From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 16810C32750 for ; Wed, 31 Jul 2019 01:24:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E1A55206A2 for ; Wed, 31 Jul 2019 01:24:39 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=wdc.com header.i=@wdc.com header.b="ShcohsB2" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727671AbfGaBYi (ORCPT ); Tue, 30 Jul 2019 21:24:38 -0400 Received: from esa5.hgst.iphmx.com ([216.71.153.144]:64333 "EHLO esa5.hgst.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727567AbfGaBYh (ORCPT ); Tue, 30 Jul 2019 21:24:37 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=wdc.com; i=@wdc.com; q=dns/txt; s=dkim.wdc.com; t=1564536277; x=1596072277; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=w14oJ81u6w2W34wdULaaio4UuiCV/eOoDOsEOvwCQng=; b=ShcohsB2O/v0hXn9yNGDSiYHxpoCxlK0iCraMSDfWNwqCj+sJC67Bg1n zHv7Qhrr/yL+/yeNDcRzNQ7VM4KrnXOUt9YeO/9il8PqeFVSO+P/I2IQo zSJLqg1lC4CIeJX/LOEDI4T8+mCZTHVQr3DcN2NadmRt9O6zJEfPqQkic g/PQG9vj4B2zT6lbAttGqBfS+r68m1kFKtVT7tUfqu8bKqgFuSoGK+6wB nqMJ/ICSisCD5y8zbcXeG0+rggRZ2Uh3tHy/9k0zkt3V7zJEf6DdQ/JGU JjWY3k4TqHnP8YSbYXWtW2wGtwSDAVm5+WdqJBwkLcGtZHfEeJpNcwM96 A==; IronPort-SDR: iiNk5ZWkF2X36Cc0WXg39kw4jqskeSKNALsqIt8MTtmHB000IDfYdraj51UrQlMT34yKShZu2f h2jyrsaI+A4HDiUOKKsRefkAe3y0omRz2/SdIMhJctOafsKFgnneusfYipb4eCb2XSQ+Oh8R7c 1xjTdudYTJQzj5X3tS3G5FoKmjulB5qtqgw4cV6R97ro7pbLCIaHKbbdEl/lVrPo+5tVgYyqLE acA0SdYvF8b5+WfFCsN7V219izx4sQII704oASXShO2rKkgZV8yFEd0mzeooUCWDUlpjW2/VMk 0U8= X-IronPort-AV: E=Sophos;i="5.64,328,1559491200"; d="scan'208";a="115555800" Received: from uls-op-cesaip02.wdc.com (HELO uls-op-cesaep02.wdc.com) ([199.255.45.15]) by ob1.hgst.iphmx.com with ESMTP; 31 Jul 2019 09:24:37 +0800 IronPort-SDR: G2X0N0sA35LKBVbTJZtDHtFS3ERRsCShVu7qsSW+uS16Gn1JIV2jb9aFpvvMzXVMibDrz1QFvl dOR2U8nqXRtfKxDxhw3E65SAMgmvbdcx+uArbAEVdrDy7zqaKlulS3CwynBi0xZJJDMLryDndU B5BKu+yJzoFRgd233kBXoswtahp3GG40d4AmdQTHbS7AZqRjFErIpQvymE9NBR/WOb1AViAP+j bCvgahsJkAJvfsI91w0ZCUsvpVBrdRf/WQqR3YBd8Ih22/dDTrI9/uFgkN5ea8GDHi9eAnmemw 9Ban0INj6rf64VYe/2hd+u5H Received: from uls-op-cesaip02.wdc.com ([10.248.3.37]) by uls-op-cesaep02.wdc.com with ESMTP; 30 Jul 2019 18:22:38 -0700 IronPort-SDR: 3sIcbQgxnvm/OmZX79OUSeBBjL/aRRiiJnuYpbIO4ukQp1vBudqAkfTquNuNNV1yxRpXr5VXYc BDPkC4kHvf9e6rAQFeGOlPL1/Juf8fqKjuEt69N/+Vc6qIsdKhLHD/jlPRvxT1byy7KeQNMHX+ XiWV1JpOikc6JZwyARbD6vaXdBZSu/LjSzYW5wtXtjdG73uT2ql5rpdbuTqFScrr+LPWIdZY48 AGJPh+uMNAqF0M2AzlsQO7XMNrLdhOQ8eFaOlI/+VxcraJ4IRcn5TB5M338/QYEzkYopcwugPf lPs= Received: from jedi-01.sdcorp.global.sandisk.com (HELO jedi-01.int.fusionio.com) ([10.11.143.218]) by uls-op-cesaip02.wdc.com with ESMTP; 30 Jul 2019 18:24:36 -0700 From: Atish Patra To: linux-kernel@vger.kernel.org Cc: Atish Patra , Albert Ou , Alexios Zavras , Allison Randal , Anup Patel , Daniel Lezcano , devicetree@vger.kernel.org, Enrico Weigelt , Greg Kroah-Hartman , Johan Hovold , linux-riscv@lists.infradead.org, Mark Rutland , Palmer Dabbelt , Paul Walmsley , Rob Herring , Thomas Gleixner Subject: [PATCH v2 1/5] RISC-V: Remove per cpu clocksource Date: Tue, 30 Jul 2019 18:24:14 -0700 Message-Id: <20190731012418.24565-2-atish.patra@wdc.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190731012418.24565-1-atish.patra@wdc.com> References: <20190731012418.24565-1-atish.patra@wdc.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org There is only one clocksource in RISC-V. The boot cpu initializes that clocksource. No need to keep a percpu data structure. Signed-off-by: Atish Patra --- drivers/clocksource/timer-riscv.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/clocksource/timer-riscv.c b/drivers/clocksource/timer-riscv.c index 5e6038fbf115..09e031176bc6 100644 --- a/drivers/clocksource/timer-riscv.c +++ b/drivers/clocksource/timer-riscv.c @@ -55,7 +55,7 @@ static u64 riscv_sched_clock(void) return get_cycles64(); } -static DEFINE_PER_CPU(struct clocksource, riscv_clocksource) = { +static struct clocksource riscv_clocksource = { .name = "riscv_clocksource", .rating = 300, .mask = CLOCKSOURCE_MASK(64), @@ -92,7 +92,6 @@ void riscv_timer_interrupt(void) static int __init riscv_timer_init_dt(struct device_node *n) { int cpuid, hartid, error; - struct clocksource *cs; hartid = riscv_of_processor_hartid(n); if (hartid < 0) { @@ -112,8 +111,7 @@ static int __init riscv_timer_init_dt(struct device_node *n) pr_info("%s: Registering clocksource cpuid [%d] hartid [%d]\n", __func__, cpuid, hartid); - cs = per_cpu_ptr(&riscv_clocksource, cpuid); - error = clocksource_register_hz(cs, riscv_timebase); + error = clocksource_register_hz(&riscv_clocksource, riscv_timebase); if (error) { pr_err("RISCV timer register failed [%d] for cpu = [%d]\n", error, cpuid); -- 2.21.0