb/caiaq/caiaq-input.c b/sound/usb/caiaq/input.c
index f743847a5e5a..a48d309bd94c 100644
--- a/sound/usb/caiaq/caiaq-input.c
+++ b/sound/usb/caiaq/input.c
@@ -17,17 +17,12 @@
 */
 
 #include <linux/init.h>
-#include <linux/module.h>
-#include <linux/moduleparam.h>
-#include <linux/input.h>
 #include <linux/usb.h>
 #include <linux/usb/input.h>
-#include <linux/spinlock.h>
-#include <sound/core.h>
-#include <sound/rawmidi.h>
 #include <sound/pcm.h>
-#include "caiaq-device.h"
-#include "caiaq-input.h"
+
+#include "device.h"
+#include "input.h"
 
 static unsigned short keycode_ak1[] =  { KEY_C, KEY_B, KEY_A };
 static unsigned short keycode_rk2[] =  { KEY_1, KEY_2, KEY_3, KEY_4,
diff --git a/sound/usb/caiaq/caiaq-input.h b/sound/usb/caiaq/input.h
index ced535577864..ced535577864 100644
--- a/sound/usb/caiaq/caiaq-input.h
+++ b/sound/usb/caiaq/input.h
diff --git a/sound/usb/caiaq/caiaq-midi.c b/sound/usb/caiaq/midi.c
index f19fd360c936..8fa8cd88d763 100644
--- a/sound/usb/caiaq/caiaq-midi.c
+++ b/sound/usb/caiaq/midi.c
@@ -16,20 +16,13 @@
  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 */
 
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/moduleparam.h>
-#include <linux/interrupt.h>
 #include <linux/usb.h>
-#include <linux/input.h>
-#include <linux/spinlock.h>
-#include <sound/core.h>
 #include <sound/rawmidi.h>
+#include <sound/core.h>
 #include <sound/pcm.h>
 
-#include "caiaq-device.h"
-#include "caiaq-midi.h"
-
+#include "device.h"
+#include "midi.h"
 
 static int snd_usb_caiaq_midi_input_open(struct snd_rawmidi_substream *substream)
 {
diff --git a/sound/usb/caiaq/caiaq-midi.h b/sound/usb/caiaq/midi.h
index 9d16db027fc3..9d16db027fc3 100644
--- a/sound/usb/caiaq/caiaq-midi.h
+++ b/sound/usb/caiaq/midi.h
diff --git a/sound/usb/usx2y/us122l.c b/sound/usb/usx2y/us122l.c
index 98276aafefe6..a5aae9d67f31 100644
--- a/sound/usb/usx2y/us122l.c
+++ b/sound/usb/usx2y/us122l.c
@@ -349,14 +349,10 @@ static int usb_stream_hwdep_ioctl(struct snd_hwdep *hw, struct file *file,
 	if (cmd != SNDRV_USB_STREAM_IOCTL_SET_PARAMS)
 		return -ENOTTY;
 
-	cfg = kmalloc(sizeof(*cfg), GFP_KERNEL);
-	if (!cfg)
-		return -ENOMEM;
+	cfg = memdup_user((void *)arg, sizeof(*cfg));
+	if (IS_ERR(cfg))
+		return PTR_ERR(cfg);
 
-	if (copy_from_user(cfg, (void *)arg, sizeof(*cfg))) {
-		err = -EFAULT;
-		goto free;
-	}
 	if (cfg->version != USB_STREAM_INTERFACE_VERSION) {
 		err = -ENXIO;
 		goto free;
@@ -478,6 +474,14 @@ static bool us122l_create_card(struct snd_card *card)
 	return true;
 }
 
