Hi Alexandre, > -----Original Message----- > From: Alexandre Belloni [mailto:alexandre.belloni@xxxxxxxxxxxxxxxxxx] > Sent: 2015年3月2日 17:54 > To: Yang, Wenyou > Cc: Ferre, Nicolas; mark.rutland@xxxxxxx; devicetree@xxxxxxxxxxxxxxx; > linux@xxxxxxxxxxxxxxxx; pawel.moll@xxxxxxx; ijc+devicetree@xxxxxxxxxxxxxx; linux- > kernel@xxxxxxxxxxxxxxx; robh+dt@xxxxxxxxxx; galak@xxxxxxxxxxxxxx; > linux@xxxxxxxxxxxx; linux-arm-kernel@xxxxxxxxxxxxxxxxxxx > 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@xxxxxxxxx> > > --- > > 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@002ff000 { > > + sram0: sram@00200000 { > > compatible = "mmio-sram"; > > - reg = <0x002ff000 0x2000>; > > + reg = <0x00200000 0x1000>; > > + }; > > + > > + sram1: sram@00300000 { > > + 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@002ff000 { > > - status = "disabled"; > > + sram0: sram@00200000 { > > + compatible = "mmio-sram"; > > + reg = <0x00200000 0x4000>; > > }; > > > > - sram1: sram@002fc000 { > > + sram1: sram@00300000 { > > compatible = "mmio-sram"; > > - reg = <0x002fc000 0x8000>; > > + reg = <0x00300000 0x4000>; > > }; > > > > ahb { > > -- > > 1.7.9.5 > > > > > > _______________________________________________ > > linux-arm-kernel mailing list > > linux-arm-kernel@xxxxxxxxxxxxxxxxxxx > > 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 ?韬{.n?????%??檩??w?{.n????z谵{???塄}?财??j:+v?? ? ???2??璀??摺?囤??z夸z罐?+?????w棹f
