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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 390EDC88E72 for ; Thu, 17 Sep 2026 14:56:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=m9c5jWDb9lpLOrxclM42NYklfEOIYuzd0qNvSdRFn9Q=; b=U5m1drtsnWxPM/lA3/WAPPg9Hh sJDmXPSiE6wSwYPV+Rcch6rCogWQkLZOX5PDM6XMnwAe6AwQ9cfdvaf8sEY1aLhbWYLglwGk24WZJ c8rXSagIP7oi3qKJjeBh/PHZUurqfLrmr1oOzS4xtkP1u+hZTWavaQ5ylWIwTsj/KvqKV61R1RoU2 ehpA51D2dyu9OdStAT5aEjTYBxzIFHFzXtKUDZUITMyepSmo8Hvi2Pp0f+IZZqqD9aDblLK55w04r aj5dFdz22nuT6Q0Wr1Y47OVEstYStXhL5M7QxIv1Vk3rmXAohS3VHTU3qZphD8ne9GkxgFRxOjGYH ixyLLmFA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1x7DXX-0000000BbAY-3ydF; Thu, 17 Sep 2026 14:56:43 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1x7DXL-0000000Bb4Z-3FWD for linux-arm-kernel@lists.infradead.org; Thu, 17 Sep 2026 14:56:33 +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 20CDC1596; Thu, 17 Sep 2026 07:56:25 -0700 (PDT) Received: from e134344.cambridge.arm.com (unknown [10.2.212.8]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 4A2A73F86F; Thu, 17 Sep 2026 07:56:27 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=arm.com; s=foss; t=1789656988; bh=THmIJ0mblTEQm05OX560oWA4k2851WiXGCm+VIxUKlk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=PSr5zSjzi/w1B/nV+rS3TWGaNq0+wreF4ePi5JzUbMnKFesvnOnOEnfc462c8CMa0 RfgpGj/V2P0iaAoij3XMDIMZv2IL9XFG5+jUY2MmvKnmXTzXQsYgdBp+y7y9G3XvzX lptBvwc2R/tUyKplAO80RB1LOdMEu0rDdxq/MaEg= From: Ben Horgan To: ben.horgan@arm.com Cc: james.morse@arm.com, reinette.chatre@intel.com, fenghuay@nvidia.com, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, dave.martin@arm.com, andre.przywara@arm.com, Gavin Shan Subject: [PATCH v2 01/12] arm_mpam: Move MPAMF_ECR write helpers to allow reuse Date: Thu, 17 Sep 2026 15:56:06 +0100 Message-ID: <20260917145617.2202986-2-ben.horgan@arm.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260917145617.2202986-1-ben.horgan@arm.com> References: <20260917145617.2202986-1-ben.horgan@arm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260917_075631_858515_C8A0DF26 X-CRM114-Status: GOOD ( 11.18 ) 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 In preparation for calling mpam_enable_msc_ecr() from the CPU hotplug handlers move it higher in the file. Move mpam_disable_msc_ecr() too to keep them together. Signed-off-by: Ben Horgan Tested-by: Gavin Shan --- drivers/resctrl/mpam_devices.c | 38 +++++++++++++++++----------------- 1 file changed, 19 insertions(+), 19 deletions(-) diff --git a/drivers/resctrl/mpam_devices.c b/drivers/resctrl/mpam_devices.c index dd422c56fbb1..580d7ed38569 100644 --- a/drivers/resctrl/mpam_devices.c +++ b/drivers/resctrl/mpam_devices.c @@ -1817,6 +1817,25 @@ static void mpam_reprogram_msc(struct mpam_msc *msc) mutex_unlock(&msc->cfg_lock); } +static int mpam_enable_msc_ecr(void *_msc) +{ + struct mpam_msc *msc = _msc; + + __mpam_write_reg(msc, MPAMF_ECR, MPAMF_ECR_INTEN); + + return 0; +} + +/* This can run in mpam_disable(), and the interrupt handler on the same CPU */ +static int mpam_disable_msc_ecr(void *_msc) +{ + struct mpam_msc *msc = _msc; + + __mpam_write_reg(msc, MPAMF_ECR, 0); + + return 0; +} + static void _enable_percpu_irq(void *_irq) { int *irq = _irq; @@ -2443,25 +2462,6 @@ static char *mpam_errcode_names[16] = { [12 ... 15] = "Reserved" }; -static int mpam_enable_msc_ecr(void *_msc) -{ - struct mpam_msc *msc = _msc; - - __mpam_write_reg(msc, MPAMF_ECR, MPAMF_ECR_INTEN); - - return 0; -} - -/* This can run in mpam_disable(), and the interrupt handler on the same CPU */ -static int mpam_disable_msc_ecr(void *_msc) -{ - struct mpam_msc *msc = _msc; - - __mpam_write_reg(msc, MPAMF_ECR, 0); - - return 0; -} - static irqreturn_t __mpam_irq_handler(int irq, struct mpam_msc *msc) { u64 reg; -- 2.43.0