From: Tony Lindgren <tony@atomide.com>
To: Haojian Zhuang <haojian.zhuang@linaro.org>
Cc: Linus Walleij <linus.walleij@linaro.org>,
Grygorii Strashko <grygorii.strashko@ti.com>,
Nishanth Menon <nm@ti.com>,
linux-gpio@vger.kernel.org, linux-omap@vger.kernel.org
Subject: Re: [PATCH] pinctrl: single: Remove invalid message
Date: Sun, 17 Dec 2017 08:07:40 -0800 [thread overview]
Message-ID: <20171217160740.GJ3875@atomide.com> (raw)
In-Reply-To: <c51cd2c7-3d36-3dc5-11f8-06c162ca3639@linaro.org>
* Haojian Zhuang <haojian.zhuang@linaro.org> [171217 05:43]:
> On 2017/12/15 0:51, Tony Lindgren wrote:
> > Pinctrl single should just show how many pins were found, the physical
> > address is already in the dev information. So let's remove the wrong
> > information that claims to show the physical address but really prints
> > a virtual address that is now hashed.
> >
> > Signed-off-by: Tony Lindgren <tony@atomide.com>
> > ---
> > drivers/pinctrl/pinctrl-single.c | 3 +--
> > 1 file changed, 1 insertion(+), 2 deletions(-)
> >
> > diff --git a/drivers/pinctrl/pinctrl-single.c b/drivers/pinctrl/pinctrl-single.c
> > --- a/drivers/pinctrl/pinctrl-single.c
> > +++ b/drivers/pinctrl/pinctrl-single.c
> > @@ -1774,8 +1774,7 @@ static int pcs_probe(struct platform_device *pdev)
> > dev_warn(pcs->dev, "initialized with no interrupts\n");
> > }
> > - dev_info(pcs->dev, "%i pins at pa %p size %u\n",
> > - pcs->desc.npins, pcs->base, pcs->size);
> > + dev_info(pcs->dev, "%i pins, size %u\n", pcs->desc.npins, pcs->size);
> > return pinctrl_enable(pcs->pctl);
> >
> Hi Tony,
>
> If there's only one pinctrl region in SoC, it's fine to remove the pa part.
> But there're always multiple pinctrl regions in Hisilicon SoCs. It causes
> multiple pinctrl register bases are used. Will it cause debug information
> harder to read when pa parts are removed?
I doubt as for years now we've been printing out the va instead of pa
and so far nobody noticed :) We still get the real device pa with the
dev_info, size and number of pins.
Regards,
Tony
next prev parent reply other threads:[~2017-12-17 16:07 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-12-14 16:51 [PATCH] pinctrl: single: Remove invalid message Tony Lindgren
2017-12-17 5:25 ` Haojian Zhuang
2017-12-17 16:07 ` Tony Lindgren [this message]
2017-12-18 0:21 ` Haojian Zhuang
2017-12-20 11:39 ` Linus Walleij
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