Merge remote-tracking branch 'linus/master' into staging/for_v3.8

* linus/master: (1428 commits)
  futex: avoid wake_futex() for a PI futex_q
  watchdog: using u64 in get_sample_period()
  writeback: put unused inodes to LRU after writeback completion
  mm: vmscan: check for fatal signals iff the process was throttled
  Revert "mm: remove __GFP_NO_KSWAPD"
  proc: check vma->vm_file before dereferencing
  UAPI: strip the _UAPI prefix from header guards during header installation
  include/linux/bug.h: fix sparse warning related to BUILD_BUG_ON_INVALID
  Linux 3.7-rc7
  powerpc/eeh: Do not invalidate PE properly
  ALSA: hda - Fix build without CONFIG_PM
  of/address: sparc: Declare of_iomap as an extern function for sparc again
  PM / QoS: fix wrong error-checking condition
  bnx2x: remove redundant warning log
  vxlan: fix command usage in its doc
  8139cp: revert "set ring address before enabling receiver"
  MPI: Fix compilation on MIPS with GCC 4.4 and newer
  MIPS: Fix crash that occurs when function tracing is enabled
  MIPS: Merge overlapping bootmem ranges
  jbd: Fix lock ordering bug in journal_unmap_buffer()
  ...

21 files changed, 352 insertions, 176 deletions

diff --git a/drivers/media/dvb-frontends/stv0900_core.c b/drivers/media/dvb-frontends/stv0900_core.c
index 262dfa503c2a..b551ca350e00 100644
--- a/drivers/media/dvb-frontends/stv0900_core.c
+++ b/drivers/media/dvb-frontends/stv0900_core.c
@@ -300,15 +300,15 @@ static enum fe_stv0900_error stv0900_set_mclk(struct stv0900_internal *intp, u32
 {
         u32 m_div, clk_sel;
 
-        dprintk("%s: Mclk set to %d, Quartz = %d\n", __func__, mclk,
-                        intp->quartz);
-
         if (intp == NULL)
                 return STV0900_INVALID_HANDLE;
 
         if (intp->errs)
                 return STV0900_I2C_ERROR;
 
+        dprintk("%s: Mclk set to %d, Quartz = %d\n", __func__, mclk,
+                        intp->quartz);
+
         clk_sel = ((stv0900_get_bits(intp, F0900_SELX1RATIO) == 1) ? 4 : 6);
         m_div = ((clk_sel * mclk) / intp->quartz) - 1;
         stv0900_write_bits(intp, F0900_M_DIV, m_div);
diff --git a/drivers/media/i2c/adv7604.c b/drivers/media/i2c/adv7604.c
index 89fc85403ca2..f47555b1000a 100644
--- a/drivers/media/i2c/adv7604.c
+++ b/drivers/media/i2c/adv7604.c
@@ -53,8 +53,7 @@ MODULE_LICENSE("GPL");
 /* ADV7604 system clock frequency */
 #define ADV7604_fsc (28636360)
 
-#define DIGITAL_INPUT ((state->prim_mode == ADV7604_PRIM_MODE_HDMI_COMP) || \
-                        (state->prim_mode == ADV7604_PRIM_MODE_HDMI_GR))
+#define DIGITAL_INPUT (state->mode == ADV7604_MODE_HDMI)
 
 /*
  **********************************************************************
@@ -68,7 +67,7 @@ struct adv7604_state {
         struct v4l2_subdev sd;
         struct media_pad pad;
         struct v4l2_ctrl_handler hdl;
-        enum adv7604_prim_mode prim_mode;
+        enum adv7604_mode mode;
         struct v4l2_dv_timings timings;
         u8 edid[256];
         unsigned edid_blocks;
@@ -77,6 +76,7 @@ struct adv7604_state {
         struct workqueue_struct *work_queues;
         struct delayed_work delayed_work_enable_hotplug;
         bool connector_hdmi;
+        bool restart_stdi_once;
 
         /* i2c clients */
         struct i2c_client *i2c_avlink;
@@ -106,7 +106,6 @@ static const struct v4l2_dv_timings adv7604_timings[] = {
         V4L2_DV_BT_CEA_720X576P50,
         V4L2_DV_BT_CEA_1280X720P24,
         V4L2_DV_BT_CEA_1280X720P25,
-        V4L2_DV_BT_CEA_1280X720P30,
         V4L2_DV_BT_CEA_1280X720P50,
         V4L2_DV_BT_CEA_1280X720P60,
         V4L2_DV_BT_CEA_1920X1080P24,
@@ -115,6 +114,7 @@ static const struct v4l2_dv_timings adv7604_timings[] = {
         V4L2_DV_BT_CEA_1920X1080P50,
         V4L2_DV_BT_CEA_1920X1080P60,
 
+        /* sorted by DMT ID */
         V4L2_DV_BT_DMT_640X350P85,
         V4L2_DV_BT_DMT_640X400P85,
         V4L2_DV_BT_DMT_720X400P85,
@@ -164,6 +164,89 @@ static const struct v4l2_dv_timings adv7604_timings[] = {
         { },
 };
 
