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Date: Mon, 2 Mar 2015 09:59:26 +0000
From: "Yang, Wenyou" <Wenyou.Yang@...el.com>
To: Alexandre Belloni <alexandre.belloni@...e-electrons.com>
CC: "Ferre, Nicolas" <Nicolas.FERRE@...el.com>,
"mark.rutland@....com" <mark.rutland@....com>,
"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
"linux@....linux.org.uk" <linux@....linux.org.uk>,
"pawel.moll@....com" <pawel.moll@....com>,
"ijc+devicetree@...lion.org.uk" <ijc+devicetree@...lion.org.uk>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
"robh+dt@...nel.org" <robh+dt@...nel.org>,
"galak@...eaurora.org" <galak@...eaurora.org>,
"linux@...im.org.za" <linux@...im.org.za>,
"linux-arm-kernel@...ts.infradead.org"
<linux-arm-kernel@...ts.infradead.org>
Subject: RE: [PATCH] ARM: dts: at919260/at91sam9g20: fix SRAM device tree
node
Hi Alexandre,
> -----Original Message-----
> From: Alexandre Belloni [mailto:alexandre.belloni@...e-electrons.com]
> Sent: 2015年3月2日 17:54
> To: Yang, Wenyou
> Cc: Ferre, Nicolas; mark.rutland@....com; devicetree@...r.kernel.org;
> linux@....linux.org.uk; pawel.moll@....com; ijc+devicetree@...lion.org.uk; linux-
> kernel@...r.kernel.org; robh+dt@...nel.org; galak@...eaurora.org;
> linux@...im.org.za; linux-arm-kernel@...ts.infradead.org
> Subject: Re: [PATCH] ARM: dts: at919260/at91sam9g20: fix SRAM device tree
> node
>
> Hi Wenyou,
>
> I'd prefer fixing the sram lookup in pm.c. I'll propose something however, I can't
> test on my side.
I can help test it if you give me your patches to me.
>
> On 02/03/2015 at 14:03:29 +0800, Wenyou Yang wrote :
> > Fix PM does not work on the at91sam9g20ek board
> > --->8---
> > at91_pm_sram_init: failed to find sram device!
> > ---<8---
> >
> > Signed-off-by: Wenyou Yang <wenyou.yang@...el.com>
> > ---
> > arch/arm/boot/dts/at91sam9260.dtsi | 9 +++++++--
> > arch/arm/boot/dts/at91sam9g20.dtsi | 9 +++++----
> > 2 files changed, 12 insertions(+), 6 deletions(-)
> >
> > diff --git a/arch/arm/boot/dts/at91sam9260.dtsi
> > b/arch/arm/boot/dts/at91sam9260.dtsi
> > index fff0ee6..d1eb27c 100644
> > --- a/arch/arm/boot/dts/at91sam9260.dtsi
> > +++ b/arch/arm/boot/dts/at91sam9260.dtsi
> > @@ -69,9 +69,14 @@
> > };
> > };
> >
> > - sram0: sram@...ff000 {
> > + sram0: sram@...00000 {
> > compatible = "mmio-sram";
> > - reg = <0x002ff000 0x2000>;
> > + reg = <0x00200000 0x1000>;
> > + };
> > +
> > + sram1: sram@...00000 {
> > + compatible = "mmio-sram";
> > + reg = <0x00300000 0x1000>;
> > };
> >
> > ahb {
> > diff --git a/arch/arm/boot/dts/at91sam9g20.dtsi
> > b/arch/arm/boot/dts/at91sam9g20.dtsi
> > index f593016..eb9a62d 100644
> > --- a/arch/arm/boot/dts/at91sam9g20.dtsi
> > +++ b/arch/arm/boot/dts/at91sam9g20.dtsi
> > @@ -16,13 +16,14 @@
> > reg = <0x20000000 0x08000000>;
> > };
> >
> > - sram0: sram@...ff000 {
> > - status = "disabled";
> > + sram0: sram@...00000 {
> > + compatible = "mmio-sram";
> > + reg = <0x00200000 0x4000>;
> > };
> >
> > - sram1: sram@...fc000 {
> > + sram1: sram@...00000 {
> > compatible = "mmio-sram";
> > - reg = <0x002fc000 0x8000>;
> > + reg = <0x00300000 0x4000>;
> > };
> >
> > ahb {
> > --
> > 1.7.9.5
> >
> >
> > _______________________________________________
> > linux-arm-kernel mailing list
> > linux-arm-kernel@...ts.infradead.org
> > http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
>
> --
> Alexandre Belloni, Free Electrons
> Embedded Linux, Kernel and Android engineering http://free-electrons.com
Best Regards,
Wenyou Yang
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