Merged patch 3310 at tip

Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

9 files changed, 42 insertions, 25 deletions

diff --git a/linux/drivers/media/dvb/dvb-usb/cxusb.c b/linux/drivers/media/dvb/dvb-usb/cxusb.c
index 1c249d950..28e2e5b45 100644
--- a/linux/drivers/media/dvb/dvb-usb/cxusb.c
+++ b/linux/drivers/media/dvb/dvb-usb/cxusb.c
@@ -77,7 +77,7 @@ static int cxusb_i2c_xfer(struct i2c_adapter *adap,struct i2c_msg msg[],int num)
 	struct dvb_usb_device *d = i2c_get_adapdata(adap);
 	int i;
 
-	if (down_interruptible(&d->i2c_sem) < 0)
+	if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
 		return -EAGAIN;
 
 	if (num > 2)
@@ -126,7 +126,7 @@ static int cxusb_i2c_xfer(struct i2c_adapter *adap,struct i2c_msg msg[],int num)
 		}
 	}
 
-	up(&d->i2c_sem);
+	mutex_unlock(&d->i2c_mutex);
 	return i;
 }
 
diff --git a/linux/drivers/media/dvb/dvb-usb/dibusb-common.c b/linux/drivers/media/dvb/dvb-usb/dibusb-common.c
index 269d899da..2d52b7667 100644
--- a/linux/drivers/media/dvb/dvb-usb/dibusb-common.c
+++ b/linux/drivers/media/dvb/dvb-usb/dibusb-common.c
@@ -128,7 +128,7 @@ static int dibusb_i2c_xfer(struct i2c_adapter *adap,struct i2c_msg msg[],int num
 	struct dvb_usb_device *d = i2c_get_adapdata(adap);
 	int i;
 
-	if (down_interruptible(&d->i2c_sem) < 0)
+	if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
 		return -EAGAIN;
 
 	if (num > 2)
@@ -146,7 +146,7 @@ static int dibusb_i2c_xfer(struct i2c_adapter *adap,struct i2c_msg msg[],int num
 				break;
 	}
 
-	up(&d->i2c_sem);
+	mutex_unlock(&d->i2c_mutex);
 	return i;
 }
 
diff --git a/linux/drivers/media/dvb/dvb-usb/digitv.c b/linux/drivers/media/dvb/dvb-usb/digitv.c
index 38639b3c8..c2950c6e9 100644
--- a/linux/drivers/media/dvb/dvb-usb/digitv.c
+++ b/linux/drivers/media/dvb/dvb-usb/digitv.c
@@ -48,7 +48,7 @@ static int digitv_i2c_xfer(struct i2c_adapter *adap,struct i2c_msg msg[],int num
 	struct dvb_usb_device *d = i2c_get_adapdata(adap);
 	int i;
 
-	if (down_interruptible(&d->i2c_sem) < 0)
+	if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
 		return -EAGAIN;
 
 	if (num > 2)
@@ -67,7 +67,7 @@ static int digitv_i2c_xfer(struct i2c_adapter *adap,struct i2c_msg msg[],int num
 				break;
 	}
 
-	up(&d->i2c_sem);
+	mutex_unlock(&d->i2c_mutex);
 	return i;
 }
 
@@ -175,11 +175,13 @@ static int digitv_probe(struct usb_interface *intf,
 	if ((ret = dvb_usb_device_init(intf,&digitv_properties,THIS_MODULE,&d)) == 0) {
 		u8 b[4] = { 0 };
 
-		b[0] = 1;
-		digitv_ctrl_msg(d,USB_WRITE_REMOTE_TYPE,0,b,4,NULL,0);
+		if (d != NULL) { /* do that only when the firmware is loaded */
+			b[0] = 1;
+			digitv_ctrl_msg(d,USB_WRITE_REMOTE_TYPE,0,b,4,NULL,0);
 
-		b[0] = 0;
-		digitv_ctrl_msg(d,USB_WRITE_REMOTE,0,b,4,NULL,0);
+			b[0] = 0;
+			digitv_ctrl_msg(d,USB_WRITE_REMOTE,0,b,4,NULL,0);
+		}
 	}
 	return ret;
 }
@@ -194,7 +196,7 @@ static struct dvb_usb_properties digitv_properties = {
 	.caps = DVB_USB_IS_AN_I2C_ADAPTER,
 