+static void snd_us122l_free(struct snd_card *card)
+{
+	struct us122l	*us122l = US122L(card);
+	int		index = us122l->chip.index;
+	if (index >= 0  &&  index < SNDRV_CARDS)
+		snd_us122l_card_used[index] = 0;
+}
+
 static int usx2y_create_card(struct usb_device *device, struct snd_card **cardp)
 {
 	int		dev;
@@ -494,7 +498,7 @@ static int usx2y_create_card(struct usb_device *device, struct snd_card **cardp)
 	if (err < 0)
 		return err;
 	snd_us122l_card_used[US122L(card)->chip.index = dev] = 1;
-
+	card->private_free = snd_us122l_free;
 	US122L(card)->chip.dev = device;
 	US122L(card)->chip.card = card;
 	mutex_init(&US122L(card)->mutex);
@@ -588,7 +592,7 @@ static void snd_us122l_disconnect(struct usb_interface *intf)
 	}
 
 	usb_put_intf(intf);
-	usb_put_dev(US122L(card)->chip.dev);
+	usb_put_dev(us122l->chip.dev);
 
 	while (atomic_read(&us122l->mmap_count))
 		msleep(500);
diff --git a/sound/usb/usx2y/usX2Yhwdep.c b/sound/usb/usx2y/usX2Yhwdep.c
index 4af8740db717..f3d8f71265dd 100644
--- a/sound/usb/usx2y/usX2Yhwdep.c
+++ b/sound/usb/usx2y/usX2Yhwdep.c
@@ -203,13 +203,12 @@ static int snd_usX2Y_hwdep_dsp_load(struct snd_hwdep *hw,
 
 	if (access_ok(VERIFY_READ, dsp->image, dsp->length)) {
 		struct usb_device* dev = priv->chip.dev;
-		char *buf = kmalloc(dsp->length, GFP_KERNEL);
-		if (!buf)
-			return -ENOMEM;
-		if (copy_from_user(buf, dsp->image, dsp->length)) {
-			kfree(buf);
-			return -EFAULT;
-		}
+		char *buf;
+
+		buf = memdup_user(dsp->image, dsp->length);
+		if (IS_ERR(buf))
+			return PTR_ERR(buf);
+
 		err = usb_set_interface(dev, 0, 1);
 		if (err)
 			snd_printk(KERN_ERR "usb_set_interface error \n");
diff --git a/sound/usb/usx2y/usb_stream.c b/sound/usb/usx2y/usb_stream.c
index 24393dafcb6e..12ae0340adc0 100644
--- a/sound/usb/usx2y/usb_stream.c
+++ b/sound/usb/usx2y/usb_stream.c
@@ -33,32 +33,26 @@ static unsigned usb_stream_next_packet_size(struct usb_stream_kernel *sk)
 static void playback_prep_freqn(struct usb_stream_kernel *sk, struct urb *urb)
 {
 	struct usb_stream *s = sk->s;
-	unsigned l = 0;
-	int pack;
-
-	urb->iso_frame_desc[0].offset = 0;
-	urb->iso_frame_desc[0].length =	usb_stream_next_packet_size(sk);
-	sk->out_phase = sk->out_phase_peeked;
-	urb->transfer_buffer_length = urb->iso_frame_desc[0].length;
-
-	for (pack = 1; pack < sk->n_o_ps; pack++) {
-		l = usb_stream_next_packet_size(sk);
-		if (s->idle_outsize + urb->transfer_buffer_length + l >
-		    s->period_size)
+	int pack, lb = 0;
+
+	for (pack = 0; pack < sk->n_o_ps; pack++) {
+		int l = usb_stream_next_packet_size(sk);
+		if (s->idle_outsize + lb + l > s->period_size)
 			goto check;
 
 		sk->out_phase = sk->out_phase_peeked;
-		urb->iso_frame_desc[pack].offset = urb->transfer_buffer_length;
+		urb->iso_frame_desc[pack].offset = lb;
 		urb->iso_frame_desc[pack].length = l;
-		urb->transfer_buffer_length += l;
+		lb += l;
 	}
-	snd_printdd(KERN_DEBUG "%i\n", urb->transfer_buffer_length);
+	snd_printdd(KERN_DEBUG "%i\n", lb);
 
 check:
 	urb->number_of_packets = pack;
-	s->idle_outsize += urb->transfer_buffer_length - s->period_size;
+	urb->transfer_buffer_length = lb;
+	s->idle_outsize += lb - s->period_size;
 	snd_printdd(KERN_DEBUG "idle=%i ul=%i ps=%i\n", s->idle_outsize,
-		    urb->transfer_buffer_length, s->period_size);
+		    lb, s->period_size);
 }
 
 static void init_pipe_urbs(struct usb_stream_kernel *sk, unsigned use_packsize,
@@ -282,21 +276,20 @@ static int usb_stream_prepare_playback(struct usb_stream_kernel *sk,
 	struct usb_stream *s = sk->s;
 	struct urb *io;
 	struct usb_iso_packet_descriptor *id, *od;
-	int p, l = 0;
+	int p = 0, lb = 0, l = 0;
 
 	io = sk->idle_outurb;
 	od = io->iso_frame_desc;
-	io->transfer_buffer_length = 0;
 
