linux-kernel - Re: [PATCH v2 3/5] venus: add check to make scm calls

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Date:   Mon, 4 Jun 2018 21:58:08 +0900
From:   Tomasz Figa <tfiga@...omium.org>
To:     vgarodia@...eaurora.org
Cc:     Hans Verkuil <hverkuil@...all.nl>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Rob Herring <robh@...nel.org>,
        Mark Rutland <mark.rutland@....com>, andy.gross@...aro.org,
        bjorn.andersson@...aro.org,
        Stanimir Varbanov <stanimir.varbanov@...aro.org>,
        Linux Media Mailing List <linux-media@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-arm-msm <linux-arm-msm@...r.kernel.org>,
        linux-soc@...r.kernel.org, devicetree@...r.kernel.org,
        Alexandre Courbot <acourbot@...omium.org>
Subject: Re: [PATCH v2 3/5] venus: add check to make scm calls

Hi Vikash,

On Sat, Jun 2, 2018 at 5:27 AM Vikash Garodia <vgarodia@...eaurora.org> wrote:
[snip]
> +int venus_boot(struct venus_core *core)
> +{
> +       phys_addr_t mem_phys;
> +       size_t mem_size;
> +       int ret;
> +       struct device *dev;
> +
> +       if (!IS_ENABLED(CONFIG_QCOM_MDT_LOADER))
> +               return -EPROBE_DEFER;

Why are we deferring probe here? The option will not magically become
enabled after probe is retried.

Best regards,
Tomasz