From patchwork Tue Apr 21 03:22:59 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jianyong Wu X-Patchwork-Id: 11500371 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id AEC1713B2 for ; Tue, 21 Apr 2020 03:24:53 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 69036208E4 for ; Tue, 21 Apr 2020 03:24:53 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="PDv2Mr3C" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 69036208E4 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:References: In-Reply-To:Message-Id:Date:Subject:To:From:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=0nU8UmhS9YLevYYnCG4l28ihIxCZIt1AcoUXK/oMBQE=; b=PDv2Mr3Cne+5iROGunKA1dqjFg 4XSUg3XtpDKOic2BFBkJWO9I5CkZMPdMIgMXWHIIL6ipddTnoy2fDy32rml6cz/dpdswAabONapk4 bTk9RJbioFMFh5rlzHPu48m+KZ3ysSfRFQ12v3dHu3vnuskONLEGU9l+M4hSXl7aEM53fMkMsSNyf Xg0gH3ppoN2I9sHoWxG1ruYFC56Cu6Hw+akzuGlA9OjZ9MuEEx4g+215AjsMGUskQPbDbIwh6TAcz QFQzRn8hz/Y/972rUIOZ3eb7FpQjrnmTzWtLi9vwTrOHLztqfccn8m7XzZvIHCoSIjKLYcWq9RdOD JYMiEJQA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jQjWg-0004wK-9o; Tue, 21 Apr 2020 03:24:46 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jQjVo-0004Bl-Mv for linux-arm-kernel@lists.infradead.org; Tue, 21 Apr 2020 03:23:54 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id E0C9031B; Mon, 20 Apr 2020 20:23:51 -0700 (PDT) Received: from entos-d05.shanghai.arm.com (entos-d05.shanghai.arm.com [10.169.40.35]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id D7F043F6CF; Mon, 20 Apr 2020 20:23:44 -0700 (PDT) From: Jianyong Wu To: netdev@vger.kernel.org, yangbo.lu@nxp.com, john.stultz@linaro.org, tglx@linutronix.de, pbonzini@redhat.com, sean.j.christopherson@intel.com, maz@kernel.org, richardcochran@gmail.com, Mark.Rutland@arm.com, will@kernel.org, suzuki.poulose@arm.com, steven.price@arm.com Subject: [RFC PATCH v11 4/9] clocksource: Add clocksource id for arm arch counter Date: Tue, 21 Apr 2020 11:22:59 +0800 Message-Id: <20200421032304.26300-5-jianyong.wu@arm.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200421032304.26300-1-jianyong.wu@arm.com> References: <20200421032304.26300-1-jianyong.wu@arm.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200420_202352_814947_38CC797F X-CRM114-Status: GOOD ( 10.13 ) X-Spam-Score: -2.3 (--) X-Spam-Report: SpamAssassin version 3.4.4 on bombadil.infradead.org summary: Content analysis details: (-2.3 points) pts rule name description ---- ---------------------- -------------------------------------------------- -2.3 RCVD_IN_DNSWL_MED RBL: Sender listed at https://www.dnswl.org/, medium trust [217.140.110.172 listed in list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: justin.he@arm.com, kvm@vger.kernel.org, Steve.Capper@arm.com, jianyong.wu@arm.com, linux-kernel@vger.kernel.org, Kaly.Xin@arm.com, nd@arm.com, kvmarm@lists.cs.columbia.edu, linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Add clocksource id for arm arch counter to let it be identified easily and elegantly in ptp_kvm implementation for arm. Signed-off-by: Jianyong Wu --- drivers/clocksource/arm_arch_timer.c | 2 ++ include/linux/clocksource_ids.h | 1 + 2 files changed, 3 insertions(+) diff --git a/drivers/clocksource/arm_arch_timer.c b/drivers/clocksource/arm_arch_timer.c index 2204a444e801..0f44f296ed17 100644 --- a/drivers/clocksource/arm_arch_timer.c +++ b/drivers/clocksource/arm_arch_timer.c @@ -16,6 +16,7 @@ #include #include #include +#include #include #include #include @@ -191,6 +192,7 @@ static u64 arch_counter_read_cc(const struct cyclecounter *cc) static struct clocksource clocksource_counter = { .name = "arch_sys_counter", + .id = CSID_ARM_ARCH_COUNTER, .rating = 400, .read = arch_counter_read, .mask = CLOCKSOURCE_MASK(56), diff --git a/include/linux/clocksource_ids.h b/include/linux/clocksource_ids.h index 4d8e19e05328..16775d7d8f8d 100644 --- a/include/linux/clocksource_ids.h +++ b/include/linux/clocksource_ids.h @@ -5,6 +5,7 @@ /* Enum to give clocksources a unique identifier */ enum clocksource_ids { CSID_GENERIC = 0, + CSID_ARM_ARCH_COUNTER, CSID_MAX, };