 	.usb_ctrl = CYPRESS_FX2,
-	.firmware = "dvb-usb-digitv-01.fw",
+	.firmware = "dvb-usb-digitv-02.fw",
 
 	.size_of_priv     = 0,
 
@@ -229,6 +231,7 @@ static struct dvb_usb_properties digitv_properties = {
 			{ &digitv_table[0], NULL },
 			{ NULL },
 		},
+		{ NULL },
 	}
 };
 
diff --git a/linux/drivers/media/dvb/dvb-usb/dvb-usb-init.c b/linux/drivers/media/dvb/dvb-usb/dvb-usb-init.c
index 716f8bf52..4258a995d 100644
--- a/linux/drivers/media/dvb/dvb-usb/dvb-usb-init.c
+++ b/linux/drivers/media/dvb/dvb-usb/dvb-usb-init.c
@@ -42,8 +42,8 @@ static int dvb_usb_init(struct dvb_usb_device *d)
 {
 	int ret = 0;
 
-	sema_init(&d->usb_sem, 1);
-	sema_init(&d->i2c_sem, 1);
+	mutex_init(&d->usb_mutex);
+	mutex_init(&d->i2c_mutex);
 
 	d->state = DVB_USB_STATE_INIT;
 
diff --git a/linux/drivers/media/dvb/dvb-usb/dvb-usb-urb.c b/linux/drivers/media/dvb/dvb-usb/dvb-usb-urb.c
index ee821974d..9002f35aa 100644
--- a/linux/drivers/media/dvb/dvb-usb/dvb-usb-urb.c
+++ b/linux/drivers/media/dvb/dvb-usb/dvb-usb-urb.c
@@ -21,7 +21,7 @@ int dvb_usb_generic_rw(struct dvb_usb_device *d, u8 *wbuf, u16 wlen, u8 *rbuf,
 	if (wbuf == NULL || wlen == 0)
 		return -EINVAL;
 
-	if ((ret = down_interruptible(&d->usb_sem)))
+	if ((ret = mutex_lock_interruptible(&d->usb_mutex)))
 		return ret;
 
 	deb_xfer(">>> ");
@@ -53,7 +53,7 @@ int dvb_usb_generic_rw(struct dvb_usb_device *d, u8 *wbuf, u16 wlen, u8 *rbuf,
 		}
 	}
 
-	up(&d->usb_sem);
+	mutex_unlock(&d->usb_mutex);
 	return ret;
 }
 EXPORT_SYMBOL(dvb_usb_generic_rw);
diff --git a/linux/drivers/media/dvb/dvb-usb/dvb-usb.h b/linux/drivers/media/dvb/dvb-usb/dvb-usb.h
index 5e5d21ad9..bdf596c42 100644
--- a/linux/drivers/media/dvb/dvb-usb/dvb-usb.h
+++ b/linux/drivers/media/dvb/dvb-usb/dvb-usb.h
@@ -12,6 +12,10 @@
 #include <linux/input.h>
 #include <linux/usb.h>
 #include <linux/firmware.h>
+#include "compat.h"
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,15)
+#include <linux/mutex.h>
+#endif
 
 #include "dvb_frontend.h"
 #include "dvb_demux.h"
@@ -227,8 +231,8 @@ struct dvb_usb_properties {
  * @feedcount: number of reqested feeds (used for streaming-activation)
  * @pid_filtering: is hardware pid_filtering used or not.
  *
- * @usb_sem: semaphore of USB control messages (reading needs two messages)
- * @i2c_sem: semaphore for i2c-transfers
+ * @usb_mutex: semaphore of USB control messages (reading needs two messages)
+ * @i2c_mutex: semaphore for i2c-transfers
  *
  * @i2c_adap: device's i2c_adapter if it uses I2CoverUSB
  * @pll_addr: I2C address of the tuner for programming
@@ -283,10 +287,18 @@ struct dvb_usb_device {
 	int pid_filtering;
 
