linux-kernel - Re: [PATCH] phy: ralink: phy-mt7621-pci: properly print pointer address

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Date:   Fri, 7 May 2021 08:41:05 +0200
From:   Sergio Paracuellos <sergio.paracuellos@...il.com>
To:     Greg KH <gregkh@...uxfoundation.org>
Cc:     Vinod Koul <vkoul@...nel.org>, linux-phy@...ts.infradead.org,
        Kishon Vijay Abraham I <kishon@...com>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        linux-staging@...ts.linux.dev, NeilBrown <neil@...wn.name>,
        Ilya Lipnitskiy <ilya.lipnitskiy@...il.com>,
        kernel test robot <lkp@...el.com>
Subject: Re: [PATCH] phy: ralink: phy-mt7621-pci: properly print pointer address

Hi,

On Fri, May 7, 2021 at 8:27 AM Greg KH <gregkh@...uxfoundation.org> wrote:
>
> On Fri, May 07, 2021 at 08:01:42AM +0200, Sergio Paracuellos wrote:
> > The way of printing the pointer address for the 'port_base'
> > address got into compile warnings on some architectures
> > [-Wpointer-to-int-cast]. Instead of use '%08x' and cast
> > to an 'unsigned int' just make use of '%px' and avoid the
> > cast.
> >
> > Fixes: d87da32372a0 ("phy: ralink: Add PHY driver for MT7621 PCIe PHY")
> > Reported-by: kernel test robot <lkp@...el.com>
> > Signed-off-by: Sergio Paracuellos <sergio.paracuellos@...il.com>
> > ---
> >  drivers/phy/ralink/phy-mt7621-pci.c | 4 ++--
> >  1 file changed, 2 insertions(+), 2 deletions(-)
> >
> > diff --git a/drivers/phy/ralink/phy-mt7621-pci.c b/drivers/phy/ralink/phy-mt7621-pci.c
> > index 753cb5bab930..4705931fb072 100644
> > --- a/drivers/phy/ralink/phy-mt7621-pci.c
> > +++ b/drivers/phy/ralink/phy-mt7621-pci.c
> > @@ -272,8 +272,8 @@ static struct phy *mt7621_pcie_phy_of_xlate(struct device *dev,
> >
> >       mt7621_phy->has_dual_port = args->args[0];
> >
> > -     dev_info(dev, "PHY for 0x%08x (dual port = %d)\n",
> > -              (unsigned int)mt7621_phy->port_base, mt7621_phy->has_dual_port);
> > +     dev_info(dev, "PHY for 0x%px (dual port = %d)\n",
> > +              mt7621_phy->port_base, mt7621_phy->has_dual_port);
>
> This whole message should be dropped as drivers should be quiet if all
> is going well, and only print messages when things go wrong.

Got it. Will move this into dev_dbg instead. Thanks.

>
> And why cc: linux-staging?

True, sorry for that. Ctrl + r search for previous git send-mail and I
forgot to drop staging from there.

>
> thanks,
>
> greg k-h

Best regards,
    Sergio Paracuellos