From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753219AbcHPG1x (ORCPT ); Tue, 16 Aug 2016 02:27:53 -0400 Received: from mailout1.samsung.com ([203.254.224.24]:43865 "EHLO mailout1.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753037AbcHPG1r (ORCPT ); Tue, 16 Aug 2016 02:27:47 -0400 X-AuditID: cbfee68d-f79286d000007a9a-e4-57b2b26169a7 From: Chanwoo Choi To: k.kozlowski@samsung.com, kgene@kernel.org, robh+dt@kernel.org, mark.rutland@arm.com, catalin.marinas@arm.com, will.deacon@arm.com, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org Cc: krzk@kernel.org, cw00.choi@samsung.com, jh80.chung@samsung.com, sw0312.kim@samsung.com, jy0922.shim@samsung.com, inki.dae@samsung.com, jonghwa3.lee@samsung.com, beomho.seo@samsung.com, jaewon02.kim@samsung.com, human.hwang@samsung.com, ideal.song@samsung.com, ingi2.kim@samsung.com, m.szyprowski@samsung.com, a.hajda@samsung.com, s.nawrocki@samsung.com, chanwoo@kernel.org, Daniel Lezcano , Thomas Gleixner Subject: [PATCH 1/7] clocksource: exynos_mct: Add the support for Exynos 64bit SoC Date: Tue, 16 Aug 2016 15:27:17 +0900 Message-id: <1471328843-26653-2-git-send-email-cw00.choi@samsung.com> X-Mailer: git-send-email 1.8.0 In-reply-to: <1471328843-26653-1-git-send-email-cw00.choi@samsung.com> References: <1471328843-26653-1-git-send-email-cw00.choi@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFjrLIsWRmVeSWpSXmKPExsWyRsSkQDdx06Zwg/5PQha31p1jtTj9aRu7 xftlPYwWE29cYbG4/uU5q8W8z7IW848AJZfO6GO12PX3PqPFjptf2Cwm3Z/AYrGj4QirxY1f bawWnWefMFu8uHeRxeL1C0OL/sevmS3On9/AbrHp8TVWi8u75rBZzDi/j8li7ZG77BZLr19k smjde4Td4vCbdlaLGZNfslls3jSV2eLlxxMsDjIea+atYfTYtKqTzePOtT1sHu/OnWP32Lyk 3qNvyypGj8+b5ALYo7hsUlJzMstSi/TtErgy/sw7wlywgL9iy7TVjA2MX3m6GDk5JARMJE4+ 388IYYtJXLi3nq2LkYtDSGAFo8TdXbtZYYpurdgBlZjFKPHm2hlGCOcLo8T+dSfAqtgEtCT2 v7gBViUi0McksezUWSYQh1ngGrPEhFNPwKqEBUIkbu0FWcjBwSKgKvFxRRxImFfAVaJj+Rs2 iHVyEh/2PGIHsTkF3CR+LFrMAmILAdWcOjOPHWSmhMARDonJnycxgSRYBAQkvk0+xAIyU0JA VmLTAWaIOZISB1fcYJnAKLyAkWEVo2hqQXJBcVJ6kaFecWJucWleul5yfu4mRmAsn/73rHcH 4+0D1ocYBTgYlXh4LdZtChdiTSwrrsw9xGgKtGEis5Rocj4wYeSVxBsamxlZmJqYGhuZW5op ifMqSv0MFhJITyxJzU5NLUgtii8qzUktPsTIxMEp1cCYUz9jbrJuRXPa5vi1E4tDb/R7nfx8 cn9g7c9Y7zl88pN9ZJdsj9vA324dnFMekqVjqr69RnS6QMaJwNulx15NNGfZ/mzm8c/uMzyX rtr0xOp1bULBre9sy99ss9+iovuXubZNw+5FygwD7uaXL6VWyFmYOV1M31v1Z9nC0owzeetY 1QLFvcOVWIozEg21mIuKEwHEgx7c4AIAAA== X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFprFKsWRmVeSWpSXmKPExsVy+t9jQd3ETZvCDV495rK4te4cq8XpT9vY Ld4v62G0mHjjCovF9S/PWS3mfZa1mH8EKLl0Rh+rxa6/9xktdtz8wmYx6f4EFosdDUdYLW78 amO16Dz7hNnixb2LLBavXxha9D9+zWxx/vwGdotNj6+xWlzeNYfNYsb5fUwWa4/cZbdYev0i