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SubjectRe: [RFC PATCH v1 0/5] Add Tegra driver for video capture
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I noticed the warning in queue_setup and will be removed in v2.

But errors are related to not using latest host1x driver. latest host1x
driver changed parent member to host.

So vi/csi driver also uses new member name host. Probably media_tree
don't have latest host1x driver


On 1/30/20 6:41 AM, Hans Verkuil wrote:
> External email: Use caution opening links or attachments
>
>
> 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

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