linux-kernel - Re: [PATCH v1 4/8] soc/fsl/qbman: Use index when accessing device tree properties

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Date:   Tue, 14 May 2019 04:51:35 +0000
From:   Joakim Tjernlund <Joakim.Tjernlund@...inera.com>
To:     "linuxppc-dev@...ts.ozlabs.org" <linuxppc-dev@...ts.ozlabs.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "leoyang.li@....com" <leoyang.li@....com>,
        "roy.pledge@....com" <roy.pledge@....com>
CC:     "madalin.bucur@....com" <madalin.bucur@....com>,
        "laurentiu.tudor@....com" <laurentiu.tudor@....com>
Subject: Re: [PATCH v1 4/8] soc/fsl/qbman: Use index when accessing device
 tree properties

On Mon, 2019-05-13 at 17:40 +0000, Roy Pledge wrote:
> CAUTION: This email originated from outside of the organization. Do not click links or open attachments unless you recognize the sender and know the content is safe.
> 
> 
> On 5/13/2019 12:40 PM, Joakim Tjernlund wrote:
> > On Mon, 2019-05-13 at 16:09 +0000, Roy Pledge wrote:
> > > The index value should be passed to the of_parse_phandle()
> > > function to ensure the correct property is read.
> > Is this a bug fix? Maybe for stable too?
> > 
> >  Jocke
> Yes this could go to stable.  I will include stable@...r.kernel.org when
> I send the next version.

I think you need to send this patch separately then. The whole series cannot go to stable.

 Jocke

> > > Signed-off-by: Roy Pledge <roy.pledge@....com>
> > > ---
> > >  drivers/soc/fsl/qbman/dpaa_sys.c | 2 +-
> > >  1 file changed, 1 insertion(+), 1 deletion(-)
> > > 
> > > diff --git a/drivers/soc/fsl/qbman/dpaa_sys.c b/drivers/soc/fsl/qbman/dpaa_sys.c
> > > index 3e0a7f3..0b901a8 100644
> > > --- a/drivers/soc/fsl/qbman/dpaa_sys.c
> > > +++ b/drivers/soc/fsl/qbman/dpaa_sys.c
> > > @@ -49,7 +49,7 @@ int qbman_init_private_mem(struct device *dev, int idx, dma_addr_t *addr,
> > >                         idx, ret);
> > >                 return -ENODEV;
> > >         }
> > > -       mem_node = of_parse_phandle(dev->of_node, "memory-region", 0);
> > > +       mem_node = of_parse_phandle(dev->of_node, "memory-region", idx);
> > >         if (mem_node) {
> > >                 ret = of_property_read_u64(mem_node, "size", &size64);
> > >                 if (ret) {
> > > --
> > > 2.7.4
> > >