 	/* locking */
-	struct semaphore usb_sem;
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,15)
+	struct mutex usb_mutex;
+#else
+	struct semaphore usb_mutex;
+#endif
 
 	/* i2c */
-	struct semaphore i2c_sem;
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,15)
+	struct mutex i2c_mutex;
+#else
+	struct semaphore i2c_mutex;
+#endif
 	struct i2c_adapter i2c_adap;
 
 	/* tuner programming information */
diff --git a/linux/drivers/media/dvb/dvb-usb/vp702x.c b/linux/drivers/media/dvb/dvb-usb/vp702x.c
index bd7ff39be..3658a66f7 100644
--- a/linux/drivers/media/dvb/dvb-usb/vp702x.c
+++ b/linux/drivers/media/dvb/dvb-usb/vp702x.c
@@ -75,7 +75,7 @@ int vp702x_usb_inout_op(struct dvb_usb_device *d, u8 *o, int olen, u8 *i, int il
 {
 	int ret;
 
-	if ((ret = down_interruptible(&d->usb_sem)))
+	if ((ret = mutex_lock_interruptible(&d->usb_mutex)))
 		return ret;
 
 	if ((ret = vp702x_usb_out_op(d,REQUEST_OUT,0,0,o,olen)) < 0)
@@ -84,7 +84,7 @@ int vp702x_usb_inout_op(struct dvb_usb_device *d, u8 *o, int olen, u8 *i, int il
 	ret = vp702x_usb_in_op(d,REQUEST_IN,0,0,i,ilen);
 
 unlock:
-	up(&d->usb_sem);
+	mutex_unlock(&d->usb_mutex);
 
 	return ret;
 }
diff --git a/linux/drivers/media/dvb/dvb-usb/vp7045-fe.c b/linux/drivers/media/dvb/dvb-usb/vp7045-fe.c
index 5242cca5d..9999336ae 100644
--- a/linux/drivers/media/dvb/dvb-usb/vp7045-fe.c
+++ b/linux/drivers/media/dvb/dvb-usb/vp7045-fe.c
@@ -23,10 +23,11 @@
 
 struct vp7045_fe_state {
 	struct dvb_frontend fe;
+	struct dvb_frontend_ops ops;
+
 	struct dvb_usb_device *d;
 };
 
-
 static int vp7045_fe_read_status(struct dvb_frontend* fe, fe_status_t *status)
 {
 	struct vp7045_fe_state *state = fe->demodulator_priv;
@@ -150,7 +151,8 @@ struct dvb_frontend * vp7045_fe_attach(struct dvb_usb_device *d)
 		goto error;
 
 	s->d = d;
-	s->fe.ops = &vp7045_fe_ops;
+	memcpy(&s->ops, &vp7045_fe_ops, sizeof(struct dvb_frontend_ops));
+	s->fe.ops = &s->ops;
 	s->fe.demodulator_priv = s;
 
 	goto success;
diff --git a/linux/drivers/media/dvb/dvb-usb/vp7045.c b/linux/drivers/media/dvb/dvb-usb/vp7045.c
index 812d4d5fb..16aa00ec4 100644
--- a/linux/drivers/media/dvb/dvb-usb/vp7045.c
+++ b/linux/drivers/media/dvb/dvb-usb/vp7045.c
@@ -38,7 +38,7 @@ int vp7045_usb_op(struct dvb_usb_device *d, u8 cmd, u8 *out, int outlen, u8 *in,
 	deb_xfer("out buffer: ");
 	debug_dump(outbuf,outlen+1,deb_xfer);
 
-	if ((ret = down_interruptible(&d->usb_sem)))
+	if ((ret = mutex_lock_interruptible(&d->usb_mutex)))
 		return ret;
 
 	if (usb_control_msg(d->udev,
@@ -68,7 +68,7 @@ int vp7045_usb_op(struct dvb_usb_device *d, u8 cmd, u8 *out, int outlen, u8 *in,
 		memcpy(in,&inbuf[1],inlen);
 
 unlock:
-	up(&d->usb_sem);
+	mutex_unlock(&d->usb_mutex);
 
 	return ret;
 }