ASoC: stm32: sai: manage error when getting reset controller (028476c8) · Commits · 戴 / test

Return an error when the SAI driver fails to get a reset controller. Also add an error trace, except on probe defer status. Signed-off-by:

sound/soc/stm/stm32_sai.c

+9 −5

Original line number	Diff line number	Diff line
		@@ -197,12 +197,16 @@ static int stm32_sai_probe(struct platform_device *pdev)
		return sai->irq;

		/* reset */
		rst = devm_reset_control_get_exclusive(&pdev->dev, NULL);
		if (!IS_ERR(rst)) {
		rst = devm_reset_control_get_optional_exclusive(&pdev->dev, NULL);
		if (IS_ERR(rst)) {
		if (PTR_ERR(rst) != -EPROBE_DEFER)
		dev_err(&pdev->dev, "Reset controller error %ld\n",
		PTR_ERR(rst));
		return PTR_ERR(rst);
		}
		reset_control_assert(rst);
		udelay(2);
		reset_control_deassert(rst);
		}

		/* Enable peripheral clock to allow register access */
		ret = clk_prepare_enable(sai->pclk);