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

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Message-ID: <20170717125721.GA29753@kroah.com>
Date:   Mon, 17 Jul 2017 14:57:21 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Andy Gross <andy.gross@...aro.org>
Cc:     Stephen Boyd <sboyd@...eaurora.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 Fri, Jul 14, 2017 at 11:54:53AM -0500, Andy Gross wrote:
> 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.

Will get it now, thanks.

greg k-h