Hi Sowjanya, On 1/28/20 7:23 PM, Sowjanya Komatineni wrote: > This series adds Tegra210 VI and CSI driver for built-in test pattern > generator (TPG) capture. > > Tegra210 supports max 6 channels on VI and 6 ports on CSI where each > CSI port is one-to-one mapped to VI channel for video capture. > > This series has TPG support only where it creates hard media links > between CSI subdevice and VI video device without device graphs. > > v4l2-compliance results are available below the patch diff. > > [v0]: Includes, > - Adds CSI TPG clock to Tegra210 clock driver > - Host1x video driver with VI and CSI clients. > - Support for Tegra210 only. > - VI CSI TPG support with hard media links in driver. > - Video formats supported by Tegra210 VI > - CSI TPG supported video formats I'm trying to compile this patch series using the media_tree master branch (https://git.linuxtv.org//media_tree.git), but it fails: drivers/staging/media/tegra/tegra-channel.c: In function ‘tegra_channel_queue_setup’: drivers/staging/media/tegra/tegra-channel.c:71:15: warning: unused variable ‘count’ [-Wunused-variable] 71 | unsigned int count = *nbuffers; | ^~~~~ drivers/staging/media/tegra/tegra-channel.c: In function ‘tegra_channel_init’: drivers/staging/media/tegra/tegra-channel.c:518:55: error: ‘struct host1x_client’ has no member named ‘host’ 518 | struct tegra_camera *cam = dev_get_drvdata(vi->client.host); | ^ make[4]: *** [scripts/Makefile.build:265: drivers/staging/media/tegra/tegra-channel.o] Error 1 make[4]: *** Waiting for unfinished jobs.... drivers/staging/media/tegra/tegra-vi.c: In function ‘tegra_vi_tpg_graph_init’: drivers/staging/media/tegra/tegra-vi.c:157:55: error: ‘struct host1x_client’ has no member named ‘host’ 157 | struct tegra_camera *cam = dev_get_drvdata(vi->client.host); | ^ drivers/staging/media/tegra/tegra-vi.c: In function ‘tegra_vi_init’: drivers/staging/media/tegra/tegra-csi.c: In function ‘tegra_csi_init’: drivers/staging/media/tegra/tegra-vi.c:213:51: error: ‘struct host1x_client’ has no member named ‘host’ 213 | struct tegra_camera *cam = dev_get_drvdata(client->host); | ^~ drivers/staging/media/tegra/tegra-csi.c:259:51: error: ‘struct host1x_client’ has no member named ‘host’ 259 | struct tegra_camera *cam = dev_get_drvdata(client->host); | ^~ drivers/staging/media/tegra/tegra-vi.c: In function ‘tegra_vi_exit’: drivers/staging/media/tegra/tegra-vi.c:246:51: error: ‘struct host1x_client’ has no member named ‘host’ 246 | struct tegra_camera *cam = dev_get_drvdata(client->host); | ^~ drivers/staging/media/tegra/tegra-csi.c: In function ‘tegra_csi_exit’: drivers/staging/media/tegra/tegra-csi.c:286:51: error: ‘struct host1x_client’ has no member named ‘host’ 286 | struct tegra_camera *cam = dev_get_drvdata(client->host); | ^~ And indeed, struct host1x_client as defined in include/linux/host1x.h doesn't have a 'host' field. Does this series depend on another patch that's not yet in mainline? Regards, Hans