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=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,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 5E286C433EF for ; Mon, 9 Sep 2019 08:40:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2DBD2218AC for ; Mon, 9 Sep 2019 08:40:14 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=amazon.com header.i=@amazon.com header.b="jN1PE35h" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389414AbfIIIkL (ORCPT ); Mon, 9 Sep 2019 04:40:11 -0400 Received: from smtp-fw-33001.amazon.com ([207.171.190.10]:51001 "EHLO smtp-fw-33001.amazon.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726223AbfIIIkK (ORCPT ); Mon, 9 Sep 2019 04:40:10 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amazon.com; i=@amazon.com; q=dns/txt; s=amazon201209; t=1568018410; x=1599554410; h=from:to:cc:subject:date:message-id:mime-version; bh=8HdAfP560DuFfXUXyq4ESO9XpMATN8BUOpZizShWOqI=; b=jN1PE35h6X9aXFVMBsThpubzW6bEMBlbervCeWWKyyiFd6hcycThV7Fl QBzQj8vLDr7I0/8es+H6K7CbEGcKWcGkrhQimYHepXLOjUlFVBlzE8UvI AgobnpcmXS3punp9ok/4HA96gO1DiRClW0lKjHZqdRCz5vjV8HWyZuL2D 0=; X-IronPort-AV: E=Sophos;i="5.64,484,1559520000"; d="scan'208";a="829155200" Received: from sea3-co-svc-lb6-vlan2.sea.amazon.com (HELO email-inbound-relay-1d-9ec21598.us-east-1.amazon.com) ([10.47.22.34]) by smtp-border-fw-out-33001.sea14.amazon.com with ESMTP; 09 Sep 2019 08:39:44 +0000 Received: from EX13MTAUEA001.ant.amazon.com (iad55-ws-svc-p15-lb9-vlan3.iad.amazon.com [10.40.159.166]) by email-inbound-relay-1d-9ec21598.us-east-1.amazon.com (Postfix) with ESMTPS id 8B3BBA1C35; Mon, 9 Sep 2019 08:39:43 +0000 (UTC) Received: from EX13D01EUB001.ant.amazon.com (10.43.166.194) by EX13MTAUEA001.ant.amazon.com (10.43.61.82) with Microsoft SMTP Server (TLS) id 15.0.1367.3; Mon, 9 Sep 2019 08:39:42 +0000 Received: from udc4a3e82dbc15a031435.hfa15.amazon.com (10.43.160.149) by EX13D01EUB001.ant.amazon.com (10.43.166.194) with Microsoft SMTP Server (TLS) id 15.0.1367.3; Mon, 9 Sep 2019 08:39:36 +0000 From: Talel Shenhar To: , , , , CC: , , , , , , Subject: [PATCH 1/1] irqchip: al-fic: add support for irq retrigger Date: Mon, 9 Sep 2019 11:39:18 +0300 Message-ID: <1568018358-18985-1-git-send-email-talel@amazon.com> X-Mailer: git-send-email 2.7.4 MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.43.160.149] X-ClientProxiedBy: EX13D17UWC002.ant.amazon.com (10.43.162.61) To EX13D01EUB001.ant.amazon.com (10.43.166.194) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Introduce interrupts retrigger support for Amazon's Annapurna Labs Fabric Interrupt Controller. Signed-off-by: Talel Shenhar --- drivers/irqchip/irq-al-fic.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/drivers/irqchip/irq-al-fic.c b/drivers/irqchip/irq-al-fic.c index 1a57cee..0b0a737 100644 --- a/drivers/irqchip/irq-al-fic.c +++ b/drivers/irqchip/irq-al-fic.c @@ -15,6 +15,7 @@ /* FIC Registers */ #define AL_FIC_CAUSE 0x00 +#define AL_FIC_SET_CAUSE 0x08 #define AL_FIC_MASK 0x10 #define AL_FIC_CONTROL 0x28 @@ -126,6 +127,16 @@ static void al_fic_irq_handler(struct irq_desc *desc) chained_irq_exit(irqchip, desc); } +static int al_fic_irq_retrigger(struct irq_data *data) +{ + struct irq_chip_generic *gc = irq_data_get_irq_chip_data(data); + struct al_fic *fic = gc->private; + + writel_relaxed(BIT(data->hwirq), fic->base + AL_FIC_SET_CAUSE); + + return 1; +} + static int al_fic_register(struct device_node *node, struct al_fic *fic) { @@ -159,6 +170,7 @@ static int al_fic_register(struct device_node *node, gc->chip_types->chip.irq_unmask = irq_gc_mask_clr_bit; gc->chip_types->chip.irq_ack = irq_gc_ack_clr_bit; gc->chip_types->chip.irq_set_type = al_fic_irq_set_type; + gc->chip_types->chip.irq_retrigger = al_fic_irq_retrigger; gc->chip_types->chip.flags = IRQCHIP_SKIP_SET_WAKE; gc->private = fic; -- 2.7.4