From patchwork Tue Dec 5 17:11:50 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Julien Thierry X-Patchwork-Id: 10093467 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id B21CD6035E for ; Tue, 5 Dec 2017 17:12:52 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 999A9285B0 for ; Tue, 5 Dec 2017 17:12:52 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 8DEE02922E; Tue, 5 Dec 2017 17:12:52 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [65.50.211.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 17807285B0 for ; Tue, 5 Dec 2017 17:12:52 +0000 (UTC) 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=MkczWXW28NKjT63Us0QxSWt/x+vhPIRP5tNTLZXrJSs=; b=ljfaO8Frm65qZXMlGEs97VF+PT tFomavx9ZVGnfFcfyrTJOkiwp6MHahfk+fjBq8zBURHSx0ELXvvH0fNCZ8zZiekbekw+UBrTSuEf4 /XX+scYUFkByCIHXQVCUjOr2Dg5JDWm1e9nGjCI8W6qpEQfylTuLcpQdjZFt1aCds2NijBCEL2zm4 GYg9JZqRDjfZihpUcDu68IPbGuI+gzJL+/KEkZLF6lFDhJLZYQA/S+ASm10+Pg67B63MXllv88J79 Yq7zBP0quxSExqpYOC/6WNLX7TF2zx+LZRtm3hcHPAXkiC/5Z7WafCk6RH/ZTXij6AiUCTd95woZ/ mkq3DOjQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.87 #1 (Red Hat Linux)) id 1eMGm3-0003r0-DI; Tue, 05 Dec 2017 17:12:51 +0000 Received: from usa-sjc-mx-foss1.foss.arm.com ([217.140.101.70] helo=foss.arm.com) by bombadil.infradead.org with esmtp (Exim 4.87 #1 (Red Hat Linux)) id 1eMGlj-0003Sp-5I for linux-arm-kernel@lists.infradead.org; Tue, 05 Dec 2017 17:12:49 +0000 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 4AAD6164F; Tue, 5 Dec 2017 09:12:11 -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 C569D3F246; Tue, 5 Dec 2017 09:12:09 -0800 (PST) From: Julien Thierry To: linux-arm-kernel@lists.infradead.org Subject: [PATCH 4/6] irqchip/gic: Add functions to access irq priorities Date: Tue, 5 Dec 2017 17:11:50 +0000 Message-Id: <1512493912-37478-5-git-send-email-julien.thierry@arm.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1512493912-37478-1-git-send-email-julien.thierry@arm.com> References: <1512493912-37478-1-git-send-email-julien.thierry@arm.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20171205_091232_357049_791A5BA1 X-CRM114-Status: UNSURE ( 7.14 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: mark.rutland@arm.com, daniel.thompson@linaro.org, Jason Cooper , Julien Thierry , marc.zyngier@arm.com, james.morse@arm.com, Thomas Gleixner MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP 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(+) -- 1.9.1 diff --git a/drivers/irqchip/irq-gic-common.c b/drivers/irqchip/irq-gic-common.c index 30017df..1dfa60b 100644 --- a/drivers/irqchip/irq-gic-common.c +++ b/drivers/irqchip/irq-gic-common.c @@ -91,6 +91,16 @@ 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);