linux-kernel - Re: [PATCH 08/14] soc: qcom: smem: Add qcom_smem_is

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Date:   Mon, 5 Jun 2023 21:13:22 +0200
From:   Stephan Gerhold <stephan@...hold.net>
To:     Konrad Dybcio <konrad.dybcio@...aro.org>
Cc:     Bjorn Andersson <andersson@...nel.org>,
        Andy Gross <agross@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Mathieu Poirier <mathieu.poirier@...aro.org>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-remoteproc@...r.kernel.org
Subject: Re: [PATCH 08/14] soc: qcom: smem: Add qcom_smem_is_available()

On Mon, Jun 05, 2023 at 08:53:21PM +0200, Konrad Dybcio wrote:
> 
> 
> On 5.06.2023 09:08, Stephan Gerhold wrote:
> > Avoid having to look up a dummy item from SMEM to detect if it is
> > already available or if we need to defer probing.
> > 
> > Signed-off-by: Stephan Gerhold <stephan@...hold.net>
> > ---
> >  drivers/soc/qcom/smem.c       | 9 +++++++++
> >  include/linux/soc/qcom/smem.h | 1 +
> >  2 files changed, 10 insertions(+)
> > 
> > diff --git a/drivers/soc/qcom/smem.c b/drivers/soc/qcom/smem.c
> > index b0d59e815c3b..3d93a6681494 100644
> > --- a/drivers/soc/qcom/smem.c
> > +++ b/drivers/soc/qcom/smem.c
> > @@ -359,6 +359,15 @@ static struct qcom_smem *__smem;
> >  /* Timeout (ms) for the trylock of remote spinlocks */
> >  #define HWSPINLOCK_TIMEOUT	1000
> >  
> > +/**
> > + * qcom_smem_is_available() - Checks if SMEM is available
> > + */
> Shouldn't kerneldoc explicitly say "returns x if y else z"?
> 

Seems like yes but I copy-pasted from other examples in this file and
there it is always missing. I'll add something simple in v2.

Thanks,
Stephan