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SubjectRe: [PATCH] soc: qcom: smem: Silence probe defer error
On Fri 01 Jul 14:18 PDT 2016, Stephen Boyd wrote:

> If we fail to get the hwspinlock due to probe defer, we shouldn't
> print an error message. Just be silent in this case.
>

This generally seems to result in a large pile of drivers ending up on
the probe deferr list, so something we should try to avoid.

But the patch itself looks good:
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>

Regards,
Bjorn

> Cc: Bjorn Andersson <bjorn.andersson@linaro.org>
> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
> ---
> drivers/soc/qcom/smem.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/soc/qcom/smem.c b/drivers/soc/qcom/smem.c
> index 2e1aa9f130f4..18ec52f2078a 100644
> --- a/drivers/soc/qcom/smem.c
> +++ b/drivers/soc/qcom/smem.c
> @@ -740,7 +740,8 @@ static int qcom_smem_probe(struct platform_device *pdev)
>
> hwlock_id = of_hwspin_lock_get_id(pdev->dev.of_node, 0);
> if (hwlock_id < 0) {
> - dev_err(&pdev->dev, "failed to retrieve hwlock\n");
> + if (hwlock_id != -EPROBE_DEFER)
> + dev_err(&pdev->dev, "failed to retrieve hwlock\n");
> return hwlock_id;
> }
>
> --
> The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
> a Linux Foundation Collaborative Project
>

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