From: Yoshinori Sato <ysato@users.sourceforge.jp>
To: Rob Herring <robh@kernel.org>
Cc: "devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
SH-Linux <linux-sh@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH RESEND 12/12] of: Add sh support
Date: Tue, 10 May 2016 16:46:24 +0900 [thread overview]
Message-ID: <87bn4epd7z.wl-ysato@users.sourceforge.jp> (raw)
In-Reply-To: <CAL_JsqKTaJEFtPm-R3WS23S0Zhvm4T2d3_dscHB2o-KGUfkqfQ@mail.gmail.com>
On Mon, 02 May 2016 21:35:28 +0900,
Rob Herring wrote:
>
> On Sun, May 1, 2016 at 12:08 AM, Yoshinori Sato
> <ysato@users.sourceforge.jp> wrote:
> > sh fdt access in VA. But memory reservation use PA.
> > So sh need convert to PA.
> >
> > Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp>
> > ---
> > drivers/of/fdt.c | 3 +++
> > 1 file changed, 3 insertions(+)
> >
> > diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c
> > index 3349d2a..fb357be 100644
> > --- a/drivers/of/fdt.c
> > +++ b/drivers/of/fdt.c
> > @@ -593,6 +593,9 @@ void __init early_init_fdt_scan_reserved_mem(void)
> > fdt_get_mem_rsv(initial_boot_params, n, &base, &size);
> > if (!size)
> > break;
> > +#ifdef CONFIG_SUPERH
> > + base = virt_to_phys(base);
> > +#endif
> > early_init_dt_reserve_memory_arch(base, size, 0);
>
> This is not right. base is already a physical address and
> early_init_dt_reserve_memory_arch takes a physical address. The
> default implementation using memblock also works on physical
> addresses. It is a weak function so you can override it if you need to
> do something special. But it seems something else is wrong here if you
> need this.
Thank you very much for your advice.
The function of the sh specific is defined.
> Rob
--
Yoshinori Sato
<ysato@users.sourceforge.jp>
prev parent reply other threads:[~2016-05-10 7:46 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-01 5:08 [PATCH RESEND 00/12] SH: landisk convert to devicetree Yoshinori Sato
2016-05-01 5:08 ` [PATCH RESEND 10/12] sh: I/O DATA HDL-U (aka landisk) support dts Yoshinori Sato
[not found] ` <1462079316-27771-11-git-send-email-ysato-Rn4VEauK+AKRv+LV9MX5uooqe+aC9MnS@public.gmane.org>
2016-05-04 3:27 ` Rich Felker
2016-05-10 7:43 ` Yoshinori Sato
2016-05-01 5:08 ` [PATCH RESEND 12/12] of: Add sh support Yoshinori Sato
2016-05-02 12:35 ` Rob Herring
2016-05-10 7:46 ` Yoshinori Sato [this message]
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