Re: [PATCH] ASoC: fsl_asrc: Add initialization finishing check in runtime resume

From: Nicolin Chen
Date: Mon Sep 05 2022 - 09:15:54 EST


On Mon, Sep 5, 2022 at 3:47 AM Shengjiu Wang <shengjiu.wang@xxxxxxx> wrote:
> @@ -1295,6 +1301,17 @@ static int fsl_asrc_runtime_resume(struct device *dev)
> regmap_update_bits(asrc->regmap, REG_ASRCTR,
> ASRCTR_ASRCEi_ALL_MASK, asrctr);
>
> + /* Wait for status of initialization for every enabled pairs */
> + do {
> + udelay(5);
> + regmap_read(asrc->regmap, REG_ASRCFG, &reg);
> + reg = (reg >> ASRCFG_INIRQi_SHIFT(0)) & 0x7;
> + } while ((reg != ((asrctr >> ASRCTR_ASRCEi_SHIFT(0)) & 0x7)) && --retry);
> +
> + /* FIXME: Doesn't treat initialization timeout as error */
> + if (!retry)
> + dev_warn(dev, "initialization isn't finished\n");

Any reason why not just dev_err?