From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Thu, 04 May 2023 10:19:14 +0200 Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by lore.white.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1puUBH-004LKf-Jl for lore@lore.pengutronix.de; Thu, 04 May 2023 10:19:14 +0200 Received: from bombadil.infradead.org ([2607:7c80:54:3::133]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1puUBF-0001u3-AF for lore@pengutronix.de; Thu, 04 May 2023 10:19:13 +0200 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:To:From:Reply-To: Cc:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=CGmO1DNZ4NyiSdGrpZLcUzgeMRzm4sD3xNsbKr6oPKA=; b=MxniCgl5wLB9Y4LSMXdPDNQ56v sEb+6wEgpJuyClv+UyPGCxdqErsfbG7R3kGfoUuBtKzhDOSL88f5jeVf6XD8sJRe2Qc+/5am+zEJR Mz1AQlXgpNNCIjVc4gHnV/hlSyrx3kjAX6XotcAwoD2x0NzJPOCKFL/f6gN/H7yNb1bPLodqka59i 2mjm/wwrMvls2p0QNE9zdk3qnrwCOS8wv5OWPOkffQokcxgq47JSy1rwHZ1lQOBzuOTqN1iug1EpM 0ZupahI5ZbXHA9wqh+E8GFu6LpTUBHhzZftXk7IOm7XfnADFKgpsuUeqvIvHWAPmDVXwm7pvXmSCu plxrYT0Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1puUA1-0074X7-0s; Thu, 04 May 2023 08:17:57 +0000 Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1puU9w-0074Sq-1v for barebox@lists.infradead.org; Thu, 04 May 2023 08:17:53 +0000 Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1puU9t-0001Fq-AV; Thu, 04 May 2023 10:17:49 +0200 Received: from [2a0a:edc0:0:1101:1d::28] (helo=dude02.red.stw.pengutronix.de) by drehscheibe.grey.stw.pengutronix.de with esmtp (Exim 4.94.2) (envelope-from ) id 1puU9s-0011El-Ic; Thu, 04 May 2023 10:17:48 +0200 Received: from sha by dude02.red.stw.pengutronix.de with local (Exim 4.94.2) (envelope-from ) id 1puU9q-001Hb4-Li; Thu, 04 May 2023 10:17:46 +0200 From: Sascha Hauer To: Barebox List Date: Thu, 4 May 2023 10:17:30 +0200 Message-Id: <20230504081745.305841-4-s.hauer@pengutronix.de> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230504081745.305841-1-s.hauer@pengutronix.de> References: <20230504081745.305841-1-s.hauer@pengutronix.de> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230504_011752_638323_149AFC12 X-CRM114-Status: GOOD ( 12.91 ) X-BeenThere: barebox@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "barebox" X-SA-Exim-Connect-IP: 2607:7c80:54:3::133 X-SA-Exim-Mail-From: barebox-bounces+lore=pengutronix.de@lists.infradead.org X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on metis.ext.pengutronix.de X-Spam-Level: X-Spam-Status: No, score=-5.0 required=4.0 tests=AWL,BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED,SPF_HELO_NONE,SPF_NONE, T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.2 Subject: [PATCH 03/18] pci: add pci_select_bars() helper X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on metis.ext.pengutronix.de) pci_select_bars() will be needed later in the updated RTL8169 driver. Signed-off-by: Sascha Hauer --- drivers/pci/pci.c | 16 ++++++++++++++++ include/linux/pci.h | 1 + 2 files changed, 17 insertions(+) diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index 53e8faeb3e..57a7a75f84 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -539,6 +539,22 @@ int pci_enable_device(struct pci_dev *dev) } EXPORT_SYMBOL(pci_enable_device); +/** + * pci_select_bars - Make BAR mask from the type of resource + * @dev: the PCI device for which BAR mask is made + * @flags: resource type mask to be selected + * + * This helper routine makes bar mask from the type of resource. + */ +int pci_select_bars(struct pci_dev *dev, unsigned long flags) +{ + int i, bars = 0; + for (i = 0; i < PCI_NUM_RESOURCES; i++) + if (pci_resource_flags(dev, i) & flags) + bars |= (1 << i); + return bars; +} + static u8 __pci_find_next_cap_ttl(struct pci_bus *bus, unsigned int devfn, u8 pos, int cap, int *ttl) { diff --git a/include/linux/pci.h b/include/linux/pci.h index 31488bf8ac..98d056624f 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -326,6 +326,7 @@ static inline int pci_write_config_dword(const struct pci_dev *dev, int where, void pci_set_master(struct pci_dev *dev); void pci_clear_master(struct pci_dev *dev); int pci_enable_device(struct pci_dev *dev); +int pci_select_bars(struct pci_dev *dev, unsigned long flags); u8 pci_find_next_capability(struct pci_dev *dev, u8 pos, int cap); u8 pci_find_capability(struct pci_dev *dev, int cap); -- 2.39.2