Hi Shawn, Please see my reply inline. > -----Original Message----- > From: Shawn Guo [mailto:shawnguo@xxxxxxxxxx] > Sent: Thursday, May 11, 2017 3:35 PM > To: Andy Tang <andy.tang@xxxxxxx> > Cc: mark.rutland@xxxxxxx; devicetree@xxxxxxxxxxxxxxx; > catalin.marinas@xxxxxxx; will.deacon@xxxxxxx; robh+dt@xxxxxxxxxx; > linux-arm-kernel@xxxxxxxxxxxxxxxxxxx > Subject: Re: [PATCH] arm64: dts: ls1088a: update the sata node > > On Mon, May 08, 2017 at 11:13:29AM +0800, Yuantian Tang wrote: > > 1. Sata ecc should be disabled due to a erratum. > > Provide the ecc register address for driver to use. > > This is a bit confusing. Are you saying that the ECC register address is > provided in DT for SATA driver to disable ECC function? > Yes, we have a ECC register to control all the IP's ecc status. This ECC register doesn't belong to any IP block. > > 2. Enable dma coherence operation > > > > Signed-off-by: Tang Yuantian <andy.tang@xxxxxxx> > > --- > > arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi | 5 ++++- > > 1 file changed, 4 insertions(+), 1 deletion(-) > > > > diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi > > b/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi > > index 2946fd7..90edd76 100644 > > --- a/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi > > +++ b/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi > > @@ -265,10 +265,13 @@ > > > > sata: sata@3200000 { > > compatible = "fsl,ls1088a-ahci", "fsl,ls1043a-ahci"; > > - reg = <0x0 0x3200000 0x0 0x10000>; > > + reg = <0x0 0x3200000 0x0 0x10000>, > > + <0x0 0x20140520 0x0 0x4>; > > + reg-names = "ahci", "sata-ecc"; > > interrupts = <0 133 IRQ_TYPE_LEVEL_HIGH>; > > clocks = <&clockgen 4 3>; > > status = "disabled"; > > + dma-coherent; > > Please add it above 'status' line, which we generally keep at the bottom of > property list. > OK, Will resend this patch. Thanks, Andy > Shawn > > > }; > > }; > > > > -- > > 2.1.0.27.g96db324 > > > > > > _______________________________________________ > > linux-arm-kernel mailing list > > linux-arm-kernel@xxxxxxxxxxxxxxxxxxx > > http://lists.infradead.org/mailman/listinfo/linux-arm-kernel -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html