+struct adv7604_video_standards {
+        struct v4l2_dv_timings timings;
+        u8 vid_std;
+        u8 v_freq;
+};
+
+/* sorted by number of lines */
+static const struct adv7604_video_standards adv7604_prim_mode_comp[] = {
+        /* { V4L2_DV_BT_CEA_720X480P59_94, 0x0a, 0x00 }, TODO flickering */
+        { V4L2_DV_BT_CEA_720X576P50, 0x0b, 0x00 },
+        { V4L2_DV_BT_CEA_1280X720P50, 0x19, 0x01 },
+        { V4L2_DV_BT_CEA_1280X720P60, 0x19, 0x00 },
+        { V4L2_DV_BT_CEA_1920X1080P24, 0x1e, 0x04 },
+        { V4L2_DV_BT_CEA_1920X1080P25, 0x1e, 0x03 },
+        { V4L2_DV_BT_CEA_1920X1080P30, 0x1e, 0x02 },
+        { V4L2_DV_BT_CEA_1920X1080P50, 0x1e, 0x01 },
+        { V4L2_DV_BT_CEA_1920X1080P60, 0x1e, 0x00 },
+        /* TODO add 1920x1080P60_RB (CVT timing) */
+        { },
+};
+
+/* sorted by number of lines */
+static const struct adv7604_video_standards adv7604_prim_mode_gr[] = {
+        { V4L2_DV_BT_DMT_640X480P60, 0x08, 0x00 },
+        { V4L2_DV_BT_DMT_640X480P72, 0x09, 0x00 },
+        { V4L2_DV_BT_DMT_640X480P75, 0x0a, 0x00 },
+        { V4L2_DV_BT_DMT_640X480P85, 0x0b, 0x00 },
+        { V4L2_DV_BT_DMT_800X600P56, 0x00, 0x00 },
+        { V4L2_DV_BT_DMT_800X600P60, 0x01, 0x00 },
+        { V4L2_DV_BT_DMT_800X600P72, 0x02, 0x00 },
+        { V4L2_DV_BT_DMT_800X600P75, 0x03, 0x00 },
+        { V4L2_DV_BT_DMT_800X600P85, 0x04, 0x00 },
+        { V4L2_DV_BT_DMT_1024X768P60, 0x0c, 0x00 },
+        { V4L2_DV_BT_DMT_1024X768P70, 0x0d, 0x00 },
+        { V4L2_DV_BT_DMT_1024X768P75, 0x0e, 0x00 },
+        { V4L2_DV_BT_DMT_1024X768P85, 0x0f, 0x00 },
+        { V4L2_DV_BT_DMT_1280X1024P60, 0x05, 0x00 },
+        { V4L2_DV_BT_DMT_1280X1024P75, 0x06, 0x00 },
+        { V4L2_DV_BT_DMT_1360X768P60, 0x12, 0x00 },
+        { V4L2_DV_BT_DMT_1366X768P60, 0x13, 0x00 },
+        { V4L2_DV_BT_DMT_1400X1050P60, 0x14, 0x00 },
+        { V4L2_DV_BT_DMT_1400X1050P75, 0x15, 0x00 },
+        { V4L2_DV_BT_DMT_1600X1200P60, 0x16, 0x00 }, /* TODO not tested */
+        /* TODO add 1600X1200P60_RB (not a DMT timing) */
+        { V4L2_DV_BT_DMT_1680X1050P60, 0x18, 0x00 },
+        { V4L2_DV_BT_DMT_1920X1200P60_RB, 0x19, 0x00 }, /* TODO not tested */
+        { },
+};
+
+/* sorted by number of lines */
+static const struct adv7604_video_standards adv7604_prim_mode_hdmi_comp[] = {
+        { V4L2_DV_BT_CEA_720X480P59_94, 0x0a, 0x00 },
+        { V4L2_DV_BT_CEA_720X576P50, 0x0b, 0x00 },
+        { V4L2_DV_BT_CEA_1280X720P50, 0x13, 0x01 },
+        { V4L2_DV_BT_CEA_1280X720P60, 0x13, 0x00 },
+        { V4L2_DV_BT_CEA_1920X1080P24, 0x1e, 0x04 },
+        { V4L2_DV_BT_CEA_1920X1080P25, 0x1e, 0x03 },
+        { V4L2_DV_BT_CEA_1920X1080P30, 0x1e, 0x02 },
+        { V4L2_DV_BT_CEA_1920X1080P50, 0x1e, 0x01 },
+        { V4L2_DV_BT_CEA_1920X1080P60, 0x1e, 0x00 },
+        { },
+};
+
+/* sorted by number of lines */
+static const struct adv7604_video_standards adv7604_prim_mode_hdmi_gr[] = {
+        { V4L2_DV_BT_DMT_640X480P60, 0x08, 0x00 },
+        { V4L2_DV_BT_DMT_640X480P72, 0x09, 0x00 },
+        { V4L2_DV_BT_DMT_640X480P75, 0x0a, 0x00 },
+        { V4L2_DV_BT_DMT_640X480P85, 0x0b, 0x00 },
+        { V4L2_DV_BT_DMT_800X600P56, 0x00, 0x00 },
+        { V4L2_DV_BT_DMT_800X600P60, 0x01, 0x00 },
+        { V4L2_DV_BT_DMT_800X600P72, 0x02, 0x00 },
+        { V4L2_DV_BT_DMT_800X600P75, 0x03, 0x00 },
+        { V4L2_DV_BT_DMT_800X600P85, 0x04, 0x00 },
+        { V4L2_DV_BT_DMT_1024X768P60, 0x0c, 0x00 },
+        { V4L2_DV_BT_DMT_1024X768P70, 0x0d, 0x00 },
+        { V4L2_DV_BT_DMT_1024X768P75, 0x0e, 0x00 },
+        { V4L2_DV_BT_DMT_1024X768P85, 0x0f, 0x00 },
+        { V4L2_DV_BT_DMT_1280X1024P60, 0x05, 0x00 },
+        { V4L2_DV_BT_DMT_1280X1024P75, 0x06, 0x00 },
+        { },
+};
+
 /* ----------------------------------------------------------------------- */
 
 static inline struct adv7604_state *to_state(struct v4l2_subdev *sd)
@@ -682,64 +765,144 @@ static int adv7604_s_detect_tx_5v_ctrl(struct v4l2_subdev *sd)
                                 ((io_read(sd, 0x6f) & 0x10) >> 4));
 }
 
-static void configure_free_run(struct v4l2_subdev *sd, const struct v4l2_bt_timings *timings)
+static int find_and_set_predefined_video_timings(struct v4l2_subdev *sd,
+                u8 prim_mode,
+                const struct adv7604_video_standards *predef_vid_timings,
+                const struct v4l2_dv_timings *timings)
+{
+        struct adv7604_state *state = to_state(sd);
+        int i;
+
+        for (i = 0; predef_vid_timings[i].timings.bt.width; i++) {
+                if (!v4l_match_dv_timings(timings, &predef_vid_timings[i].timings,
+                                        DIGITAL_INPUT ? 250000 : 1000000))
+                        continue;
+                io_write(sd, 0x00, predef_vid_timings[i].vid_std); /* video std */
+                io_write(sd, 0x01, (predef_vid_timings[i].v_freq << 4) +
+                                prim_mode); /* v_freq and prim mode */
+                return 0;
+        }
+
+        return -1;
+}
+
+static int configure_predefined_video_timings(struct v4l2_subdev *sd,
+                struct v4l2_dv_timings *timings)
 {
+        struct adv7604_state *state = to_state(sd);
+        int err;
+
+        v4l2_dbg(1, debug, sd, "%s", __func__);
+
+        /* reset to default values */
+        io_write(sd, 0x16, 0x43);
+        io_write(sd, 0x17, 0x5a);
+        /* disable embedded syncs for auto graphics mode */
+        cp_write_and_or(sd, 0x81, 0xef, 0x00);
+        cp_write(sd, 0x8f, 0x00);
+        cp_write(sd, 0x90, 0x00);
+        cp_write(sd, 0xa2, 0x00);
+        cp_write(sd, 0xa3, 0x00);
+        cp_write(sd, 0xa4, 0x00);
+        cp_write(sd, 0xa5, 0x00);
+        cp_write(sd, 0xa6, 0x00);
+        cp_write(sd, 0xa7, 0x00);
+        cp_write(sd, 0xab, 0x00);
+        cp_write(sd, 0xac, 0x00);
+
+        switch (state->mode) {
+        case ADV7604_MODE_COMP:
+        case ADV7604_MODE_GR:
+                err = find_and_set_predefined_video_timings(sd,
+                                0x01, adv7604_prim_mode_comp, timings);
+                if (err)
+                        err = find_and_set_predefined_video_timings(sd,
+                                        0x02, adv7604_prim_mode_gr, timings);
+                break;
+        case ADV7604_MODE_HDMI:
+                err = find_and_set_predefined_video_timings(sd,
+                                0x05, adv7604_prim_mode_hdmi_comp, timings);
+                if (err)
+                        err = find_and_set_predefined_video_timings(sd,
+                                        0x06, adv7604_prim_mode_hdmi_gr, timings);
+                break;
+        default:
+                v4l2_dbg(2, debug, sd, "%s: Unknown mode %d\n",
+                                __func__, state->mode);
+                err = -1;
+                break;
+        }
+
+
+        return err;
+}
+
+static void configure_custom_video_timings(struct v4l2_subdev *sd,
+                const struct v4l2_bt_timings *bt)
+{
+        struct adv7604_state *state = to_state(sd);
         struct i2c_client *client = v4l2_get_subdevdata(sd);
-        u32 width = htotal(timings);
-        u32 height = vtotal(timings);
-        u16 ch1_fr_ll = (((u32)timings->pixelclock / 100) > 0) ?
-                ((width * (ADV7604_fsc / 100)) / ((u32)timings->pixelclock / 100)) : 0;
+        u32 width = htotal(bt);
+        u32 height = vtotal(bt);
+        u16 cp_start_sav = bt->hsync + bt->hbackporch - 4;
+        u16 cp_start_eav = width - bt->hfrontporch;
+        u16 cp_start_vbi = height - bt->vfrontporch;
+        u16 cp_end_vbi = bt->vsync + bt->vbackporch;
+        u16 ch1_fr_ll = (((u32)bt->pixelclock / 100) > 0) ?
+                ((width * (ADV7604_fsc / 100)) / ((u32)bt->pixelclock / 100)) : 0;
+        const u8 pll[2] = {
+                0xc0 | ((width >> 8) & 0x1f),
+                width & 0xff
+        };
 
         v4l2_dbg(2, debug, sd, "%s\n", __func__);
 
