Hi Javier,
On Fri, Jul 06, 2012 at 08:31:49AM +0200, Javier Martin wrote:
> This driver wasn't converted to the new clock changes
> (clk_prepare_enable/clk_disable_unprepare). Also naming
> of emma-prp related clocks for the i.MX27 was not correct.
Thanks for fixing this. Sorry for breaking this in the first place.
> @@ -1668,12 +1658,26 @@ static int __devinit mx2_camera_probe(struct
> platform_device *pdev)
> goto exit;
> }
>
> - pcdev->clk_csi = clk_get(&pdev->dev, NULL);
> + pcdev->clk_csi = devm_clk_get(&pdev->dev, NULL);
> if (IS_ERR(pcdev->clk_csi)) {
> dev_err(&pdev->dev, "Could not get csi clock\n");
> err = PTR_ERR(pcdev->clk_csi);
> goto exit_kfree;
> }
> + pcdev->clk_emma_ipg = devm_clk_get(&pdev->dev, "ipg");
> + if (IS_ERR(pcdev->clk_emma_ipg)) {
> + err = PTR_ERR(pcdev->clk_emma_ipg);
> + goto exit_kfree;
> + }
> + pcdev->clk_emma_ahb = devm_clk_get(&pdev->dev, "ahb");
> + if (IS_ERR(pcdev->clk_emma_ahb)) {
> + err = PTR_ERR(pcdev->clk_emma_ahb);
> + goto exit_kfree;
> + }
So we have three clocks involved here, a csi ahb clock and two emma
clocks. Can we rename the clocks to:
clk_register_clkdev(clk[csi_ahb_gate], "ahb", "mx2-camera.0");
clk_register_clkdev(clk[emma_ahb_gate], "emma-ahb", "mx2-camera.0");
clk_register_clkdev(clk[emma_ipg_gate], "emma-ipg", "mx2-camera.0");
The rationale is that the csi_ahb_gate really is a ahb clock related to
the csi whereas the emma clocks are normally for the emma device, but
the csi driver happens to use parts of the emma.
Sascha
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