From patchwork Mon Jul 29 09:36:26 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Philipp Stanner X-Patchwork-Id: 13744670 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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (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 885E1C3DA4A for ; Mon, 29 Jul 2024 09:37:07 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id C6A3910E378; Mon, 29 Jul 2024 09:37:06 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (1024-bit key; unprotected) header.d=redhat.com header.i=@redhat.com header.b="HXrWF878"; dkim-atps=neutral Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by gabe.freedesktop.org (Postfix) with ESMTPS id 135F710E378 for ; Mon, 29 Jul 2024 09:37:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1722245824; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=42kYX+we7aWmN9i2s2pGfyq6/m9TDK9MaaqQ5jcnuoY=; b=HXrWF878eZzrnCEkXPN3fg6N3SNWg61nKJ+h7YOvOMKSNllny7lAsR7yE1/ilkybZjr4aH oE83jyn6BIltlrchYtFfCvK+v1p8+yRiGggZEJR3aonz30m73NpmX5yMnrNwvtzjD/NDGn PJWju3mkvpVpeN0LlFDQbKbv5ZcfhC4= Received: from mail-qv1-f69.google.com (mail-qv1-f69.google.com [209.85.219.69]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-447-kZJCjH3oMIG6Bo51mOVtNw-1; Mon, 29 Jul 2024 05:37:02 -0400 X-MC-Unique: kZJCjH3oMIG6Bo51mOVtNw-1 Received: by mail-qv1-f69.google.com with SMTP id 6a1803df08f44-6b7973ab9cbso7849726d6.3 for ; Mon, 29 Jul 2024 02:37:02 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1722245822; x=1722850622; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=42kYX+we7aWmN9i2s2pGfyq6/m9TDK9MaaqQ5jcnuoY=; b=SsTli3F0o30Mz9UzxSK39NdSc5uaArAuAVBMVy8B+z0/Fre8Nu1ackoq93dX3jsIOZ 7FHXRHoKq5+v2bnCZadQUmgdE4cj7Y6aJcgKQHsvl9Ur6xW2k+qG0vXuCNOSdtCnCNSj GiBkvcFZKOAgeTSzdxTG2MiNpW7Ym04uHMYHW1eP9a8tFQtJmZgFcpF2GOXw5WAEOKHw m/lE7q9N20JgTtt4OiUW/bdyC70ogAr+h+yOiwrjTXopntwArntLy0Wqu9OREWPx3MAO xVziK7ZriszQGrdE18qNiCh2tsl7mAnlk+1idCiM8ifKlcPjDXYcF8idJsXf6umtyW9V qtCw== X-Gm-Message-State: AOJu0YxhaOlz+O2y9P0ih8bb2xrmirnzPZ8U9q/U4Ne47/ZKnXs+mwss KxookaN5rLUx3vw2XJtk6jKH8xE66BEXxl94POf7/EZ6MSRi8cHUD09iYVMRlX1nujZp+WIgEJq ojqYR0v/6Prcqxsc7X1eivWQgseO3SSj4edAqr7M8ipzqtHLk8Kvp+ZHyd8sbYu+tUQ== X-Received: by 2002:ad4:5f87:0:b0:6b7:586c:6db with SMTP id 6a1803df08f44-6bb3e38b497mr93633356d6.9.1722245822101; Mon, 29 Jul 2024 02:37:02 -0700 (PDT) X-Google-Smtp-Source: AGHT+IEgkPP99cFbQc6WSD5piny1t+VTMR84B7lZvZiZJT2aKKHRfx8A/j8DuWgpWI66gNwcsld6zA== X-Received: by 2002:ad4:5f87:0:b0:6b7:586c:6db with SMTP id 6a1803df08f44-6bb3e38b497mr93633256d6.9.1722245821694; Mon, 29 Jul 2024 02:37:01 -0700 (PDT) Received: from dhcp-64-164.muc.redhat.com (nat-pool-muc-t.redhat.com. [149.14.88.26]) by smtp.gmail.com with ESMTPSA id 6a1803df08f44-6bb3fa94a16sm50047086d6.86.2024.07.29.02.37.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 29 Jul 2024 02:37:01 -0700 (PDT) From: Philipp Stanner To: Hans de Goede , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Daniel Vetter , Bjorn Helgaas Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, Philipp Stanner Subject: [PATCH 1/2] PCI: Make pcim_request_region() a public function Date: Mon, 29 Jul 2024 11:36:26 +0200 Message-ID: <20240729093625.17561-4-pstanner@redhat.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240729093625.17561-2-pstanner@redhat.com> References: <20240729093625.17561-2-pstanner@redhat.com> MIME-Version: 1.0 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" pcim_request_region() is the managed counterpart of pci_request_region(). It is currently only used internally for PCI. It can be useful for a number of drivers and exporting it is a step towards deprecating more complicated functions. Make pcim_request_region a public function. Signed-off-by: Philipp Stanner --- drivers/pci/devres.c | 1 + drivers/pci/pci.h | 2 -- include/linux/pci.h | 1 + 3 files changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/pci/devres.c b/drivers/pci/devres.c index 3780a9f9ec00..0127ca58c6e5 100644 --- a/drivers/pci/devres.c +++ b/drivers/pci/devres.c @@ -863,6 +863,7 @@ int pcim_request_region(struct pci_dev *pdev, int bar, const char *name) { return _pcim_request_region(pdev, bar, name, 0); } +EXPORT_SYMBOL(pcim_request_region); /** * pcim_request_region_exclusive - Request a PCI BAR exclusively diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h index 79c8398f3938..2fe6055a334d 100644 --- a/drivers/pci/pci.h +++ b/drivers/pci/pci.h @@ -887,8 +887,6 @@ static inline pci_power_t mid_pci_get_power_state(struct pci_dev *pdev) #endif int pcim_intx(struct pci_dev *dev, int enable); - -int pcim_request_region(struct pci_dev *pdev, int bar, const char *name); int pcim_request_region_exclusive(struct pci_dev *pdev, int bar, const char *name); void pcim_release_region(struct pci_dev *pdev, int bar); diff --git a/include/linux/pci.h b/include/linux/pci.h index 9e36b6c1810e..e5d8406874e2 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -2294,6 +2294,7 @@ static inline void pci_fixup_device(enum pci_fixup_pass pass, void __iomem *pcim_iomap(struct pci_dev *pdev, int bar, unsigned long maxlen); void pcim_iounmap(struct pci_dev *pdev, void __iomem *addr); void __iomem * const *pcim_iomap_table(struct pci_dev *pdev); +int pcim_request_region(struct pci_dev *pdev, int bar, const char *name); int pcim_iomap_regions(struct pci_dev *pdev, int mask, const char *name); int pcim_iomap_regions_request_all(struct pci_dev *pdev, int mask, const char *name);