-        cp_write(sd, 0x8f, (ch1_fr_ll >> 8) & 0x7);     /* CH1_FR_LL */
-        cp_write(sd, 0x90, ch1_fr_ll & 0xff);           /* CH1_FR_LL */
-        cp_write(sd, 0xab, (height >> 4) & 0xff); /* CP_LCOUNT_MAX */
-        cp_write(sd, 0xac, (height & 0x0f) << 4); /* CP_LCOUNT_MAX */
-        /* TODO support interlaced */
-        cp_write(sd, 0x91, 0x10);       /* INTERLACED */
-
-        /* Should only be set in auto-graphics mode [REF_02 p. 91-92] */
-        if ((io_read(sd, 0x00) == 0x07) && (io_read(sd, 0x01) == 0x02)) {
-                u16 cp_start_sav, cp_start_eav, cp_start_vbi, cp_end_vbi;
-                const u8 pll[2] = {
-                        (0xc0 | ((width >> 8) & 0x1f)),
-                        (width & 0xff)
-                };
+        switch (state->mode) {
+        case ADV7604_MODE_COMP:
+        case ADV7604_MODE_GR:
+                /* auto graphics */
+                io_write(sd, 0x00, 0x07); /* video std */
+                io_write(sd, 0x01, 0x02); /* prim mode */
+                /* enable embedded syncs for auto graphics mode */
+                cp_write_and_or(sd, 0x81, 0xef, 0x10);
 
+                /* Should only be set in auto-graphics mode [REF_02, p. 91-92] */
                 /* setup PLL_DIV_MAN_EN and PLL_DIV_RATIO */
                 /* IO-map reg. 0x16 and 0x17 should be written in sequence */
                 if (adv_smbus_write_i2c_block_data(client, 0x16, 2, pll)) {
                         v4l2_err(sd, "writing to reg 0x16 and 0x17 failed\n");
-                        return;
+                        break;
                 }
 
                 /* active video - horizontal timing */
-                cp_start_sav = timings->hsync + timings->hbackporch - 4;
-                cp_start_eav = width - timings->hfrontporch;
                 cp_write(sd, 0xa2, (cp_start_sav >> 4) & 0xff);
-                cp_write(sd, 0xa3, ((cp_start_sav & 0x0f) << 4) | ((cp_start_eav >> 8) & 0x0f));
+                cp_write(sd, 0xa3, ((cp_start_sav & 0x0f) << 4) |
+                                        ((cp_start_eav >> 8) & 0x0f));
                 cp_write(sd, 0xa4, cp_start_eav & 0xff);
 
                 /* active video - vertical timing */
-                cp_start_vbi = height - timings->vfrontporch;
-                cp_end_vbi = timings->vsync + timings->vbackporch;
                 cp_write(sd, 0xa5, (cp_start_vbi >> 4) & 0xff);
-                cp_write(sd, 0xa6, ((cp_start_vbi & 0xf) << 4) | ((cp_end_vbi >> 8) & 0xf));
+                cp_write(sd, 0xa6, ((cp_start_vbi & 0xf) << 4) |
+                                        ((cp_end_vbi >> 8) & 0xf));
                 cp_write(sd, 0xa7, cp_end_vbi & 0xff);
-        } else {
-                /* reset to default values */
-                io_write(sd, 0x16, 0x43);
-                io_write(sd, 0x17, 0x5a);
-                cp_write(sd, 0xa2, 0x00);
-                cp_write(sd, 0xa3, 0x00);
-                cp_write(sd, 0xa4, 0x00);
-                cp_write(sd, 0xa5, 0x00);
-                cp_write(sd, 0xa6, 0x00);
-                cp_write(sd, 0xa7, 0x00);
+                break;
+        case ADV7604_MODE_HDMI:
+                /* set default prim_mode/vid_std for HDMI
+                   accoring to [REF_03, c. 4.2] */
+                io_write(sd, 0x00, 0x02); /* video std */
+                io_write(sd, 0x01, 0x06); /* prim mode */
+                break;
+        default:
+                v4l2_dbg(2, debug, sd, "%s: Unknown mode %d\n",
+                                __func__, state->mode);
+                break;
         }
-}
 
+        cp_write(sd, 0x8f, (ch1_fr_ll >> 8) & 0x7);
+        cp_write(sd, 0x90, ch1_fr_ll & 0xff);
+        cp_write(sd, 0xab, (height >> 4) & 0xff);
+        cp_write(sd, 0xac, (height & 0x0f) << 4);
+}
 
 static void set_rgb_quantization_range(struct v4l2_subdev *sd)
 {
@@ -748,12 +911,7 @@ static void set_rgb_quantization_range(struct v4l2_subdev *sd)
         switch (state->rgb_quantization_range) {
         case V4L2_DV_RGB_RANGE_AUTO:
                 /* automatic */
-                if ((hdmi_read(sd, 0x05) & 0x80) ||
-                                (state->prim_mode == ADV7604_PRIM_MODE_COMP) ||
-                                (state->prim_mode == ADV7604_PRIM_MODE_RGB)) {
-                        /* receiving HDMI or analog signal */
-                        io_write_and_or(sd, 0x02, 0x0f, 0xf0);
-                } else {
+                if (DIGITAL_INPUT && !(hdmi_read(sd, 0x05) & 0x80)) {
                         /* receiving DVI-D signal */
 
                         /* ADV7604 selects RGB limited range regardless of
@@ -766,6 +924,9 @@ static void set_rgb_quantization_range(struct v4l2_subdev *sd)
                                 /* RGB full range (0-255) */
                                 io_write_and_or(sd, 0x02, 0x0f, 0x10);
                         }
+                } else {
+                        /* receiving HDMI or analog signal, set automode */
+                        io_write_and_or(sd, 0x02, 0x0f, 0xf0);
                 }
                 break;
         case V4L2_DV_RGB_RANGE_LIMITED:
@@ -977,8 +1138,10 @@ static int stdi2dv_timings(struct v4l2_subdev *sd,
                         state->aspect_ratio, timings))
                 return 0;
 
-        v4l2_dbg(2, debug, sd, "%s: No format candidate found for lcf=%d, bl = %d\n",
-                        __func__, stdi->lcf, stdi->bl);
+        v4l2_dbg(2, debug, sd,
+                "%s: No format candidate found for lcvs = %d, lcf=%d, bl = %d, %chsync, %cvsync\n",
+                __func__, stdi->lcvs, stdi->lcf, stdi->bl,
+                stdi->hs_pol, stdi->vs_pol);
         return -1;
 }
 
