linux-kernel - Re: [PATCH] soc: qcom: rpmh-rsc: Sleep waiting for tcs slots to be free

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Date:   Fri, 24 Jul 2020 13:27:20 -0700
From:   Stephen Boyd <swboyd@...omium.org>
To:     Doug Anderson <dianders@...omium.org>
Cc:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        LKML <linux-kernel@...r.kernel.org>,
        linux-arm-msm <linux-arm-msm@...r.kernel.org>,
        Maulik Shah <mkshah@...eaurora.org>,
        Lina Iyer <ilina@...eaurora.org>
Subject: Re: [PATCH] soc: qcom: rpmh-rsc: Sleep waiting for tcs slots to be free

Quoting Doug Anderson (2020-07-24 13:11:59)
> 
> I wasn't suggesting adding a timeout.  I was just saying that if
> claim_tcs_for_req() were to ever return an error code other than
> -EBUSY that we'd need a check for it because otherwise we'd interpret
> the result as a tcs_id.
> 

Ok that sounds like you don't want a check for -EBUSY so I'll leave this
as >= 0.