From patchwork Thu Apr 14 03:22:54 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Samuel Holland X-Patchwork-Id: 12812871 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id CF940C433FE for ; Thu, 14 Apr 2022 03:23:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=0KMZvePTKc+030hgIH96vQ8Hry4ypOqstn61ERwvqgM=; b=btypKCQp9l/r8N F0Ck59XbKH8Lqm6YAVt9V4ZUx/pHgNRw2uV1wrOFfMDuma+NRm6TpmtuTzWBqp87b/MpQX7ErQAew WfW3zcjt6aZF+I/ZQpOng8YmhKDWaU5qSb0YGv81CeYJIlCfLT8myWCdgFLu5UMe3yTgujSwX7l/O pGMhOvgFxzRV9t0GHMlTHUvsJs4kJC3q7YwW6kmYluYTtKwfmDcUQlQEdSOhwj0/hBF7eTScM0ecx J+8EUGY+aVK1MeeD3JnCBC9FaK6fdtqr3e+EuYOJUe+yx5hvCBUHIkTTMntLWoqqKoXZ7OppIoaWi HiPbmR8586wGYiMwwFHw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1neq5G-003gxf-Gc; Thu, 14 Apr 2022 03:23:50 +0000 Received: from out4-smtp.messagingengine.com ([66.111.4.28]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1neq4X-003gdO-7h; Thu, 14 Apr 2022 03:23:06 +0000 Received: from compute4.internal (compute4.nyi.internal [10.202.2.44]) by mailout.nyi.internal (Postfix) with ESMTP id 98FDC5C0599; Wed, 13 Apr 2022 23:23:04 -0400 (EDT) Received: from mailfrontend1 ([10.202.2.162]) by compute4.internal (MEProxy); Wed, 13 Apr 2022 23:23:04 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sholland.org; h= cc:cc:content-transfer-encoding:date:date:from:from:in-reply-to :in-reply-to:message-id:mime-version:references:reply-to:sender :subject:subject:to:to; s=fm2; t=1649906584; x=1649992984; bh=Zx ce5/kMy/OOKoyZk0y1H+zbEfnzEMwAKLBLRkDpYTo=; b=gWIUGtDisH43Z1V5Aj Fkfz8gjlSTkvgnu6n/vdOVhXRGKjQQk26pdNeyMCMlp97bkKvPgZmYTykiftsY4T VO2vOT1OB4mH1DzIL+LZaoNVKLZruuKEeESt/yly6FNERKBsHTyRlbMUBlM2FQpm BSLlwgS+LR8YTkhIqHycj+on19azWQElnKx9eSPiFqAWfIsfXnPBLJRv8WFa3lW3 E6HI6fCG3u36aiADxlwoFGlFUp6IxXuOydNn+EplrLhwW1mZu0NDQec7LxtA4/oF 8SyDc3vFs/ba0SghT1MBwIjCU7AW20ZKlJ+EtQ/pWOtDUvPPuWlOY6gvTVC0A4vy 4z3A== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:cc:content-transfer-encoding:date:date :from:from:in-reply-to:in-reply-to:message-id:mime-version :references:reply-to:sender:subject:subject:to:to:x-me-proxy :x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s=fm1; t= 1649906584; x=1649992984; bh=Zxce5/kMy/OOKoyZk0y1H+zbEfnzEMwAKLB LRkDpYTo=; b=fK5xWL6vqy8kwPYCMsYSnXm0WDAkqifrittZPyqJ3oFfYQ6MlG+ 7+8Vrh011hPj5rvYS61g4301ypL/2bWHRZUJajk2WEKgbRmZDLVD+ykSbzmv0ASV Rze6qXaw9j343bz1DF5nkipvBISJtnPYn/fGlMiAZIiI5VODtGf0Ck/Grpax8byK 98qpHwiOU+tzrK04m4gvkwgbGPjio0Lf7edx+MH6pSu8INSt+nOAKNHOV9iYP0qF brxKXihHKsu+im66LICdr0ywRteoXpoYIrtD7MhFKZdL227bh/1WWwtUexPBrx+C k4xmIvS/ICJnXWkIE9W1xTt1EO9P1EyHNNA== X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedvvddrudelvddgjedtucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucesvcftvggtihhpihgvnhhtshculddquddttddmne cujfgurhephffvufffkffojghfggfgsedtkeertdertddtnecuhfhrohhmpefurghmuhgv lhcujfholhhlrghnugcuoehsrghmuhgvlhesshhhohhllhgrnhgurdhorhhgqeenucggtf frrghtthgvrhhnpeduhfejfedvhffgfeehtefghfeiiefgfeehgfdvvdevfeegjeehjedv gfejheeuieenucevlhhushhtvghrufhiiigvpedtnecurfgrrhgrmhepmhgrihhlfhhroh hmpehsrghmuhgvlhesshhhohhllhgrnhgurdhorhhg X-ME-Proxy: Received: by mail.messagingengine.com (Postfix) with ESMTPA; Wed, 13 Apr 2022 23:23:03 -0400 (EDT) From: Samuel Holland To: Kishon Vijay Abraham I , Vinod Koul , Heiko Stuebner Cc: Peter Geis , Samuel Holland , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-phy@lists.infradead.org, linux-rockchip@lists.infradead.org Subject: [PATCH 3/6] phy: rockchip-inno-usb2: Do not lock in bvalid IRQ handler Date: Wed, 13 Apr 2022 22:22:54 -0500 Message-Id: <20220414032258.40984-4-samuel@sholland.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220414032258.40984-1-samuel@sholland.org> References: <20220414032258.40984-1-samuel@sholland.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220413_202305_389596_E70D261D X-CRM114-Status: UNSURE ( 7.42 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org Clearing the IRQ is atomic, so there is no need to hold the mutex. Signed-off-by: Samuel Holland --- drivers/phy/rockchip/phy-rockchip-inno-usb2.c | 4 ---- 1 file changed, 4 deletions(-) diff --git a/drivers/phy/rockchip/phy-rockchip-inno-usb2.c b/drivers/phy/rockchip/phy-rockchip-inno-usb2.c index 29407b36f5fa..3422db56be76 100644 --- a/drivers/phy/rockchip/phy-rockchip-inno-usb2.c +++ b/drivers/phy/rockchip/phy-rockchip-inno-usb2.c @@ -905,13 +905,9 @@ static irqreturn_t rockchip_usb2phy_bvalid_irq(int irq, void *data) if (!property_enabled(rphy->grf, &rport->port_cfg->bvalid_det_st)) return IRQ_NONE; - mutex_lock(&rport->mutex); - /* clear bvalid detect irq pending status */ property_enable(rphy->grf, &rport->port_cfg->bvalid_det_clr, true); - mutex_unlock(&rport->mutex); - rockchip_usb2phy_otg_sm_work(&rport->otg_sm_work.work); return IRQ_HANDLED;