@@ -1133,7 +1296,7 @@ static int adv7604_query_dv_timings(struct v4l2_subdev *sd,
                 adv7604_fill_optional_dv_timings_fields(sd, timings);
         } else {
                 /* find format
-                 * Since LCVS values are inaccurate (REF_03, page 275-276),
+                 * Since LCVS values are inaccurate [REF_03, p. 275-276],
                  * stdi2dv_timings() is called with lcvs +-1 if the first attempt fails.
                  */
                 if (!stdi2dv_timings(sd, &stdi, timings))
@@ -1145,9 +1308,31 @@ static int adv7604_query_dv_timings(struct v4l2_subdev *sd,
                 stdi.lcvs -= 2;
                 v4l2_dbg(1, debug, sd, "%s: lcvs - 1 = %d\n", __func__, stdi.lcvs);
                 if (stdi2dv_timings(sd, &stdi, timings)) {
+                        /*
+                         * The STDI block may measure wrong values, especially
+                         * for lcvs and lcf. If the driver can not find any
+                         * valid timing, the STDI block is restarted to measure
+                         * the video timings again. The function will return an
+                         * error, but the restart of STDI will generate a new
+                         * STDI interrupt and the format detection process will
+                         * restart.
+                         */
+                        if (state->restart_stdi_once) {
+                                v4l2_dbg(1, debug, sd, "%s: restart STDI\n", __func__);
+                                /* TODO restart STDI for Sync Channel 2 */
+                                /* enter one-shot mode */
+                                cp_write_and_or(sd, 0x86, 0xf9, 0x00);
+                                /* trigger STDI restart */
+                                cp_write_and_or(sd, 0x86, 0xf9, 0x04);
+                                /* reset to continuous mode */
+                                cp_write_and_or(sd, 0x86, 0xf9, 0x02);
+                                state->restart_stdi_once = false;
+                                return -ENOLINK;
+                        }
                         v4l2_dbg(1, debug, sd, "%s: format not supported\n", __func__);
                         return -ERANGE;
                 }
+                state->restart_stdi_once = true;
         }
 found:
 
@@ -1176,6 +1361,7 @@ static int adv7604_s_dv_timings(struct v4l2_subdev *sd,
 {
         struct adv7604_state *state = to_state(sd);
         struct v4l2_bt_timings *bt;
+        int err;
 
         if (!timings)
                 return -EINVAL;
@@ -1188,12 +1374,20 @@ static int adv7604_s_dv_timings(struct v4l2_subdev *sd,
                                 __func__, (u32)bt->pixelclock);
                 return -ERANGE;
         }
+
         adv7604_fill_optional_dv_timings_fields(sd, timings);
 
         state->timings = *timings;
 
-        /* freerun */
-        configure_free_run(sd, bt);
+        cp_write(sd, 0x91, bt->interlaced ? 0x50 : 0x10);
+
+        /* Use prim_mode and vid_std when available */
+        err = configure_predefined_video_timings(sd, timings);
+        if (err) {
+                /* custom settings when the video format
+                 does not have prim_mode/vid_std */
+                configure_custom_video_timings(sd, bt);
+        }
 
         set_rgb_quantization_range(sd);
 
@@ -1213,24 +1407,25 @@ static int adv7604_g_dv_timings(struct v4l2_subdev *sd,
         return 0;
 }
 
-static void enable_input(struct v4l2_subdev *sd, enum adv7604_prim_mode prim_mode)
+static void enable_input(struct v4l2_subdev *sd)
 {
-        switch (prim_mode) {
-        case ADV7604_PRIM_MODE_COMP:
-        case ADV7604_PRIM_MODE_RGB:
+        struct adv7604_state *state = to_state(sd);
+
+        switch (state->mode) {
+        case ADV7604_MODE_COMP:
+        case ADV7604_MODE_GR:
                 /* enable */
                 io_write(sd, 0x15, 0xb0);   /* Disable Tristate of Pins (no audio) */
                 break;
-        case ADV7604_PRIM_MODE_HDMI_COMP:
-        case ADV7604_PRIM_MODE_HDMI_GR:
+        case ADV7604_MODE_HDMI:
                 /* enable */
                 hdmi_write(sd, 0x1a, 0x0a); /* Unmute audio */
                 hdmi_write(sd, 0x01, 0x00); /* Enable HDMI clock terminators */
                 io_write(sd, 0x15, 0xa0);   /* Disable Tristate of Pins */
                 break;
         default:
-                v4l2_err(sd, "%s: reserved primary mode 0x%0x\n",
-                                __func__, prim_mode);
+                v4l2_dbg(2, debug, sd, "%s: Unknown mode %d\n",
+                                __func__, state->mode);
                 break;
         }
 }
@@ -1243,17 +1438,13 @@ static void disable_input(struct v4l2_subdev *sd)
         hdmi_write(sd, 0x01, 0x78); /* Disable HDMI clock terminators */
 }
 
-static void select_input(struct v4l2_subdev *sd, enum adv7604_prim_mode prim_mode)
+static void select_input(struct v4l2_subdev *sd)
 {
-        switch (prim_mode) {
-        case ADV7604_PRIM_MODE_COMP:
-        case ADV7604_PRIM_MODE_RGB:
-                /* set mode and select free run resolution */
-                io_write(sd, 0x00, 0x07); /* video std */
-                io_write(sd, 0x01, 0x02); /* prim mode */
-                /* enable embedded syncs for auto graphics mode */
-                cp_write_and_or(sd, 0x81, 0xef, 0x10);
+        struct adv7604_state *state = to_state(sd);
 
+        switch (state->mode) {
+        case ADV7604_MODE_COMP:
+        case ADV7604_MODE_GR:
                 /* reset ADI recommended settings for HDMI: */
                 /* "ADV7604 Register Settings Recommendations (rev. 2.5, June 2010)" p. 4. */
                 hdmi_write(sd, 0x0d, 0x04); /* HDMI filter optimization */
@@ -1281,16 +1472,7 @@ static void select_input(struct v4l2_subdev *sd, enum adv7604_prim_mode prim_mod
                 cp_write(sd, 0x40, 0x5c); /* CP core pre-gain control. Graphics mode */
                 break;
 
-        case ADV7604_PRIM_MODE_HDMI_COMP:
-        case ADV7604_PRIM_MODE_HDMI_GR:
-                /* set mode and select free run resolution */
-                /* video std */
-                io_write(sd, 0x00,
-                        (prim_mode == ADV7604_PRIM_MODE_HDMI_GR) ? 0x02 : 0x1e);
-                io_write(sd, 0x01, prim_mode); /* prim mode */
-                /* disable embedded syncs for auto graphics mode */
-                cp_write_and_or(sd, 0x81, 0xef, 0x00);
-
+        case ADV7604_MODE_HDMI:
                 /* set ADI recommended settings for HDMI: */
                 /* "ADV7604 Register Settings Recommendations (rev. 2.5, June 2010)" p. 4. */
                 hdmi_write(sd, 0x0d, 0x84); /* HDMI filter optimization */
@@ -1319,7 +1501,8 @@ static void select_input(struct v4l2_subdev *sd, enum adv7604_prim_mode prim_mod
 
                 break;
         default:
-                v4l2_err(sd, "%s: reserved primary mode 0x%0x\n", __func__, prim_mode);
+                v4l2_dbg(2, debug, sd, "%s: Unknown mode %d\n",
+                                __func__, state->mode);
                 break;
         }
 }
@@ -1331,26 +1514,13 @@ static int adv7604_s_routing(struct v4l2_subdev *sd,
 
         v4l2_dbg(2, debug, sd, "%s: input %d", __func__, input);
 
