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Fri, 04 Apr 2025 11:55:20 -0700 (PDT) Date: Fri, 4 Apr 2025 11:55:17 -0700 From: Drew Fustini To: Michal Wilczynski , Conor Dooley Cc: robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, guoren@kernel.org, wefu@redhat.com, paul.walmsley@sifive.com, palmer@dabbelt.com, aou@eecs.berkeley.edu, alex@ghiti.fr, jszhang@kernel.org, ulf.hansson@linaro.org, m.szyprowski@samsung.com, linux-pm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org Subject: Re: [PATCH v8 5/5] riscv: Enable PM_GENERIC_DOMAINS for T-Head SoCs Message-ID: References: <20250311171900.1549916-1-m.wilczynski@samsung.com> <20250311171900.1549916-6-m.wilczynski@samsung.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250311171900.1549916-6-m.wilczynski@samsung.com> On Tue, Mar 11, 2025 at 06:19:00PM +0100, Michal Wilczynski wrote: > T-Head SoCs feature separate power domains (power islands) for major > components like the GPU, Audio, and NPU. To manage the power states of > these components effectively, the kernel requires generic power domain > support. > > This commit enables `CONFIG_PM_GENERIC_DOMAINS` for T-Head SoCs, > allowing the power domain driver for these components to be compiled and > integrated. This ensures proper power management and energy efficiency > on T-Head platforms. > > By selecting `PM_GENERIC_DOMAINS`, we provide the necessary framework > for the power domain drivers to function correctly on RISC-V > architecture with T-Head SoCs. > > Signed-off-by: Michal Wilczynski > --- > arch/riscv/Kconfig.socs | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/arch/riscv/Kconfig.socs b/arch/riscv/Kconfig.socs > index 1916cf7ba450..83833ded8908 100644 > --- a/arch/riscv/Kconfig.socs > +++ b/arch/riscv/Kconfig.socs > @@ -53,6 +53,7 @@ config ARCH_THEAD > bool "T-HEAD RISC-V SoCs" > depends on MMU && !XIP_KERNEL > select ERRATA_THEAD > + select PM_GENERIC_DOMAINS if PM > help > This enables support for the RISC-V based T-HEAD SoCs. > > -- > 2.34.1 > Reviewed-by: Drew Fustini Conor - would you be able to take this Kconfig.socs patch? Thanks, Drew