-	for (p = 0; s->sync_packet < 0; ++p, ++s->sync_packet) {
+	for (; s->sync_packet < 0; ++p, ++s->sync_packet) {
 		struct urb *ii = sk->completed_inurb;
 		id = ii->iso_frame_desc +
 			ii->number_of_packets + s->sync_packet;
 		l = id->actual_length;
 
 		od[p].length = l;
-		od[p].offset = io->transfer_buffer_length;
-		io->transfer_buffer_length += l;
+		od[p].offset = lb;
+		lb += l;
 	}
 
 	for (;
@@ -304,38 +297,38 @@ static int usb_stream_prepare_playback(struct usb_stream_kernel *sk,
 	     ++p, ++s->sync_packet) {
 		l = inurb->iso_frame_desc[s->sync_packet].actual_length;
 
-		if (s->idle_outsize + io->transfer_buffer_length + l >
-		    s->period_size)
+		if (s->idle_outsize + lb + l > s->period_size)
 			goto check_ok;
 
 		od[p].length = l;
-		od[p].offset = io->transfer_buffer_length;
-		io->transfer_buffer_length += l;
+		od[p].offset = lb;
+		lb += l;
 	}
 
 check_ok:
 	s->sync_packet -= inurb->number_of_packets;
-	if (s->sync_packet < -2 || s->sync_packet > 0) {
+	if (unlikely(s->sync_packet < -2 || s->sync_packet > 0)) {
 		snd_printk(KERN_WARNING "invalid sync_packet = %i;"
 			   " p=%i nop=%i %i %x %x %x > %x\n",
 			   s->sync_packet, p, inurb->number_of_packets,
-			   s->idle_outsize + io->transfer_buffer_length + l,
-			   s->idle_outsize, io->transfer_buffer_length,  l,
+			   s->idle_outsize + lb + l,
+			   s->idle_outsize, lb,  l,
 			   s->period_size);
 		return -1;
 	}
-	if (io->transfer_buffer_length % s->cfg.frame_size) {
+	if (unlikely(lb % s->cfg.frame_size)) {
 		snd_printk(KERN_WARNING"invalid outsize = %i\n",
-			   io->transfer_buffer_length);
+			   lb);
 		return -1;
 	}
-	s->idle_outsize += io->transfer_buffer_length - s->period_size;
+	s->idle_outsize += lb - s->period_size;
 	io->number_of_packets = p;
-	if (s->idle_outsize > 0) {
-		snd_printk(KERN_WARNING "idle=%i\n", s->idle_outsize);
-		return -1;
-	}
-	return 0;
+	io->transfer_buffer_length = lb;
+	if (s->idle_outsize <= 0)
+		return 0;
+
+	snd_printk(KERN_WARNING "idle=%i\n", s->idle_outsize);
+	return -1;
 }
 
 static void prepare_inurb(int number_of_packets, struct urb *iu)
diff --git a/sound/usb/usx2y/usbusx2yaudio.c b/sound/usb/usx2y/usbusx2yaudio.c
index 9a608fa85155..dd1ab6177840 100644
--- a/sound/usb/usx2y/usbusx2yaudio.c
+++ b/sound/usb/usx2y/usbusx2yaudio.c
@@ -870,7 +870,8 @@ static struct snd_pcm_hardware snd_usX2Y_2c =
 {
 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
-				 SNDRV_PCM_INFO_MMAP_VALID),
+				 SNDRV_PCM_INFO_MMAP_VALID |
+				 SNDRV_PCM_INFO_BATCH),
 	.formats =                 SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_3LE,
 	.rates =                   SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000,
 	.rate_min =                44100,