-        switch (input) {
-        case 0:
-                /* TODO select HDMI_COMP or HDMI_GR */
-                state->prim_mode = ADV7604_PRIM_MODE_HDMI_COMP;
-                break;
-        case 1:
-                state->prim_mode = ADV7604_PRIM_MODE_RGB;
-                break;
-        case 2:
-                state->prim_mode = ADV7604_PRIM_MODE_COMP;
-                break;
-        default:
-                return -EINVAL;
-        }
+        state->mode = input;
 
         disable_input(sd);
 
-        select_input(sd, state->prim_mode);
+        select_input(sd);
 
-        enable_input(sd, state->prim_mode);
+        enable_input(sd);
 
         return 0;
 }
@@ -1559,8 +1729,9 @@ static int adv7604_log_status(struct v4l2_subdev *sd)
         v4l2_info(sd, "CP locked: %s\n", no_lock_cp(sd) ? "false" : "true");
         v4l2_info(sd, "CP free run: %s\n",
                         (!!(cp_read(sd, 0xff) & 0x10) ? "on" : "off"));
-        v4l2_info(sd, "Prim-mode = 0x%x, video std = 0x%x\n",
-                        io_read(sd, 0x01) & 0x0f, io_read(sd, 0x00) & 0x3f);
+        v4l2_info(sd, "Prim-mode = 0x%x, video std = 0x%x, v_freq = 0x%x\n",
+                        io_read(sd, 0x01) & 0x0f, io_read(sd, 0x00) & 0x3f,
+                        (io_read(sd, 0x01) & 0x70) >> 4);
 
         v4l2_info(sd, "-----Video Timings-----\n");
         if (read_stdi(sd, &stdi))
@@ -1722,9 +1893,9 @@ static int adv7604_core_init(struct v4l2_subdev *sd)
         cp_write(sd, 0xba, (pdata->hdmi_free_run_mode << 1) | 0x01); /* HDMI free run */
         cp_write(sd, 0xf3, 0xdc); /* Low threshold to enter/exit free run mode */
         cp_write(sd, 0xf9, 0x23); /*  STDI ch. 1 - LCVS change threshold -
-                                      ADI recommended setting [REF_01 c. 2.3.3] */
+                                      ADI recommended setting [REF_01, c. 2.3.3] */
         cp_write(sd, 0x45, 0x23); /*  STDI ch. 2 - LCVS change threshold -
-                                      ADI recommended setting [REF_01 c. 2.3.3] */
+                                      ADI recommended setting [REF_01, c. 2.3.3] */
         cp_write(sd, 0xc9, 0x2d); /* use prim_mode and vid_std as free run resolution
                                      for digital formats */
 
@@ -1734,11 +1905,6 @@ static int adv7604_core_init(struct v4l2_subdev *sd)
         afe_write(sd, 0x02, pdata->ain_sel); /* Select analog input muxing mode */
         io_write_and_or(sd, 0x30, ~(1 << 4), pdata->output_bus_lsb_to_msb << 4);
 
-        state->prim_mode = pdata->prim_mode;
-        select_input(sd, pdata->prim_mode);
-
-        enable_input(sd, pdata->prim_mode);
-
         /* interrupts */
         io_write(sd, 0x40, 0xc2); /* Configure INT1 */
         io_write(sd, 0x41, 0xd7); /* STDI irq for any change, disable INT2 */
@@ -1893,6 +2059,7 @@ static int adv7604_probe(struct i2c_client *client,
                 v4l2_err(sd, "failed to create all i2c clients\n");
                 goto err_i2c;
         }
+        state->restart_stdi_once = true;
 
         /* work queues */
         state->work_queues = create_singlethread_workqueue(client->name);
diff --git a/drivers/media/i2c/soc_camera/mt9v022.c b/drivers/media/i2c/soc_camera/mt9v022.c
index 84d204f82cb2..d40a8858be01 100644
--- a/drivers/media/i2c/soc_camera/mt9v022.c
+++ b/drivers/media/i2c/soc_camera/mt9v022.c
@@ -296,9 +296,14 @@ static int mt9v022_s_crop(struct v4l2_subdev *sd, const struct v4l2_crop *a)
                 if (ret & 1) /* Autoexposure */
                         ret = reg_write(client, mt9v022->reg->max_total_shutter_width,
                                         rect.height + mt9v022->y_skip_top + 43);
-                else
-                        ret = reg_write(client, MT9V022_TOTAL_SHUTTER_WIDTH,
-                                        rect.height + mt9v022->y_skip_top + 43);
+                /*
+                 * If autoexposure is off, there is no need to set
+                 * MT9V022_TOTAL_SHUTTER_WIDTH here. Autoexposure can be off
+                 * only if the user has set exposure manually, using the
+                 * V4L2_CID_EXPOSURE_AUTO with the value V4L2_EXPOSURE_MANUAL.
+                 * In this case the register MT9V022_TOTAL_SHUTTER_WIDTH
+                 * already contains the correct value.
+                 */
         }
         /* Setup frame format: defaults apart from width and height */
         if (!ret)
diff --git a/drivers/media/platform/omap3isp/ispccdc.c b/drivers/media/platform/omap3isp/ispccdc.c
index 60181ab96063..aa9df9d71a7b 100644
--- a/drivers/media/platform/omap3isp/ispccdc.c
+++ b/drivers/media/platform/omap3isp/ispccdc.c
@@ -1706,7 +1706,7 @@ static long ccdc_ioctl(struct v4l2_subdev *sd, unsigned int cmd, void *arg)
 }
 
 static int ccdc_subscribe_event(struct v4l2_subdev *sd, struct v4l2_fh *fh,
-                                const struct v4l2_event_subscription *sub)
+                                struct v4l2_event_subscription *sub)
 {
         if (sub->type != V4L2_EVENT_FRAME_SYNC)
                 return -EINVAL;
@@ -1719,7 +1719,7 @@ static int ccdc_subscribe_event(struct v4l2_subdev *sd, struct v4l2_fh *fh,
 }
 
 static int ccdc_unsubscribe_event(struct v4l2_subdev *sd, struct v4l2_fh *fh,
-                                  const struct v4l2_event_subscription *sub)
+                                  struct v4l2_event_subscription *sub)
 {
         return v4l2_event_unsubscribe(fh, sub);
 }
diff --git a/drivers/media/platform/omap3isp/ispstat.c b/drivers/media/platform/omap3isp/ispstat.c
index d7ac76b5c2ae..b8640be692f1 100644
--- a/drivers/media/platform/omap3isp/ispstat.c
+++ b/drivers/media/platform/omap3isp/ispstat.c
@@ -1025,7 +1025,7 @@ void omap3isp_stat_dma_isr(struct ispstat *stat)
 
 int omap3isp_stat_subscribe_event(struct v4l2_subdev *subdev,
                                   struct v4l2_fh *fh,
-                                  const struct v4l2_event_subscription *sub)
+                                  struct v4l2_event_subscription *sub)
 {
         struct ispstat *stat = v4l2_get_subdevdata(subdev);
 
