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=-9.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,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 1527DC43441 for ; Mon, 12 Nov 2018 11:58:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id DABCA223DD for ; Mon, 12 Nov 2018 11:58:12 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org DABCA223DD 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-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730051AbeKLVvH (ORCPT ); Mon, 12 Nov 2018 16:51:07 -0500 Received: from foss.arm.com ([217.140.101.70]:34762 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729293AbeKLVvG (ORCPT ); Mon, 12 Nov 2018 16:51:06 -0500 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.72.51.249]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 47BD31650; Mon, 12 Nov 2018 03:58:09 -0800 (PST) Received: from e112298-lin.cambridge.arm.com (usa-sjc-imap-foss1.foss.arm.com [10.72.51.249]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 34A083F5A0; Mon, 12 Nov 2018 03:58:07 -0800 (PST) From: Julien Thierry To: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org, daniel.thompson@linaro.org, joel@joelfernandes.org, marc.zyngier@arm.com, christoffer.dall@arm.com, james.morse@arm.com, catalin.marinas@arm.com, will.deacon@arm.com, Julien Thierry , Thomas Gleixner , Jason Cooper Subject: [PATCH v6 19/24] irqchip/gic: Add functions to access irq priorities Date: Mon, 12 Nov 2018 11:57:10 +0000 Message-Id: <1542023835-21446-20-git-send-email-julien.thierry@arm.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1542023835-21446-1-git-send-email-julien.thierry@arm.com> References: <1542023835-21446-1-git-send-email-julien.thierry@arm.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add accessors to the GIC distributor/redistributors priority registers. Signed-off-by: Julien Thierry Cc: Thomas Gleixner Cc: Jason Cooper Cc: Marc Zyngier --- drivers/irqchip/irq-gic-common.c | 10 ++++++++++ drivers/irqchip/irq-gic-common.h | 2 ++ 2 files changed, 12 insertions(+) diff --git a/drivers/irqchip/irq-gic-common.c b/drivers/irqchip/irq-gic-common.c index 01e673c..910746f 100644 --- a/drivers/irqchip/irq-gic-common.c +++ b/drivers/irqchip/irq-gic-common.c @@ -98,6 +98,16 @@ int gic_configure_irq(unsigned int irq, unsigned int type, return ret; } +void gic_set_irq_prio(unsigned int irq, void __iomem *base, u8 prio) +{ + writeb_relaxed(prio, base + GIC_DIST_PRI + irq); +} + +u8 gic_get_irq_prio(unsigned int irq, void __iomem *base) +{ + return readb_relaxed(base + GIC_DIST_PRI + irq); +} + void gic_dist_config(void __iomem *base, int gic_irqs, void (*sync_access)(void)) { diff --git a/drivers/irqchip/irq-gic-common.h b/drivers/irqchip/irq-gic-common.h index 3919cd7..1586dbd 100644 --- a/drivers/irqchip/irq-gic-common.h +++ b/drivers/irqchip/irq-gic-common.h @@ -35,6 +35,8 @@ void gic_dist_config(void __iomem *base, int gic_irqs, void gic_cpu_config(void __iomem *base, void (*sync_access)(void)); void gic_enable_quirks(u32 iidr, const struct gic_quirk *quirks, void *data); +void gic_set_irq_prio(unsigned int irq, void __iomem *base, u8 prio); +u8 gic_get_irq_prio(unsigned int irq, void __iomem *base); void gic_set_kvm_info(const struct gic_kvm_info *info); -- 1.9.1