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 C6C42CA5FDD for ; Fri, 2 Oct 2026 17:40:10 +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=bIr2K4OlpGfdHN+45sQ3hMqApyWHZLHTipM5/eFJ0SY=; b=hC/uFDfdiRSDb27P328qgv8kiZ MNkr6p7ht59RNccOGzg4vIzQiP1Gu6I1UEVhtl3L6k3RK7Jh4sB1ei3KIUFp6ogPczfDQckGpVjmW 2tPgMoyLNuT+doK0C99Fn6HNbmkLVeMO1TzcicpxIS2PkG9L2VUvzzKVtTq4slJTzS4xuqy+N5XQZ 2dM/Q6BhfhMYX1sRVIWJ/LXnR8btOmnAkCp4RLpJJcf3765i5gyL82RySFcGS0TCBUWPHdiecdjZ0 zJeOyLrRz/UC4jUfJ6lV2XzTHmg9+LHpvlSkr026ZDvXTjV+ZeDSKEk+AmWKSpM907ECXQ1JhpVLa JnkkyS2Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1xChEq-0000000CBDf-27pC; Fri, 02 Oct 2026 17:40:04 +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 1xChEo-0000000CBCV-193c for linux-arm-kernel@lists.infradead.org; Fri, 02 Oct 2026 17:40:03 +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 5F00F1476; Fri, 2 Oct 2026 10:39:58 -0700 (PDT) Received: from eglon.cambridge.arm.com (eglon.cambridge.arm.com [10.2.212.14]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id AF6D93F85F; Fri, 2 Oct 2026 10:40:00 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=arm.com; s=foss; t=1790962801; bh=xDp+EMpHKb9Oc/0Rzb52wwtXV36oTNF/CC3uPYa9E+k=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=OAvoCMIF+y8a8dhdIAlUhwvB8oFpS5evrT80RSlLie11NskZbtwyB2IL3MILFzPA+ Qi6jhgIRchrCte0JWCU7sB3vuxwLNc4ICkjC0eMPf9YWk1Lu+jB9vH8oL+gxZX2lDc vXysDt6lvmkhPcv0VOYJQcfu7G5jGzVBqB8DsvcU= From: James Morse To: linux-arm-kernel@lists.infradead.org Cc: Catalin Marinas , Will Deacon , Ben Horgan , Andre Przywara , Fuad Tabba , Gavin Shan , James Morse Subject: [PATCH 01/27] arm_mpam: Move MPAMF_ECR write helpers to allow reuse Date: Fri, 2 Oct 2026 18:39:14 +0100 Message-ID: <20261002173941.292319-2-james.morse@arm.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20261002173941.292319-1-james.morse@arm.com> References: <20261002173941.292319-1-james.morse@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-20261002_104002_356058_D9A80FF5 X-CRM114-Status: GOOD ( 12.40 ) 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 From: Ben Horgan 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 Reviewed-by: Gavin Shan Reviewed-by: James Morse Signed-off-by: James Morse --- 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; -- 2.53.0