@@ -1037,7 +1037,7 @@ int omap3isp_stat_subscribe_event(struct v4l2_subdev *subdev,
 
 int omap3isp_stat_unsubscribe_event(struct v4l2_subdev *subdev,
                                     struct v4l2_fh *fh,
-                                    const struct v4l2_event_subscription *sub)
+                                    struct v4l2_event_subscription *sub)
 {
         return v4l2_event_unsubscribe(fh, sub);
 }
diff --git a/drivers/media/platform/omap3isp/ispstat.h b/drivers/media/platform/omap3isp/ispstat.h
index a6fe653eb237..9b7c8654dc8a 100644
--- a/drivers/media/platform/omap3isp/ispstat.h
+++ b/drivers/media/platform/omap3isp/ispstat.h
@@ -147,10 +147,10 @@ int omap3isp_stat_init(struct ispstat *stat, const char *name,
 void omap3isp_stat_cleanup(struct ispstat *stat);
 int omap3isp_stat_subscribe_event(struct v4l2_subdev *subdev,
                                   struct v4l2_fh *fh,
-                                  const struct v4l2_event_subscription *sub);
+                                  struct v4l2_event_subscription *sub);
 int omap3isp_stat_unsubscribe_event(struct v4l2_subdev *subdev,
                                     struct v4l2_fh *fh,
-                                    const struct v4l2_event_subscription *sub);
+                                    struct v4l2_event_subscription *sub);
 int omap3isp_stat_s_stream(struct v4l2_subdev *subdev, int enable);
 
 int omap3isp_stat_busy(struct ispstat *stat);
diff --git a/drivers/media/platform/omap3isp/ispvideo.c b/drivers/media/platform/omap3isp/ispvideo.c
index a0b737fecf13..75cd309035f9 100644
--- a/drivers/media/platform/omap3isp/ispvideo.c
+++ b/drivers/media/platform/omap3isp/ispvideo.c
@@ -792,7 +792,7 @@ isp_video_get_crop(struct file *file, void *fh, struct v4l2_crop *crop)
 }
 
 static int
-isp_video_set_crop(struct file *file, void *fh, struct v4l2_crop *crop)
+isp_video_set_crop(struct file *file, void *fh, const struct v4l2_crop *crop)
 {
         struct isp_video *video = video_drvdata(file);
         struct v4l2_subdev *subdev;
diff --git a/drivers/media/platform/s5p-fimc/Kconfig b/drivers/media/platform/s5p-fimc/Kconfig
index 8f090a8f270e..c16b20d86ed2 100644
--- a/drivers/media/platform/s5p-fimc/Kconfig
+++ b/drivers/media/platform/s5p-fimc/Kconfig
@@ -24,6 +24,7 @@ config VIDEO_S5P_FIMC
 config VIDEO_S5P_MIPI_CSIS
         tristate "S5P/EXYNOS MIPI-CSI2 receiver (MIPI-CSIS) driver"
         depends on REGULATOR
+        select S5P_SETUP_MIPIPHY
         help
           This is a V4L2 driver for Samsung S5P and EXYNOS4 SoC MIPI-CSI2
           receiver (MIPI-CSIS) devices.
diff --git a/drivers/media/platform/s5p-fimc/fimc-capture.c b/drivers/media/platform/s5p-fimc/fimc-capture.c
index e5fd159e3ee0..0d0aca500876 100644
--- a/drivers/media/platform/s5p-fimc/fimc-capture.c
+++ b/drivers/media/platform/s5p-fimc/fimc-capture.c
@@ -1745,7 +1745,9 @@ static int fimc_register_capture_device(struct fimc_dev *fimc,
         q->mem_ops = &vb2_dma_contig_memops;
         q->buf_struct_size = sizeof(struct fimc_vid_buffer);
 
-        vb2_queue_init(q);
+        ret = vb2_queue_init(q);
+        if (ret)
+                goto err_ent;
 
         vid_cap->vd_pad.flags = MEDIA_PAD_FL_SINK;
         ret = media_entity_init(&vfd->entity, 1, &vid_cap->vd_pad, 0);
diff --git a/drivers/media/platform/s5p-fimc/fimc-lite.c b/drivers/media/platform/s5p-fimc/fimc-lite.c
index 70bcf39de879..9db246bed841 100644
--- a/drivers/media/platform/s5p-fimc/fimc-lite.c
+++ b/drivers/media/platform/s5p-fimc/fimc-lite.c
@@ -1253,7 +1253,9 @@ static int fimc_lite_subdev_registered(struct v4l2_subdev *sd)
         q->buf_struct_size = sizeof(struct flite_buffer);
         q->drv_priv = fimc;
 
-        vb2_queue_init(q);
+        ret = vb2_queue_init(q);
+        if (ret < 0)
+                return ret;
 
         fimc->vd_pad.flags = MEDIA_PAD_FL_SINK;
         ret = media_entity_init(&vfd->entity, 1, &fimc->vd_pad, 0);
diff --git a/drivers/media/platform/s5p-fimc/fimc-mdevice.c b/drivers/media/platform/s5p-fimc/fimc-mdevice.c
index 715b258a0cac..9bd5dd416220 100644
--- a/drivers/media/platform/s5p-fimc/fimc-mdevice.c
+++ b/drivers/media/platform/s5p-fimc/fimc-mdevice.c
@@ -343,53 +343,50 @@ static int fimc_md_register_sensor_entities(struct fimc_md *fmd)
 static int fimc_register_callback(struct device *dev, void *p)
 {
         struct fimc_dev *fimc = dev_get_drvdata(dev);
-        struct v4l2_subdev *sd = &fimc->vid_cap.subdev;
+        struct v4l2_subdev *sd;
         struct fimc_md *fmd = p;
-        int ret = 0;
-
-        if (!fimc || !fimc->pdev)
-                return 0;
+        int ret;
 
-        if (fimc->pdev->id < 0 || fimc->pdev->id >= FIMC_MAX_DEVS)
+        if (fimc == NULL || fimc->id >= FIMC_MAX_DEVS)
                 return 0;
 
-        fimc->pipeline_ops = &fimc_pipeline_ops;
-        fmd->fimc[fimc->pdev->id] = fimc;
+        sd = &fimc->vid_cap.subdev;
         sd->grp_id = FIMC_GROUP_ID;
 
         ret = v4l2_device_register_subdev(&fmd->v4l2_dev, sd);
         if (ret) {
                 v4l2_err(&fmd->v4l2_dev, "Failed to register FIMC.%d (%d)\n",
                          fimc->id, ret);
+                return ret;
         }
 
-        return ret;
+        fimc->pipeline_ops = &fimc_pipeline_ops;
+        fmd->fimc[fimc->id] = fimc;
+        return 0;
 }
 
 static int fimc_lite_register_callback(struct device *dev, void *p)
 {
         struct fimc_lite *fimc = dev_get_drvdata(dev);
-        struct v4l2_subdev *sd = &fimc->subdev;
         struct fimc_md *fmd = p;
         int ret;
 
-        if (fimc == NULL)
+        if (fimc == NULL || fimc->index >= FIMC_LITE_MAX_DEVS)
                 return 0;
 
-        if (fimc->index >= FIMC_LITE_MAX_DEVS)
-                return 0;
+        fimc->subdev.grp_id = FLITE_GROUP_ID;
 
