Re: [PATCH 0/6] staging: BCM2835 MMAL V4L2 camera driver

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Em Fri, 27 Jan 2017 13:54:57 -0800
Eric Anholt <eric@xxxxxxxxxx> escreveu:

> Here's my first pass at importing the camera driver.  There's a bunch
> of TODO left to it, most of which is documented, and the rest being
> standard checkpatch fare.
> 
> Unfortunately, when I try modprobing it on my pi3, the USB network
> device dies, consistently.  I'm not sure what's going on here yet, but
> I'm going to keep working on some debug of it.  I've unfortunately
> changed a lot of variables (pi3 vs pi2, upstream vs downstream, vchi's
> updates while in staging, 4.9 vs 4.4), so I probably won't figure it
> out today.
> 
> Note that the "Update the driver to the current VCHI API" patch will
> conflict with the outstanding "Add vchi_queue_kernel_message and
> vchi_queue_user_message" series, but the fix should be pretty obvious
> when that lands.
> 
> I built this against 4.10-rc1, but a merge with staging-next was clean
> and still built fine.

I'm trying it, building from the linux-next branch of the staging
tree. No joy.

That's what happens when I modprobe it:

[  991.841549] bcm2835_v4l2: module is from the staging directory, the quality is unknown, you have been warned.
[  991.842931] vchiq_get_state: g_state.remote == NULL
[  991.843437] vchiq_get_state: g_state.remote == NULL
[  991.843940] vchiq_get_state: g_state.remote == NULL
[  991.844444] vchiq_get_state: g_state.remote == NULL
[  991.844947] vchiq_get_state: g_state.remote == NULL
[  991.845451] vchiq_get_state: g_state.remote == NULL
[  991.845954] vchiq_get_state: g_state.remote == NULL
[  991.846457] vchiq_get_state: g_state.remote == NULL
[  991.846961] vchiq_get_state: g_state.remote == NULL
[  991.847464] vchiq_get_state: g_state.remote == NULL
[  991.847969] vchiq: vchiq_initialise: videocore not initialized

[  991.847973] mmal_vchiq: Failed to initialise VCHI instance (status=-1)


Thanks,
Mauro
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