Eric Anholt <e...@anholt.net> writes: > For the Raspberry Pi's bindings, the power domain also implicitly > turns on the clock and deasserts reset, but for the new Cygnus port we > start representing the clock in the devicetree.
> + v3d->clk = devm_clk_get(dev, "v3d_clk");
> + if (IS_ERR(v3d->clk)) {
> + int ret = PTR_ERR(v3d->clk);
> +
> + if (ret == -ENODEV) {
Apparently I hadn't booted this on RPi yet. This is supposed to be
-ENOENT.
> + /* bcm2835 didn't have a clock reference in the DT. */
> + ret = 0;
> + v3d->clk = NULL;
> + } else {
> + if (ret != -EPROBE_DEFER)
> + dev_err(dev, "Failed to get V3D clock: %d\n",
> + ret);
> + return ret;
> + }
> + }
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