-        fimc->pipeline_ops = &fimc_pipeline_ops;
-        fmd->fimc_lite[fimc->index] = fimc;
-        sd->grp_id = FLITE_GROUP_ID;
-
-        ret = v4l2_device_register_subdev(&fmd->v4l2_dev, sd);
+        ret = v4l2_device_register_subdev(&fmd->v4l2_dev, &fimc->subdev);
         if (ret) {
                 v4l2_err(&fmd->v4l2_dev,
                          "Failed to register FIMC-LITE.%d (%d)\n",
                          fimc->index, ret);
+                return ret;
         }
-        return ret;
+
+        fimc->pipeline_ops = &fimc_pipeline_ops;
+        fmd->fimc_lite[fimc->index] = fimc;
+        return 0;
 }
 
 static int csis_register_callback(struct device *dev, void *p)
@@ -407,10 +404,12 @@ static int csis_register_callback(struct device *dev, void *p)
         v4l2_info(sd, "csis%d sd: %s\n", pdev->id, sd->name);
 
         id = pdev->id < 0 ? 0 : pdev->id;
-        fmd->csis[id].sd = sd;
         sd->grp_id = CSIS_GROUP_ID;
+
         ret = v4l2_device_register_subdev(&fmd->v4l2_dev, sd);
-        if (ret)
+        if (!ret)
+                fmd->csis[id].sd = sd;
+        else
                 v4l2_err(&fmd->v4l2_dev,
                          "Failed to register CSIS subdevice: %d\n", ret);
         return ret;
diff --git a/drivers/media/platform/sh_vou.c b/drivers/media/platform/sh_vou.c
index 85fd312f0a82..a1c87f0ceaab 100644
--- a/drivers/media/platform/sh_vou.c
+++ b/drivers/media/platform/sh_vou.c
@@ -935,9 +935,10 @@ static int sh_vou_g_crop(struct file *file, void *fh, struct v4l2_crop *a)
 /* Assume a dull encoder, do all the work ourselves. */
 static int sh_vou_s_crop(struct file *file, void *fh, const struct v4l2_crop *a)
 {
+        struct v4l2_crop a_writable = *a;
         struct video_device *vdev = video_devdata(file);
         struct sh_vou_device *vou_dev = video_get_drvdata(vdev);
-        struct v4l2_rect *rect = &a->c;
+        struct v4l2_rect *rect = &a_writable.c;
         struct v4l2_crop sd_crop = {.type = V4L2_BUF_TYPE_VIDEO_OUTPUT};
         struct v4l2_pix_format *pix = &vou_dev->pix;
         struct sh_vou_geometry geo;
diff --git a/drivers/media/platform/soc_camera/mx1_camera.c b/drivers/media/platform/soc_camera/mx1_camera.c
index bbe70991d30b..032b8c9097f9 100644
--- a/drivers/media/platform/soc_camera/mx1_camera.c
+++ b/drivers/media/platform/soc_camera/mx1_camera.c
@@ -470,14 +470,6 @@ static void mx1_camera_remove_device(struct soc_camera_device *icd)
         pcdev->icd = NULL;
 }
 
-static int mx1_camera_set_crop(struct soc_camera_device *icd,
-                               struct v4l2_crop *a)
-{
-        struct v4l2_subdev *sd = soc_camera_to_subdev(icd);
-
-        return v4l2_subdev_call(sd, video, s_crop, a);
-}
-
 static int mx1_camera_set_bus_param(struct soc_camera_device *icd)
 {
         struct v4l2_subdev *sd = soc_camera_to_subdev(icd);
@@ -689,7 +681,6 @@ static struct soc_camera_host_ops mx1_soc_camera_host_ops = {
         .add            = mx1_camera_add_device,
         .remove         = mx1_camera_remove_device,
         .set_bus_param  = mx1_camera_set_bus_param,
-        .set_crop       = mx1_camera_set_crop,
         .set_fmt        = mx1_camera_set_fmt,
         .try_fmt        = mx1_camera_try_fmt,
         .init_videobuf  = mx1_camera_init_videobuf,
diff --git a/drivers/media/platform/soc_camera/mx2_camera.c b/drivers/media/platform/soc_camera/mx2_camera.c
index 9fd9d1c5b218..9a55f4c4c7f4 100644
--- a/drivers/media/platform/soc_camera/mx2_camera.c
+++ b/drivers/media/platform/soc_camera/mx2_camera.c
@@ -864,8 +864,10 @@ static int mx2_start_streaming(struct vb2_queue *q, unsigned int count)
 
                 bytesperline = soc_mbus_bytes_per_line(icd->user_width,
                                 icd->current_fmt->host_fmt);
-                if (bytesperline < 0)
+                if (bytesperline < 0) {
+                        spin_unlock_irqrestore(&pcdev->lock, flags);
                         return bytesperline;
+                }
 
                 /*
                  * I didn't manage to properly enable/disable the prp
@@ -878,8 +880,10 @@ static int mx2_start_streaming(struct vb2_queue *q, unsigned int count)
                 pcdev->discard_buffer = dma_alloc_coherent(ici->v4l2_dev.dev,
                                 pcdev->discard_size, &pcdev->discard_buffer_dma,
                                 GFP_KERNEL);
-                if (!pcdev->discard_buffer)
+                if (!pcdev->discard_buffer) {
+                        spin_unlock_irqrestore(&pcdev->lock, flags);
                         return -ENOMEM;
+                }
 
                 pcdev->buf_discard[0].discard = true;
                 list_add_tail(&pcdev->buf_discard[0].queue,
@@ -1099,9 +1103,10 @@ static int mx2_camera_set_bus_param(struct soc_camera_device *icd)
 }
 
 static int mx2_camera_set_crop(struct soc_camera_device *icd,
-                                struct v4l2_crop *a)
+                                const struct v4l2_crop *a)
 {
-        struct v4l2_rect *rect = &a->c;
+        struct v4l2_crop a_writable = *a;
+        struct v4l2_rect *rect = &a_writable.c;
         struct v4l2_subdev *sd = soc_camera_to_subdev(icd);
         struct v4l2_mbus_framefmt mf;
         int ret;
diff --git a/drivers/media/platform/soc_camera/mx3_camera.c b/drivers/media/platform/soc_camera/mx3_camera.c
index 3557ac97e430..261f6e9e1b17 100644
--- a/drivers/media/platform/soc_camera/mx3_camera.c
+++ b/drivers/media/platform/soc_camera/mx3_camera.c
@@ -799,9 +799,10 @@ static inline void stride_align(__u32 *width)
  * default g_crop and cropcap from soc_camera.c
  */
 static int mx3_camera_set_crop(struct soc_camera_device *icd,
-                               struct v4l2_crop *a)
+                               const struct v4l2_crop *a)
 {
-        struct v4l2_rect *rect = &a->c;
+        struct v4l2_crop a_writable = *a;
+        struct v4l2_rect *rect = &a_writable.c;
         struct soc_camera_host *ici = to_soc_camera_host(icd->parent);
         struct mx3_camera_dev *mx3_cam = ici->priv;
         struct v4l2_subdev *sd = soc_camera_to_subdev(icd);
diff --git a/drivers/media/platform/soc_camera/omap1_camera.c b/drivers/media/platform/soc_camera/omap1_camera.c
index fa08c7695ccb..13636a585106 100644
--- a/drivers/media/platform/soc_camera/omap1_camera.c
+++ b/drivers/media/platform/soc_camera/omap1_camera.c
@@ -1215,9 +1215,9 @@ static int set_mbus_format(struct omap1_cam_dev *pcdev, struct device *dev,
 }
 
 static int omap1_cam_set_crop(struct soc_camera_device *icd,
-                               struct v4l2_crop *crop)
+                               const struct v4l2_crop *crop)
 {
-        struct v4l2_rect *rect = &crop->c;
+        const struct v4l2_rect *rect = &crop->c;
         const struct soc_camera_format_xlate *xlate = icd->current_fmt;
         struct v4l2_subdev *sd = soc_camera_to_subdev(icd);
         struct device *dev = icd->parent;
diff --git a/drivers/media/platform/soc_camera/pxa_camera.c b/drivers/media/platform/soc_camera/pxa_camera.c
index 1e3776d08dac..3434ffe79c6e 100644
--- a/drivers/media/platform/soc_camera/pxa_camera.c
+++ b/drivers/media/platform/soc_camera/pxa_camera.c
@@ -1337,9 +1337,9 @@ static int pxa_camera_check_frame(u32 width, u32 height)
 }
 
