[PATCH 2/2] dmaengine: vdma: Add clock support

Moritz Fischer moritz.fischer at ettus.com
Wed Apr 20 11:39:02 PDT 2016


Hi,

thanks for looking into this.

On Wed, Apr 20, 2016 at 12:20 AM, Kedareswara rao Appana
<appana.durga.rao at xilinx.com> wrote:

> +static int xdma_clk_init(struct xilinx_dma_device *xdev, bool enable)
> +{
> +       int i = 0, ret;
> +
> +       for (i = 0; i < xdev->numclks; i++) {
> +               if (enable) {
> +                       ret = clk_prepare_enable(xdev->clks[i]);
> +                       if (ret) {
> +                               dev_err(xdev->dev,
> +                                       "failed to enable the axidma clock\n");
> +                               return ret;

What happens to the ones you already turned on, if say the third fails?

Cheers,

Moritz



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