linux-kernel - Re: [PATCH] spmi: pmic-arb: Always allocate ppid_to

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Message-ID: <20170714165453.GA25773@hector.attlocal.net>
Date:   Fri, 14 Jul 2017 11:54:53 -0500
From:   Andy Gross <andy.gross@...aro.org>
To:     Stephen Boyd <sboyd@...eaurora.org>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        Abhijeet Dharmapurikar <adharmap@...eaurora.org>,
        Kiran Gunda <kgunda@...eaurora.org>
Subject: Re: [PATCH] spmi: pmic-arb: Always allocate ppid_to_apid table

On Mon, Jun 26, 2017 at 07:17:46PM -0700, Stephen Boyd wrote:
> After commit 7f1d4e58dabb ("spmi: pmic-arb: optimize table
> lookups") we always need the ppid_to_apid table regardless of the
> version of pmic arbiter we have. Otherwise, we will try to deref
> the array when we don't allocate it on v2 hardware like the
> msm8974 SoCs.
> 
> Cc: Abhijeet Dharmapurikar <adharmap@...eaurora.org>
> Cc: Kiran Gunda <kgunda@...eaurora.org>
> Fixes: 7f1d4e58dabb ("spmi: pmic-arb: optimize table lookups")
> Signed-off-by: Stephen Boyd <sboyd@...eaurora.org>

Greg,

Can you pick this up?  This is an urgent fix for Qualcomm 8x74 platforms.

Thanks!

Andy