Re: [RESEND v5 5/7] remoteproc: qcom: Add efuse evb selection control

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Quoting Srinivasa Rao Mandadapu (2022-08-22 01:22:01)
> Add efuse evb selection control and enable it for starting ADSP.

Why is it important? What is evb?

>
> Signed-off-by: Srinivasa Rao Mandadapu <quic_srivasam@xxxxxxxxxxx>
> ---
>  drivers/remoteproc/qcom_q6v5_adsp.c | 10 ++++++++++
>  1 file changed, 10 insertions(+)
>
> diff --git a/drivers/remoteproc/qcom_q6v5_adsp.c b/drivers/remoteproc/qcom_q6v5_adsp.c
> index 701a615..b0a63a0 100644
> --- a/drivers/remoteproc/qcom_q6v5_adsp.c
> +++ b/drivers/remoteproc/qcom_q6v5_adsp.c
> @@ -522,6 +527,11 @@ static int adsp_init_mmio(struct qcom_adsp *adsp,
>                 return PTR_ERR(adsp->qdsp6ss_base);
>         }
>
> +       adsp->lpass_efuse =  devm_platform_ioremap_resource_byname(pdev, "lpass_efuse");

Please do this in two phases:

	efuse_region = platform_get_resource(pdev, IORESOURCE_MEM, 1);
	if (!efuse_region) {
		adsp->lpass_efuse = NULL;
		dev_dbg(...);
	} else {
		adsp->lpass_efuse = devm_ioremap_resource(&pdev->dev, efuse_region);
		if (IS_ERR(adsp->lpass_efuse))
			return ERR_PTR(adsp->lpass_efuse);
	}


so that any ioremap errors are handled properly. Also using a string
comparison is not very useful when we can just as easily use the proper
index.



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