From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Wed, 11 Jan 2023 18:42:14 +0100 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 1pFf79-0091aE-M9 for lore@lore.pengutronix.de; Wed, 11 Jan 2023 18:42:14 +0100 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 1pFf77-0005hZ-8p for lore@pengutronix.de; Wed, 11 Jan 2023 18:42:14 +0100 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:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=iclwFaVVtytKTytWkngMxmYgZZXZ5+qXtA2BuH0buXo=; b=rAB1mIs98sSp243MhyPqEngyvU bi4neYh54LpqPIPUAM7dQz2sBqiEm0OgGK/+P0pZG00xoy5oog+euUmzertpbfr4D9EY7O1V/bwz6 uHQmarnPAvc0n614SrdfH9kVBhnHNWcKBfx7R51vM6jtpxXDfvEdJ02mLFb5LzyL/kfIC7Xqxfrsx Gl7hZaXpNy/WCzkheqdtC5aHWxLSOPpDWrSdnLSx1FTrwg6wHUYvpnnFefxKq6oLb9PdppivINHfn KvBHefbAtUj8aigfqVPjL+0KaHEjBCAdynY0+w1VpClDZcdqZFzyM/Kb1GoHd4ZDUVaTVPamElnDY 0gnc0L0w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1pFf5n-00CTQk-0Y; Wed, 11 Jan 2023 17:40:51 +0000 Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1pFf5S-00CTHT-Pw for barebox@lists.infradead.org; Wed, 11 Jan 2023 17:40:32 +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 1pFf5Q-00052b-G3; Wed, 11 Jan 2023 18:40:28 +0100 Received: from [2a0a:edc0:0:1101:1d::ac] (helo=dude04.red.stw.pengutronix.de) by drehscheibe.grey.stw.pengutronix.de with esmtp (Exim 4.94.2) (envelope-from ) id 1pFf5P-005M6G-NV; Wed, 11 Jan 2023 18:40:27 +0100 Received: from afa by dude04.red.stw.pengutronix.de with local (Exim 4.94.2) (envelope-from ) id 1pFf5O-007DGT-GO; Wed, 11 Jan 2023 18:40:26 +0100 From: Ahmad Fatoum To: barebox@lists.infradead.org Cc: Ahmad Fatoum Date: Wed, 11 Jan 2023 18:40:16 +0100 Message-Id: <20230111174023.1719129-9-a.fatoum@pengutronix.de> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20230111174023.1719129-1-a.fatoum@pengutronix.de> References: <20230111174023.1719129-1-a.fatoum@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-20230111_094030_899448_C6672F03 X-CRM114-Status: GOOD ( 12.30 ) 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=-4.7 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 autolearn=unavailable autolearn_force=no version=3.4.2 Subject: [PATCH 08/15] driver: implement dev_request_resource 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) dev_request_resource is useful for porting kernel drivers that use devm_request_source on a resource retrieved via . Signed-off-by: Ahmad Fatoum --- drivers/base/driver.c | 19 +++++++++++++++---- include/driver.h | 3 +++ 2 files changed, 18 insertions(+), 4 deletions(-) diff --git a/drivers/base/driver.c b/drivers/base/driver.c index 839a8513fc25..efbffcdddbcb 100644 --- a/drivers/base/driver.c +++ b/drivers/base/driver.c @@ -453,8 +453,19 @@ struct resource *dev_get_resource_by_name(struct device *dev, return ERR_PTR(-ENOENT); } -struct resource *dev_request_mem_resource_by_name(struct device *dev, - const char *name) +static struct resource *dev_request_iomem_resource(struct device *dev, + const struct resource *res) +{ + return request_iomem_region(dev_name(dev), res->start, res->end); +} + +int dev_request_resource(struct device *dev, const struct resource *res) +{ + return PTR_ERR_OR_ZERO(dev_request_iomem_resource(dev, res)); +} +EXPORT_SYMBOL(dev_request_resource); + +struct resource *dev_request_mem_resource_by_name(struct device *dev, const char *name) { struct resource *res; @@ -462,7 +473,7 @@ struct resource *dev_request_mem_resource_by_name(struct device *dev, if (IS_ERR(res)) return ERR_CAST(res); - return request_iomem_region(dev_name(dev), res->start, res->end); + return dev_request_iomem_resource(dev, res); } EXPORT_SYMBOL(dev_request_mem_resource_by_name); @@ -487,7 +498,7 @@ struct resource *dev_request_mem_resource(struct device *dev, int num) if (IS_ERR(res)) return ERR_CAST(res); - return request_iomem_region(dev_name(dev), res->start, res->end); + return dev_request_iomem_resource(dev, res); } void __iomem *dev_request_mem_region_err_null(struct device *dev, int num) diff --git a/include/driver.h b/include/driver.h index e1b1ebde5b5f..b7d6ea1e52c1 100644 --- a/include/driver.h +++ b/include/driver.h @@ -220,6 +220,9 @@ struct resource *dev_get_resource_by_name(struct device *dev, unsigned long type, const char *name); +int dev_request_resource(struct device *dev, + const struct resource *res); + /* * exlusively request register base 'name' for a device */ -- 2.30.2