6 files changed, 23 insertions, 13 deletions

diff --git a/drivers/media/dvb-frontends/dib7000p.c b/drivers/media/dvb-frontends/dib7000p.c
index c5582d4fa5be..b40daf242046 100644
--- a/drivers/media/dvb-frontends/dib7000p.c
+++ b/drivers/media/dvb-frontends/dib7000p.c
@@ -2630,7 +2630,7 @@ static int dib7090_set_output_mode(struct dvb_frontend *fe, int mode)
 			dib7090_configMpegMux(state, 3, 1, 1);
 			dib7090_setHostBusMux(state, MPEG_ON_HOSTBUS);
 		} else {/* Use Smooth block */
-			dprintk("setting output mode TS_SERIAL using Smooth bloc\n");
+			dprintk("setting output mode TS_SERIAL using Smooth block\n");
 			dib7090_setHostBusMux(state, DEMOUT_ON_HOSTBUS);
 			outreg |= (2<<6) | (0 << 1);
 		}
@@ -2654,7 +2654,7 @@ static int dib7090_set_output_mode(struct dvb_frontend *fe, int mode)
 		outreg |= (1<<6);
 		break;
 
-	case OUTMODE_MPEG2_FIFO:	/* Using Smooth block because not supported by new Mpeg Mux bloc */
+	case OUTMODE_MPEG2_FIFO:	/* Using Smooth block because not supported by new Mpeg Mux block */
 		dprintk("setting output mode TS_FIFO using Smooth block\n");
 		dib7090_setHostBusMux(state, DEMOUT_ON_HOSTBUS);
 		outreg |= (5<<6);
diff --git a/drivers/media/dvb-frontends/dib8000.c b/drivers/media/dvb-frontends/dib8000.c
index 2f5165918163..d90f1b0b2051 100644
--- a/drivers/media/dvb-frontends/dib8000.c
+++ b/drivers/media/dvb-frontends/dib8000.c
@@ -1584,7 +1584,7 @@ static int dib8096p_set_output_mode(struct dvb_frontend *fe, int mode)
 				dib8096p_configMpegMux(state, 3, 1, 1);
 				dib8096p_setHostBusMux(state, MPEG_ON_HOSTBUS);
 			} else {/* Use Smooth block */
-				dprintk("dib8096P setting output mode TS_SERIAL using Smooth bloc\n");
+				dprintk("dib8096P setting output mode TS_SERIAL using Smooth block\n");
 				dib8096p_setHostBusMux(state,
 						DEMOUT_ON_HOSTBUS);
 				outreg |= (2 << 6) | (0 << 1);
@@ -1612,7 +1612,8 @@ static int dib8096p_set_output_mode(struct dvb_frontend *fe, int mode)
 
 	case OUTMODE_MPEG2_FIFO:
 			/* Using Smooth block because not supported
-			   by new Mpeg Mux bloc */
+			 * by new Mpeg Mux block
+			 */
 			dprintk("dib8096P setting output mode TS_FIFO using Smooth block\n");
 			dib8096p_setHostBusMux(state, DEMOUT_ON_HOSTBUS);
 			outreg |= (5 << 6);
@@ -2701,8 +2702,11 @@ static void dib8000_set_dds(struct dib8000_state *state, s32 offset_khz)
 	u8 ratio;
 
 	if (state->revision == 0x8090) {
+		u32 internal = dib8000_read32(state, 23) / 1000;
+
 		ratio = 4;
-		unit_khz_dds_val = (1<<26) / (dib8000_read32(state, 23) / 1000);
+
+		unit_khz_dds_val = (1<<26) / (internal ?: 1);
 		if (offset_khz < 0)
 			dds = (1 << 26) - (abs_offset_khz * unit_khz_dds_val);
 		else
diff --git a/drivers/media/dvb-frontends/dibx000_common.c b/drivers/media/dvb-frontends/dibx000_common.c
index 63a4c6a4afb5..bd5c5d7223aa 100644
--- a/drivers/media/dvb-frontends/dibx000_common.c
+++ b/drivers/media/dvb-frontends/dibx000_common.c
@@ -250,12 +250,12 @@ static int dibx000_i2c_master_xfer_gpio34(struct i2c_adapter *i2c_adap, struct i
 	return num;
 }
 
-static struct i2c_algorithm dibx000_i2c_master_gpio12_xfer_algo = {
+static const struct i2c_algorithm dibx000_i2c_master_gpio12_xfer_algo = {
 	.master_xfer = dibx000_i2c_master_xfer_gpio12,
 	.functionality = dibx000_i2c_func,
 };
 
