Re: [PATCH] remoteproc: Add support for xo clock

From: Stephen Boyd
Date: Thu Oct 20 2016 - 19:54:33 EST


On 10/20, Sarangdhar Joshi wrote:
> Add xo clock support required for Qualcomm ADSP
> Peripheral Image Loader.

Yes but why is xo needed?

> @@ -223,6 +232,17 @@ static irqreturn_t adsp_stop_ack_interrupt(int irq, void *dev)
> return IRQ_HANDLED;
> }
>
> +static int adsp_init_clock(struct qcom_adsp *adsp)
> +{
> + adsp->xo = devm_clk_get(adsp->dev, "xo");
> + if (IS_ERR(adsp->xo)) {
> + dev_err(adsp->dev, "failed to get xo clock");

What if it's a probe defer error? Probably best to just be
silent/debug level, or we need a specific test for EPROBE_DEFER
and then silence in that case.

> + return PTR_ERR(adsp->xo);
> + }

--
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
a Linux Foundation Collaborative Project