 static int pxa_camera_set_crop(struct soc_camera_device *icd,
-                               struct v4l2_crop *a)
+                               const struct v4l2_crop *a)
 {
-        struct v4l2_rect *rect = &a->c;
+        const struct v4l2_rect *rect = &a->c;
         struct device *dev = icd->parent;
         struct soc_camera_host *ici = to_soc_camera_host(dev);
         struct pxa_camera_dev *pcdev = ici->priv;
diff --git a/drivers/media/platform/soc_camera/sh_mobile_ceu_camera.c b/drivers/media/platform/soc_camera/sh_mobile_ceu_camera.c
index 0a24253dcda2..2d8861c0e8f2 100644
--- a/drivers/media/platform/soc_camera/sh_mobile_ceu_camera.c
+++ b/drivers/media/platform/soc_camera/sh_mobile_ceu_camera.c
@@ -1182,13 +1182,13 @@ static void sh_mobile_ceu_put_formats(struct soc_camera_device *icd)
 }
 
 /* Check if any dimension of r1 is smaller than respective one of r2 */
-static bool is_smaller(struct v4l2_rect *r1, struct v4l2_rect *r2)
+static bool is_smaller(const struct v4l2_rect *r1, const struct v4l2_rect *r2)
 {
         return r1->width < r2->width || r1->height < r2->height;
 }
 
 /* Check if r1 fails to cover r2 */
-static bool is_inside(struct v4l2_rect *r1, struct v4l2_rect *r2)
+static bool is_inside(const struct v4l2_rect *r1, const struct v4l2_rect *r2)
 {
         return r1->left > r2->left || r1->top > r2->top ||
                 r1->left + r1->width < r2->left + r2->width ||
@@ -1263,7 +1263,7 @@ static void update_subrect(struct sh_mobile_ceu_cam *cam)
  * 3. if (2) failed, try to request the maximum image
  */
 static int client_s_crop(struct soc_camera_device *icd, struct v4l2_crop *crop,
-                         const struct v4l2_crop *cam_crop)
+                         struct v4l2_crop *cam_crop)
 {
         struct v4l2_subdev *sd = soc_camera_to_subdev(icd);
         struct v4l2_rect *rect = &crop->c, *cam_rect = &cam_crop->c;
@@ -1519,7 +1519,8 @@ static int client_scale(struct soc_camera_device *icd,
 static int sh_mobile_ceu_set_crop(struct soc_camera_device *icd,
                                   const struct v4l2_crop *a)
 {
-        struct v4l2_rect *rect = &a->c;
+        struct v4l2_crop a_writable = *a;
+        const struct v4l2_rect *rect = &a_writable.c;
         struct device *dev = icd->parent;
         struct soc_camera_host *ici = to_soc_camera_host(dev);
         struct sh_mobile_ceu_dev *pcdev = ici->priv;
@@ -1545,7 +1546,7 @@ static int sh_mobile_ceu_set_crop(struct soc_camera_device *icd,
          * 1. - 2. Apply iterative camera S_CROP for new input window, read back
          * actual camera rectangle.
          */
-        ret = client_s_crop(icd, a, &cam_crop);
+        ret = client_s_crop(icd, &a_writable, &cam_crop);
         if (ret < 0)
                 return ret;
 
@@ -1946,7 +1947,7 @@ static int sh_mobile_ceu_try_fmt(struct soc_camera_device *icd,
 }
 
 static int sh_mobile_ceu_set_livecrop(struct soc_camera_device *icd,
-                                      struct v4l2_crop *a)
+                                      const struct v4l2_crop *a)
 {
         struct v4l2_subdev *sd = soc_camera_to_subdev(icd);
         struct soc_camera_host *ici = to_soc_camera_host(icd->parent);
diff --git a/drivers/media/usb/dvb-usb-v2/dvb_usb_core.c b/drivers/media/usb/dvb-usb-v2/dvb_usb_core.c
index 7927f5771e17..671b4fa232b4 100644
--- a/drivers/media/usb/dvb-usb-v2/dvb_usb_core.c
+++ b/drivers/media/usb/dvb-usb-v2/dvb_usb_core.c
@@ -283,14 +283,13 @@ static inline int dvb_usb_ctrl_feed(struct dvb_demux_feed *dvbdmxfeed,
 
         /* activate the pid on the device pid filter */
         if (adap->props->caps & DVB_USB_ADAP_HAS_PID_FILTER &&
-                        adap->pid_filtering &&
-                        adap->props->pid_filter)
+                        adap->pid_filtering && adap->props->pid_filter) {
                 ret = adap->props->pid_filter(adap, dvbdmxfeed->index,
                                 dvbdmxfeed->pid, (count == 1) ? 1 : 0);
-                        if (ret < 0)
-                                dev_err(&d->udev->dev, "%s: pid_filter() " \
-                                                "failed=%d\n", KBUILD_MODNAME,
-                                                ret);
+                if (ret < 0)
+                        dev_err(&d->udev->dev, "%s: pid_filter() failed=%d\n",
+                                        KBUILD_MODNAME, ret);
+        }
 
         /* start feeding if it is first pid */
         if (adap->feed_count == 1 && count == 1) {
diff --git a/drivers/media/usb/dvb-usb-v2/dvb_usb_urb.c b/drivers/media/usb/dvb-usb-v2/dvb_usb_urb.c
index 0431beed0ef4..5716662b4834 100644
--- a/drivers/media/usb/dvb-usb-v2/dvb_usb_urb.c
+++ b/drivers/media/usb/dvb-usb-v2/dvb_usb_urb.c
@@ -32,9 +32,7 @@ int dvb_usbv2_generic_rw(struct dvb_usb_device *d, u8 *wbuf, u16 wlen, u8 *rbuf,
                 return -EINVAL;
         }
 
-        ret = mutex_lock_interruptible(&d->usb_mutex);
-        if (ret < 0)
-                return ret;
+        mutex_lock(&d->usb_mutex);
 
         dev_dbg(&d->udev->dev, "%s: >>> %*ph\n", __func__, wlen, wbuf);
 
diff --git a/drivers/media/usb/dvb-usb-v2/rtl28xxu.c b/drivers/media/usb/dvb-usb-v2/rtl28xxu.c
index ec9108e2a297..223f0e70fbf6 100644
--- a/drivers/media/usb/dvb-usb-v2/rtl28xxu.c
+++ b/drivers/media/usb/dvb-usb-v2/rtl28xxu.c
@@ -1346,6 +1346,10 @@ static const struct usb_device_id rtl28xxu_id_table[] = {
                 &rtl2832u_props, "DigitalNow Quad DVB-T Receiver", NULL) },
         { DVB_USB_DEVICE(USB_VID_TERRATEC, 0x00d3,
                 &rtl2832u_props, "TerraTec Cinergy T Stick RC (Rev. 3)", NULL) },
+        { DVB_USB_DEVICE(USB_VID_DEXATEK, 0x1102,
+                &rtl2832u_props, "Dexatek DK mini DVB-T Dongle", NULL) },
+        { DVB_USB_DEVICE(USB_VID_TERRATEC, 0x00d7,
+                &rtl2832u_props, "TerraTec Cinergy T Stick+", NULL) },
         { }
 };
 MODULE_DEVICE_TABLE(usb, rtl28xxu_id_table);