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SubjectRE: mx3-camera

________________________________________
From: Alex Gershgorin
Sent: Tuesday, March 06, 2012 3:22 PM
To: Guennadi Liakhovetski
Cc: linux-kernel@vger.kernel.org; Linux Media Mailing List; Sascha Hauer
Subject: RE: mx3-camera

Thanks Guennadi,

>Hi Alex

>(adding v4l and Sascha to CC)

>On Tue, 6 Mar 2012, Alex Gershgorin wrote:

> Hi Guennadi,
>
> I'm working on I.MX35 PDK platform with use 3.3.0-rc6 version of the Linux Kernel.
> Here is my Kernel boot message
>
> "Linux video capture interface: v2.00
> mx3-camera: probe of mx3-camera.0 failed with error -2"
>
> This error comes from probe function of mx3 camera host driver.
> Precisely in this part of the code:
>
> mx3_cam->clk = clk_get(&pdev->dev, NULL);
> if (IS_ERR(mx3_cam->clk)) {
> err = PTR_ERR(mx3_cam->clk);
> goto eclkget;
> }

>I think, the reason is, that the i.MX35 platform doesn't register a camera
>clock, similar to i.MX31 (arch/arm/mach-imx/clock-imx31.c):

> _REGISTER_CLOCK("mx3-camera.0", NULL, csi_clk)

In i.MX35 (arch/arm/mach-imx/clock-imx35.c) it looks like this:
_REGISTER_CLOCK(NULL, "csi", csi_clk)

You were right, it should be _REGISTER_CLOCK("mx3-camera.0", NULL, csi_clk)
I checked, now this error not appear :-)

> I will be glad for any help.

Regards,
Alex Gershgorin




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