Messages in this thread | | | Date | Wed, 8 Jun 2016 12:33:00 +0200 | From | Alexandre Belloni <> | Subject | Re: [PATCH v3 2/2] ARM: at91/dt: sama5d2: Use new compatible for ohci node |
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On 08/06/2016 at 12:06:11 +0200, Nicolas Ferre wrote : > Le 08/06/2016 06:15, Wenyou Yang a écrit : > > Use compatible "atmel,sama5d2-ohci" to be capable of suspending > > ports while sleep to save the power consumption. > > > > Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com> > > --- > > > > Changes in v3: None > > Changes in v2: > > - Use the new compatible for ohci-node. > > > > arch/arm/boot/dts/sama5d2.dtsi | 2 +- > > 1 file changed, 1 insertion(+), 1 deletion(-) > > > > diff --git a/arch/arm/boot/dts/sama5d2.dtsi b/arch/arm/boot/dts/sama5d2.dtsi > > index 78996bd..03d6724 100644 > > --- a/arch/arm/boot/dts/sama5d2.dtsi > > +++ b/arch/arm/boot/dts/sama5d2.dtsi > > @@ -232,7 +232,7 @@ > > }; > > > > usb1: ohci@00400000 { > > - compatible = "atmel,at91rm9200-ohci", "usb-ohci"; > > + compatible = "atmel,sama5d2-ohci", "usb-ohci"; > > We must change this to: > + compatible = "atmel,sama5d2-ohci", "atmel,at91rm9200-ohci", "usb-ohci"; > > To make it independent from the one that may reach Mainline through the USB git tree. >
Well, like discussed, I'd say that a new compatible is not needed as we already know on which chip we are running depending on the SFR that we can lookup. My concern was only to avoid calling a function unnecessarily on !sama5d2 platforms. > > > reg = <0x00400000 0x100000>; > > interrupts = <41 IRQ_TYPE_LEVEL_HIGH 2>; > > clocks = <&uhphs_clk>, <&uhphs_clk>, <&uhpck>; > > > > Bye, > -- > Nicolas Ferre
-- Alexandre Belloni, Free Electrons Embedded Linux, Kernel and Android engineering http://free-electrons.com
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