k0Xr3iPsFofftLNazJj8ks1i86apzBYvP55gcZDxWDNvDaPHplWdbB53ru1h83h37hy7x+Yl 9R59W1YxenzeJBfAHtXAaJORmpiSWqSQmpecn5KZl26r5B0c7xxvamZgqGtoaWGupJCXmJtq q+TiE6DrlpkD9LeSQlliTilQKCCxuFhJ3w7ThNAQN10LmMYIXd+QILgeIwM0kLCGMePPvCPM BQv4K7ZMW83YwPiVp4uRk0NCwETi1oodbBC2mMSFe+uBbC4OIYFZjBJvrp1hhHC+MErsX3eC FaSKTUBLYv+LG2BVIgJ9TBLLTp1lAnGYBa4xS0w49QSsSlggROLW3v1A7RwcLAKqEh9XxIGE eQVcJTqWv4FaJyfxYc8jdhCbU8BN4seixSwgthBQzakz89gnMPIuYGRYxSiRWpBcUJyUnmuU l1quV5yYW1yal66XnJ+7iRGcLp5J72A8vMv9EKMAB6MSD+8Jhk3hQqyJZcWVuYcYJTiYlUR4 XdYBhXhTEiurUovy44tKc1KLDzGaAt01kVlKNDkfmMrySuINjU3MjCyNzA0tjIzNlcR5H/9f FyYkkJ5YkpqdmlqQWgTTx8TBKdXAyGR03PIGw3IGly2z+2syrxjeEO36dz3H/uszv0LB6nX+ m4S1lwScPrOhPf38pD1igvcV6ji++DX/nDix+/51/zK2NZEhy1RbfZZd1Ft1dvLqNT45FYKT tj0SXsTCmHjhwfSpXz3rPqgHxihnZl56wZ2Y6imx3XvJJcnS69lujKtKLIWrDF9rKrEUZyQa ajEXFScCAGLjawctAwAA DLP-Filter: Pass X-MTR: 20000000000000000@CPGS X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch adds the support for Exynos 64bit SoC. The delay_timer is only used for 32bit SoC. Cc: Daniel Lezcano Cc: Thomas Gleixner Cc: Kukjin Kim Cc: Krzysztof Kozlowski Signed-off-by: Chanwoo Choi --- drivers/clocksource/Kconfig | 2 +- drivers/clocksource/exynos_mct.c | 4 ++++ 2 files changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/clocksource/Kconfig b/drivers/clocksource/Kconfig index 567788664723..ec443c318c77 100644 --- a/drivers/clocksource/Kconfig +++ b/drivers/clocksource/Kconfig @@ -351,7 +351,7 @@ config CLKSRC_METAG_GENERIC config CLKSRC_EXYNOS_MCT bool "Exynos multi core timer driver" if COMPILE_TEST - depends on ARM + depends on ARM || ARM64 help Support for Multi Core Timer controller on Exynos SoCs. diff --git a/drivers/clocksource/exynos_mct.c b/drivers/clocksource/exynos_mct.c index 41840d02c331..8f3488b80896 100644 --- a/drivers/clocksource/exynos_mct.c +++ b/drivers/clocksource/exynos_mct.c @@ -223,6 +223,7 @@ static u64 notrace exynos4_read_sched_clock(void) return exynos4_read_count_32(); } +#if defined(CONFIG_ARM) static struct delay_timer exynos4_delay_timer; static cycles_t exynos4_read_current_timer(void) @@ -231,14 +232,17 @@ static cycles_t exynos4_read_current_timer(void) "cycles_t needs to move to 32-bit for ARM64 usage"); return exynos4_read_count_32(); } +#endif static int __init exynos4_clocksource_init(void) { exynos4_mct_frc_start(); +#if defined(CONFIG_ARM) exynos4_delay_timer.read_current_timer = &exynos4_read_current_timer; exynos4_delay_timer.freq = clk_rate; register_current_timer_delay(&exynos4_delay_timer); +#endif if (clocksource_register_hz(&mct_frc, clk_rate)) panic("%s: can't register clocksource\n", mct_frc.name); -- 1.9.1