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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi Peng, On Wed, Dec 18 2019, Peng Fan wrote: > From: Peng Fan > > According to arm cpus binding doc, > " > On 32-bit ARM v7 or later systems this property is > required and matches the CPU MPIDR[23:0] register > bits. > > Bits [23:0] in the reg cell must be set to > bits [23:0] in MPIDR. > > All other bits in the reg cell must be set to 0. > " > > In i.MX7ULP, the MPIDR[23:0] is 0xf00, not 0, so fix it. > Otherwise there will be warning: > "DT missing boot CPU MPIDR[23:0], fall back to default cpu_logical_map" > > Fixes: 20434dc92c05 ("ARM: dts: imx: add common imx7ulp dtsi support") > Signed-off-by: Peng Fan > --- > arch/arm/boot/dts/imx7ulp.dtsi | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/arch/arm/boot/dts/imx7ulp.dtsi b/arch/arm/boot/dts/imx7ulp.dtsi > index d37a1927c88e..aa9e50178d6b 100644 > --- a/arch/arm/boot/dts/imx7ulp.dtsi > +++ b/arch/arm/boot/dts/imx7ulp.dtsi > @@ -40,7 +40,7 @@ > cpu0: cpu@0 { The address suffix in the node name should update to match 'reg'. > compatible = "arm,cortex-a7"; > device_type = "cpu"; > - reg = <0>; > + reg = <0xf00>; > }; > }; baruch -- http://baruch.siach.name/blog/ ~. .~ Tk Open Systems =}------------------------------------------------ooO--U--Ooo------------{= - baruch@tkos.co.il - tel: +972.52.368.4656, http://www.tkos.co.il - _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel