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,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 3DEBAC32751 for ; Thu, 1 Aug 2019 00:58:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 141D72171F for ; Thu, 1 Aug 2019 00:58:48 +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="X70jGw0e" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728879AbfHAA6q (ORCPT ); Wed, 31 Jul 2019 20:58:46 -0400 Received: from esa6.hgst.iphmx.com ([216.71.154.45]:61763 "EHLO esa6.hgst.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726231AbfHAA6j (ORCPT ); Wed, 31 Jul 2019 20:58:39 -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=1564621120; x=1596157120; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=w14oJ81u6w2W34wdULaaio4UuiCV/eOoDOsEOvwCQng=; b=X70jGw0e7BUwXTgQeLclIu2bUYDHzsGBtdEQsZhqxNOZVPGD7L5t8IV4 duXVsPd6Rvey0JXOpuUpvHIqagf7qN7b+jr+JmyoAqKrWQcARxllX5Sx0 og6Knkmh52We9TeZxnugMI0dtUBDPslNBJ+N+7jsIn8neyFfjcvExwm+N MLdBqkuMr/LrqMkAoFkcv1zftHOWr5rOAOnb88C2CQUYzTJ9ZZeXP+0+D Hk/U135tyTzYWBVpfI4U55WP7EmnYNdIb21wpxQlI/oL1UuVq6gDJ80Ig K3PE6TKVi7P/R9iUIWc1+NX4KgDTtb6CTxYDtDQO1m+1o43xiU8l4wvmw Q==; IronPort-SDR: PAOHi5BSQjioLFhZoJ4A3dUNFhaIGdbQlxMAtL653cGMDltmeVV3ktMOUREaAVsCACjELllvlG gZ560DnyBbXNSKMN/68rfHNcvy63S4iNtwnGWLkGO9kmgU5xoW+rKNUgvAaEFFWqqyXWk0b9f7 /KRs3vBceyXxFGws2GHMS1NQpJKfPuvRXPXZvG0lFSFmXr35MNpkh94ifPo2pSitVLcYj2xgpb Za0vQ+Zij8KjdDHS3xGNUs4ZjUnJCQWjA7002Y9E/UEfcnYSste+RXdxtq4PqmDHHpIvjEsd3r rBc= X-IronPort-AV: E=Sophos;i="5.64,332,1559491200"; d="scan'208";a="116247208" Received: from h199-255-45-15.hgst.com (HELO uls-op-cesaep02.wdc.com) ([199.255.45.15]) by ob1.hgst.iphmx.com with ESMTP; 01 Aug 2019 08:58:39 +0800 IronPort-SDR: ljy5Ka0KsH7PW3zJnI1BN6OlawD+qWF5rTkIumRoIE/pxaf7L6Cs4bhygDtcktot4CJxn3MwAs QSKIZ2Kn7bgtbec7dRWta/U9ZyWd4VM0v8ARMal4qK2nifVgAi7yOGdtxIPvyyIFiD5PXJT5od /VxNIzk6imLQkjtfJAwSLLonbG+96bFG5iJbjhSVFH3zNXR/8m//fQsk8msVVDhEdtnDj+Mov1 WkGQpqLGmwq4k/CH9QDN8PzuSNL+Q08+C0+l3xJeF6BpsrdeOq9B8UGlzWSqQSFn72cTCow8je edwMhQgCPH6tlEyq81K02iHh Received: from uls-op-cesaip01.wdc.com ([10.248.3.36]) by uls-op-cesaep02.wdc.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 31 Jul 2019 17:56:38 -0700 IronPort-SDR: D1VyBwHI3DUdkTTZUMWdQnpNnOzsGERZEN5QbIDf+Y89fdGaTxP9sKHHLk1m6KTrqI3jYvCOC3 bCkxZlsYMtuY6KRf+3Yqfny58of2tXGpv+1nBcYrz2dg+559EPzcAiGE029FLbqjc1NIejCJWs TeyPbP/s0dajWY0cJv8Dobe6WiCaS1Pve9JQmZViFJAvaY30yPpSUASBWJFBA8cL7WEst0AuXj JSmO9A1YKvlFvfZVhpX1SfSM5R0qDm1UmWFjeLdQmakFKkFePnHvub5SYqi80wMJsNX0EgXmM2 +VE= Received: from jedi-01.sdcorp.global.sandisk.com (HELO jedi-01.int.fusionio.com) ([10.11.143.218]) by uls-op-cesaip01.wdc.com with ESMTP; 31 Jul 2019 17:58:37 -0700 From: Atish Patra To: linux-kernel@vger.kernel.org Cc: Atish Patra , Albert Ou , Allison Randal , Anup Patel , Daniel Lezcano , devicetree@vger.kernel.org, Enrico Weigelt , Gary Guo , Greg Kroah-Hartman , Johan Hovold , linux-riscv@lists.infradead.org, Mark Rutland , Palmer Dabbelt , Paul Walmsley , Rob Herring , Thomas Gleixner , Yangtao Li Subject: [PATCH v3 1/5] RISC-V: Remove per cpu clocksource Date: Wed, 31 Jul 2019 17:58:39 -0700 Message-Id: <20190801005843.10343-2-atish.patra@wdc.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190801005843.10343-1-atish.patra@wdc.com> References: <20190801005843.10343-1-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