linux-kernel - Re: [PATCH] i2c: Convert to using %pOFn instead of device

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Date:   Wed, 29 Aug 2018 19:49:37 -0500
From:   Rob Herring <robh@...nel.org>
To:     Peter Rosin <peda@...ntia.se>
Cc:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Michael Ellerman <mpe@...erman.id.au>,
        Linux I2C <linux-i2c@...r.kernel.org>,
        linuxppc-dev <linuxppc-dev@...ts.ozlabs.org>
Subject: Re: [PATCH] i2c: Convert to using %pOFn instead of device_node.name

On Wed, Aug 29, 2018 at 7:25 PM Peter Rosin <peda@...ntia.se> wrote:
>
> On 2018-08-29 20:42, Rob Herring wrote:
> > On Wed, Aug 29, 2018 at 1:03 PM Peter Rosin <peda@...ntia.se> wrote:
> >>
> >> On 2018-08-28 03:52, Rob Herring wrote:
> >>> In preparation to remove the node name pointer from struct device_node,
> >>> convert printf users to use the %pOFn format specifier.
> >>>
> >>> Cc: Benjamin Herrenschmidt <benh@...nel.crashing.org>
> >>> Cc: Paul Mackerras <paulus@...ba.org>
> >>> Cc: Michael Ellerman <mpe@...erman.id.au>
> >>> Cc: Peter Rosin <peda@...ntia.se>
> >>> Cc: linux-i2c@...r.kernel.org
> >>> Cc: linuxppc-dev@...ts.ozlabs.org
> >>> Signed-off-by: Rob Herring <robh@...nel.org>
> >>> ---
> >>>  drivers/i2c/busses/i2c-powermac.c | 15 ++++++++-------
> >>>  drivers/i2c/muxes/i2c-mux-gpmux.c |  4 ++--
> >>>  2 files changed, 10 insertions(+), 9 deletions(-)
> >>>
> >>> diff --git a/drivers/i2c/busses/i2c-powermac.c b/drivers/i2c/busses/i2c-powermac.c
> >>> index f2a2067525ef..b706fd136ca5 100644
> >>> --- a/drivers/i2c/busses/i2c-powermac.c
> >>> +++ b/drivers/i2c/busses/i2c-powermac.c
> >>> @@ -390,7 +390,6 @@ static int i2c_powermac_probe(struct platform_device *dev)
> >>>       struct pmac_i2c_bus *bus = dev_get_platdata(&dev->dev);
> >>>       struct device_node *parent = NULL;
> >>
> >> Lose the initializer...
> >
> > That's pretty much unrelated though.
>
> I disagree. If you remove the need for the initializer, it's very much
> related to also remove the initializer.

You're right. I'd stared at it a bit and missed that in fact parent is
only accessed within the case statement.

Rob