On Thu, Jan 23, 2025 at 12:01:53PM +0100, Gregory CLEMENT wrote: > Hello, > > Some CM3.5 reports indicate that Hardware Cache Initialization is > complete, but in reality it's not the case. They also incorrectly show > that Hardware Cache Initialization is supported. Unfortunately, it is > not possible to detect this issue at runtime and the information has > to be passed by the device tree. > > In this third version, I rebased on v6.13. I also addressed remarks > made by Rob and Krzysztof, and endeavored to add more explanation > about CM, explaining why we now need to represent it in the device > tree. > > My initial proposal was integrated into the series set by Aleksandar > here [1]. And the series adding the CM binding was here: [2]. The > patches 1,2,3, and 5 have no dependencies while patch 4 should depend > on this series [1]. Actually, those five patches should replace > patches 10, 11, and 12. > > Gregory > > [1]: https://lore.kernel.org/all/20241028175935.51250-1-arikalo@xxxxxxxxx/ > [2]: https://lore.kernel.org/all/20240612-cm_probe-v2-5-a5b55440563c@xxxxxxxxxxx/ > > Signed-off-by: Gregory CLEMENT <gregory.clement@xxxxxxxxxxx> > --- > Changes in v3: > - Provide a more detailed explanation about the CM in the device tree binding. > - Make the reg property optional for all compatible strings. > - Use "mobileye" instead of "mti" for the eyeq6-cm compatible string. > - Address and correct the formatting issues in example and description. > - Link to v2: https://lore.kernel.org/r/20250116-cluster-hci-broken-v2-0-fc52cfb7a19e@xxxxxxxxxxx > > Changes in v2: > - Use compatible string instead of property > - Link to v1: https://lore.kernel.org/r/20241115-cluster-hci-broken-v1-0-00636800611d@xxxxxxxxxxx > > --- > Gregory CLEMENT (5): > dt-bindings: mips: Document mti,mips-cm > dt-bindings: mips: mips-cm: Add a new compatible string for EyeQ6 > MIPS: cm: Detect CM quirks from device tree > MIPS: CPS: Support broken HCI for multicluster > MIPS: mobileye: dts: eyeq6h: Enable cluster support > > .../devicetree/bindings/mips/mti,mips-cm.yaml | 57 ++++++++++++++++++++++ > arch/mips/boot/dts/mobileye/eyeq6h.dtsi | 4 ++ > arch/mips/include/asm/mips-cm.h | 22 +++++++++ > arch/mips/kernel/mips-cm.c | 14 ++++++ > arch/mips/kernel/smp-cps.c | 5 +- > 5 files changed, 101 insertions(+), 1 deletion(-) series applied to mips-next. Thomas. -- Crap can work. Given enough thrust pigs will fly, but it's not necessarily a good idea. [ RFC1925, 2.3 ]
