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Mon, 01 Nov 2021 12:35:36 -0700 (PDT) Received: from localhost ([31.134.121.151]) by smtp.gmail.com with ESMTPSA id pw14sm2336124ejb.108.2021.11.01.12.35.35 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 01 Nov 2021 12:35:35 -0700 (PDT) From: Sam Protsenko To: Catalin Marinas , Will Deacon , Daniel Lezcano , Thomas Gleixner , Krzysztof Kozlowski Cc: Marek Szyprowski , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-samsung-soc@vger.kernel.org Subject: [PATCH 2/2] arm64: platform: Enable Exynos Multi-Core Timer driver Date: Mon, 1 Nov 2021 21:35:31 +0200 Message-Id: <20211101193531.15078-3-semen.protsenko@linaro.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20211101193531.15078-1-semen.protsenko@linaro.org> References: <20211101193531.15078-1-semen.protsenko@linaro.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211101_123537_834551_08DC18A7 X-CRM114-Status: GOOD ( 13.75 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Marek Szyprowski Some ARM64 Exynos SoCs have MCT timer block, e.g. Exynos850 and Exynos5433. CLKSRC_EXYNOS_MCT option is not visible unless COMPILE_TEST is enabled. Select CLKSRC_EXYNOS_MCT option for ARM64 ARCH_EXYNOS like it's done in arch/arm/mach-exynos/Kconfig, to enable MCT timer support for ARM64 Exynos SoCs. Even though ARM architected timer is available on all ARM64 SoCs, and used for managing timer hardware and clock source events, MCT timer still can be used as a wakeup source, as stated in commitae460fd9164b ("clocksource/drivers/exynos_mct: Prioritise Arm arch timer on arm64"). It's also nice to be able to test available MCT IP-core. Signed-off-by: Marek Szyprowski Reviewed-by: Krzysztof Kozlowski Reviewed-by: Chanwoo Choi Tested-by: Chanwoo Choi Signed-off-by: Sam Protsenko --- arch/arm64/Kconfig.platforms | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/Kconfig.platforms b/arch/arm64/Kconfig.platforms index 1aa8b7073218..91f5e9568122 100644 --- a/arch/arm64/Kconfig.platforms +++ b/arch/arm64/Kconfig.platforms @@ -89,6 +89,7 @@ config ARCH_BRCMSTB config ARCH_EXYNOS bool "ARMv8 based Samsung Exynos SoC family" select COMMON_CLK_SAMSUNG + select CLKSRC_EXYNOS_MCT select EXYNOS_PM_DOMAINS if PM_GENERIC_DOMAINS select EXYNOS_PMU select PINCTRL