From patchwork Wed Oct 11 13:01:00 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Julien Thierry X-Patchwork-Id: 9999587 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 781E76037F for ; Wed, 11 Oct 2017 13:03:27 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 6815E28A18 for ; Wed, 11 Oct 2017 13:03:27 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 5CFBD28A1B; Wed, 11 Oct 2017 13:03:27 +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 B0CC528A18 for ; Wed, 11 Oct 2017 13:03:26 +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=wzZICBs+PKfdSGLa4oSu7O800HxXXHElZwt0UMaxKPc=; b=leLarqgdFEtY0ZHFkpWjZtEP4a Ha4eyvLNnEz+ONx1N+jnScQyC0/BvPx2gu4aQm5r2HAQhzoXblLt9wr9FuzXpqeMvLBGG1xyHi6y+ 1vz1tlQKNI/eFH37epTxFbPu9a+8KfxVtOzOc68VB1pMqXTNi8HihKR2DUS73zA5F0OsOUxTwjtlK RIXtZLQ6LZ/IfQOcCr0ulDQHSA8uUzpZk1CCvCm26wCok3hMscO176S2tHXli9R6vt9KxF+6aFIHy 0d4kk29UC/PsCa1I4y0QOBzVGyXbsH7MMZFN7PGcyzHFiPCqmOLQn4e4JkM3pWlAGyPUTximhThYE yw6ugbvQ==; 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 1e2GfP-00072j-9X; Wed, 11 Oct 2017 13:03:19 +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 1e2Ge0-0005hU-Bw for linux-arm-kernel@lists.infradead.org; Wed, 11 Oct 2017 13:02:02 +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 C8BC01610; Wed, 11 Oct 2017 06:01:24 -0700 (PDT) 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 736FD3F483; Wed, 11 Oct 2017 06:01:23 -0700 (PDT) From: Julien Thierry To: linux-arm-kernel@lists.infradead.org, daniel.thompson@linaro.org, marc.zyngier@arm.com, mark.rutland@arm.com Subject: [RFC 5/7] irqchip/gic: Add functions to access irq priorities Date: Wed, 11 Oct 2017 14:01:00 +0100 Message-Id: <1507726862-11944-6-git-send-email-julien.thierry@arm.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1507726862-11944-1-git-send-email-julien.thierry@arm.com> References: <1507726862-11944-1-git-send-email-julien.thierry@arm.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20171011_060153_208990_BD1EECAC X-CRM114-Status: UNSURE ( 7.31 ) 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: Thomas Gleixner , Jason Cooper , Julien Thierry 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 9ae7180..06ec1f2 100644 --- a/drivers/irqchip/irq-gic-common.c +++ b/drivers/irqchip/irq-gic-common.c @@ -90,6 +90,16 @@ 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 205e5fd..1c02518 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);