From patchwork Thu Apr 26 16:18:24 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ludovic BARRE X-Patchwork-Id: 10366345 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 C50CE6032C for ; Thu, 26 Apr 2018 16:29:08 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id B582D28BAB for ; Thu, 26 Apr 2018 16:29:08 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id AA49928CD3; Thu, 26 Apr 2018 16:29:08 +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=-2.9 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI autolearn=unavailable version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 784C228BAB for ; Thu, 26 Apr 2018 16:29:07 +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:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version: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=aZeRrUjWj4kdiyk/u2uKji/2OzYosXX8tJY545/c7iY=; b=ohbqRVyrraKqBi yVGID9dB7fsPWG8DEryDJqp5poTw5fE8ua1HkrnLwQEQFa6N2HzUt4v4CRVupEzPz81vhosqTEZj/ UKy39pfQYV7Ahi82aQqgIujv7troSBRwlVikyrjmfc9qmvH0LIVX/waysBNm0E9Ur9qfAb2iiuA/h n5GOj7oP+bB+9Q0iFw/GGeZRwQTZjER0ejxjQaOuR15s4UXMNf8Fx0bXqd3oNHyp9OCPI4q3zCWeG qvtX6VgkiSJHbdZeWIBct0zizw4gm3iqjgKeQfK/BquuSKqNSh9Tfb/1/Aa+ORgOFSfdXrwYeBrq7 TdcFBJq2D4Vz/NzyUi7A==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1fBjlR-0007I7-BN; Thu, 26 Apr 2018 16:28:57 +0000 Received: from mx08-00178001.pphosted.com ([91.207.212.93] helo=mx07-00178001.pphosted.com) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1fBjbu-0000nP-Dz for linux-arm-kernel@lists.infradead.org; Thu, 26 Apr 2018 16:19:17 +0000 Received: from pps.filterd (m0046660.ppops.net [127.0.0.1]) by mx08-.pphosted.com (8.16.0.21/8.16.0.21) with SMTP id w3QFsGib020005; Thu, 26 Apr 2018 18:18:40 +0200 Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx08-00178001.pphosted.com with ESMTP id 2hfte9c7ba-1 (version=TLSv1 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NOT); Thu, 26 Apr 2018 18:18:39 +0200 Received: from zeta.dmz-eu.st.com (zeta.dmz-eu.st.com [164.129.230.9]) by beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id 539ED34; Thu, 26 Apr 2018 16:18:39 +0000 (GMT) Received: from Webmail-eu.st.com (Safex1hubcas22.st.com [10.75.90.92]) by zeta.dmz-eu.st.com (STMicroelectronics) with ESMTP id 2B4AC5148; Thu, 26 Apr 2018 16:18:39 +0000 (GMT) Received: from SAFEX1HUBCAS21.st.com (10.75.90.44) by Safex1hubcas22.st.com (10.75.90.92) with Microsoft SMTP Server (TLS) id 14.3.361.1; Thu, 26 Apr 2018 18:18:39 +0200 Received: from lmecxl0923.lme.st.com (10.48.0.237) by Webmail-ga.st.com (10.75.90.48) with Microsoft SMTP Server (TLS) id 14.3.361.1; Thu, 26 Apr 2018 18:18:38 +0200 From: Ludovic Barre To: Thomas Gleixner , Jason Cooper , Marc Zyngier , Rob Herring Subject: [PATCH 01/11] irqchip: stm32: Optimizes and cleans up stm32-exti irq_domain Date: Thu, 26 Apr 2018 18:18:24 +0200 Message-ID: <1524759514-12392-2-git-send-email-ludovic.Barre@st.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1524759514-12392-1-git-send-email-ludovic.Barre@st.com> References: <1524759514-12392-1-git-send-email-ludovic.Barre@st.com> MIME-Version: 1.0 X-Originating-IP: [10.48.0.237] X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2018-04-26_06:, , signatures=0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20180426_091906_842525_8657842D X-CRM114-Status: GOOD ( 11.65 ) 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: devicetree@vger.kernel.org, radek , Alexandre Torgue , Loic PALLARDY , linux-kernel@vger.kernel.org, Ludovic Barre , Maxime Coquelin , Gerald BAEZA , linux-arm-kernel@lists.infradead.org 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 From: radek - In stm32_exti_alloc function, discards irq_domain_set_info with handle_simple_irq. This overwrite the setting defined while init of generic chips. Exti controller manages edge irq type. - Removes acking in chained irq handler as this is done by irq_chip itself inside handle_edge_irq - removes unneeded irq_domain_ops.xlate callback Signed-off-by: Radoslaw Pietrzyk Acked-by: Ludovic Barre Tested-by: Ludovic Barre Signed-off-by: Ludovic Barre --- drivers/irqchip/irq-stm32-exti.c | 13 ------------- 1 file changed, 13 deletions(-) diff --git a/drivers/irqchip/irq-stm32-exti.c b/drivers/irqchip/irq-stm32-exti.c index 36f0fbe..8013a87 100644 --- a/drivers/irqchip/irq-stm32-exti.c +++ b/drivers/irqchip/irq-stm32-exti.c @@ -79,13 +79,6 @@ static unsigned long stm32_exti_pending(struct irq_chip_generic *gc) return irq_reg_readl(gc, stm32_bank->pr_ofst); } -static void stm32_exti_irq_ack(struct irq_chip_generic *gc, u32 mask) -{ - const struct stm32_exti_bank *stm32_bank = gc->private; - - irq_reg_writel(gc, mask, stm32_bank->pr_ofst); -} - static void stm32_irq_handler(struct irq_desc *desc) { struct irq_domain *domain = irq_desc_get_handler_data(desc); @@ -106,7 +99,6 @@ static void stm32_irq_handler(struct irq_desc *desc) for_each_set_bit(n, &pending, IRQS_PER_BANK) { virq = irq_find_mapping(domain, irq_base + n); generic_handle_irq(virq); - stm32_exti_irq_ack(gc, BIT(n)); } } } @@ -176,16 +168,12 @@ static int stm32_irq_set_wake(struct irq_data *data, unsigned int on) static int stm32_exti_alloc(struct irq_domain *d, unsigned int virq, unsigned int nr_irqs, void *data) { - struct irq_chip_generic *gc; struct irq_fwspec *fwspec = data; irq_hw_number_t hwirq; hwirq = fwspec->param[0]; - gc = irq_get_domain_generic_chip(d, hwirq); irq_map_generic_chip(d, virq, hwirq); - irq_domain_set_info(d, virq, hwirq, &gc->chip_types->chip, gc, - handle_simple_irq, NULL, NULL); return 0; } @@ -200,7 +188,6 @@ static void stm32_exti_free(struct irq_domain *d, unsigned int virq, struct irq_domain_ops irq_exti_domain_ops = { .map = irq_map_generic_chip, - .xlate = irq_domain_xlate_onetwocell, .alloc = stm32_exti_alloc, .free = stm32_exti_free, };