-static struct i2c_algorithm dibx000_i2c_master_gpio34_xfer_algo = {
+static const struct i2c_algorithm dibx000_i2c_master_gpio34_xfer_algo = {
 	.master_xfer = dibx000_i2c_master_xfer_gpio34,
 	.functionality = dibx000_i2c_func,
 };
@@ -324,7 +324,7 @@ static int dibx000_i2c_gated_gpio67_xfer(struct i2c_adapter *i2c_adap,
 	return ret;
 }
 
-static struct i2c_algorithm dibx000_i2c_gated_gpio67_algo = {
+static const struct i2c_algorithm dibx000_i2c_gated_gpio67_algo = {
 	.master_xfer = dibx000_i2c_gated_gpio67_xfer,
 	.functionality = dibx000_i2c_func,
 };
@@ -369,7 +369,7 @@ static int dibx000_i2c_gated_tuner_xfer(struct i2c_adapter *i2c_adap,
 	return ret;
 }
 
-static struct i2c_algorithm dibx000_i2c_gated_tuner_algo = {
+static const struct i2c_algorithm dibx000_i2c_gated_tuner_algo = {
 	.master_xfer = dibx000_i2c_gated_tuner_xfer,
 	.functionality = dibx000_i2c_func,
 };
@@ -422,7 +422,7 @@ void dibx000_reset_i2c_master(struct dibx000_i2c_master *mst)
 EXPORT_SYMBOL(dibx000_reset_i2c_master);
 
 static int i2c_adapter_init(struct i2c_adapter *i2c_adap,
-				struct i2c_algorithm *algo, const char *name,
+				const struct i2c_algorithm *algo, const char *name,
 				struct dibx000_i2c_master *mst)
 {
 	strscpy(i2c_adap->name, name, sizeof(i2c_adap->name));
diff --git a/drivers/media/dvb-frontends/rtl2832_sdr.c b/drivers/media/dvb-frontends/rtl2832_sdr.c
index 05254d8717db..0357624968f1 100644
--- a/drivers/media/dvb-frontends/rtl2832_sdr.c
+++ b/drivers/media/dvb-frontends/rtl2832_sdr.c
@@ -1363,6 +1363,7 @@ static int rtl2832_sdr_probe(struct platform_device *pdev)
 	dev->vb_queue.ops = &rtl2832_sdr_vb2_ops;
 	dev->vb_queue.mem_ops = &vb2_vmalloc_memops;
 	dev->vb_queue.timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
+	dev->vb_queue.lock = &dev->vb_queue_lock;
 	ret = vb2_queue_init(&dev->vb_queue);
 	if (ret) {
 		dev_err(&pdev->dev, "Could not initialize vb2 queue\n");
@@ -1421,7 +1422,6 @@ static int rtl2832_sdr_probe(struct platform_device *pdev)
 	/* Init video_device structure */
 	dev->vdev = rtl2832_sdr_template;
 	dev->vdev.queue = &dev->vb_queue;
-	dev->vdev.queue->lock = &dev->vb_queue_lock;
 	video_set_drvdata(&dev->vdev, dev);
 
 	/* Register the v4l2_device structure */
diff --git a/drivers/media/dvb-frontends/stv0299.c b/drivers/media/dvb-frontends/stv0299.c
index da7ff2c2e8e5..ba4bb3685095 100644
--- a/drivers/media/dvb-frontends/stv0299.c
+++ b/drivers/media/dvb-frontends/stv0299.c
@@ -250,7 +250,7 @@ static int stv0299_get_symbolrate (struct stv0299_state* state)
 	offset /= 128;
 
 	dprintk ("%s : srate = %i\n", __func__, srate);
-	dprintk ("%s : ofset = %i\n", __func__, offset);
+	dprintk ("%s : offset = %i\n", __func__, offset);
 
 	srate += offset;
 
diff --git a/drivers/media/dvb-frontends/tda10048.c b/drivers/media/dvb-frontends/tda10048.c
index 3e725cdcc66b..1f87eb0dcf2a 100644
--- a/drivers/media/dvb-frontends/tda10048.c
+++ b/drivers/media/dvb-frontends/tda10048.c
@@ -328,7 +328,8 @@ static int tda10048_set_wref(struct dvb_frontend *fe, u32 sample_freq_hz,
 			     u32 bw)
 {
 	struct tda10048_state *state = fe->demodulator_priv;
-	u64 t, z;
+	u64 t;
+	u32 z;
 
 	dprintk(1, "%s()\n", __func__);
 
@@ -341,6 +342,11 @@ static int tda10048_set_wref(struct dvb_frontend *fe, u32 sample_freq_hz,
 	/* t *= 2147483648 on 32bit platforms */
 	t *= (2048 * 1024);
 	t *= 1024;
+
+	/*
+	 * Sample frequency is typically 55 MHz, with a theoretical maximum of
+	 * 69 MHz. With a 32 bit z we have enough accuracy for up to 613 MHz.
+	 */
 	z = 7 * sample_freq_hz;
 	do_div(t, z);
 	t += 5;