Messages in this thread | | | Subject | Re: [PATCH 2/2] clk: qcom: restrict drivers per ARM/ARM64 | From | Stephen Boyd <> | Date | Mon, 30 Jan 2023 15:30:15 -0800 |
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Quoting Krzysztof Kozlowski (2023-01-26 01:31:55) > On 25/01/2023 21:44, Stephen Boyd wrote: > > Quoting Krzysztof Kozlowski (2023-01-23 01:49:25) > >> There is no point to allow selecting pin-controller drivers for Qualcomm > > > > pin controllers? > > Copy-paste, I'll fix it. > > > > >> ARMv7 SoCs when building ARM64 kernel, and vice versa. This makes > >> kernel configuration more difficult as many do not remember the Qualcomm > >> SoCs model names/numbers. There won't be a single image for ARMv7 and > >> ARMv8/9 SoCs, so no features/options are lost. > > > > Are the drivers used in arm32 emulation mode on these SoCs? I recall > > there are some SoCs they run with the arm architecture. > > I did not add it to the few SoCs which have upstream DTS in ARM and > ARM64. I added only to the ones which are in one specific folder. Also > my patch does not affect defconfigs (qcom_defconfig and arm64/defconfig).
Cool, thanks for checking. Is it possible to take a dtb from arm64 dts directory and boot it on an armv8 CPU running in 32-bit mode? Just wondering if even having the dts file exist in the arm64 architecture really matters here.
> > Whether downstream could be affected, I do not know. Anyway, what's > downstream it's the downstream's problem... >
Agreed. I wasn't asking about downstream.
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