From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Wed, 13 Mar 2024 11:57:24 +0100 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by lore.white.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1rkMIW-004HRe-19 for lore@lore.pengutronix.de; Wed, 13 Mar 2024 11:57:24 +0100 Received: from bombadil.infradead.org ([2607:7c80:54:3::133]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1rkMIU-0000z2-GG for lore@pengutronix.de; Wed, 13 Mar 2024 11:57:24 +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=CBZSKFsMYmNWg+M4KF5DFcjJXkrMu8eETMV4mgEaDi8=; b=ZRCKpgajTJgQoZBCO86S5xXKdT N5UVpoj5GxF2yWj5ukTrPKb7UajzKBWVOEI7QvBGu8KSPjwqMGTWj54dC8meYyou114CHkzqp2wBU npIvIQQbW9K3REh6SzLECHTTGssrXD/TH1Q76FiZJqaqT9dF6dKUmYPA+AGgADQoOJk0cxW2CsfBt qKeHkQdN2vrIWZCiWW/K1C1DkcUAP8IjW5b1ez7T8sNR+95f93yJ9gkBcNXa+4YC8y7MVD+XPndks CBF3heQT6B9g3v8yJb5+850NVL6DkxTuhWIqx5bVQIAPJQcRxZ/xsmzRCObFL1wV+QeK/GP3vwSFP zjgEdmCA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1rkMHr-00000009kSH-3XHL; Wed, 13 Mar 2024 10:56:43 +0000 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1rkMHi-00000009kKj-0PaY for barebox@lists.infradead.org; Wed, 13 Mar 2024 10:56:36 +0000 Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1rkMHg-0008P8-Tg; Wed, 13 Mar 2024 11:56:32 +0100 Received: from [2a0a:edc0:0:1101:1d::54] (helo=dude05.red.stw.pengutronix.de) by drehscheibe.grey.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1rkMHg-006619-HE; Wed, 13 Mar 2024 11:56:32 +0100 Received: from localhost ([::1] helo=dude05.red.stw.pengutronix.de) by dude05.red.stw.pengutronix.de with esmtp (Exim 4.96) (envelope-from ) id 1rkMHf-004FrF-32; Wed, 13 Mar 2024 11:56:32 +0100 From: Ahmad Fatoum To: barebox@lists.infradead.org Cc: Ahmad Fatoum Date: Wed, 13 Mar 2024 11:56:22 +0100 Message-Id: <20240313105631.686778-4-a.fatoum@pengutronix.de> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240313105631.686778-1-a.fatoum@pengutronix.de> References: <20240313105631.686778-1-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-20240313_035634_304644_F354E957 X-CRM114-Status: GOOD ( 12.15 ) 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.whiteo.stw.pengutronix.de X-Spam-Level: X-Spam-Status: No, score=-4.6 required=4.0 tests=AWL,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 03/12] driver: implement dev_platform_get_and_ioremap_resource X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on metis.whiteo.stw.pengutronix.de) To simplify porting of Linux drivers that make use of this function, add an implementation to barebox. This was so far not done, because AT91 has I/O memory regions that conflict with the error pointers. Therefore, we emit a warning if we run into such a conflict. Signed-off-by: Ahmad Fatoum --- drivers/base/driver.c | 19 +++++++++++++++++++ include/driver.h | 4 ++++ 2 files changed, 23 insertions(+) diff --git a/drivers/base/driver.c b/drivers/base/driver.c index b2d428b70550..fbc5cbebe0ab 100644 --- a/drivers/base/driver.c +++ b/drivers/base/driver.c @@ -538,6 +538,25 @@ void __iomem *dev_request_mem_region_by_name(struct device *dev, } EXPORT_SYMBOL(dev_request_mem_region_by_name); +void __iomem *dev_platform_get_and_ioremap_resource(struct device *dev, + int num, + struct resource **out_res) +{ + struct resource *res; + + res = dev_request_mem_resource(dev, num); + if (IS_ERR(res)) + return IOMEM_ERR_PTR(PTR_ERR(res)); + else if (WARN_ON(IS_ERR_VALUE(res->start))) + return IOMEM_ERR_PTR(-EINVAL); + + if (out_res) + *out_res = res; + + return IOMEM(res->start); +} +EXPORT_SYMBOL(dev_platform_get_and_ioremap_resource); + struct resource *dev_request_mem_resource(struct device *dev, int num) { struct resource *res; diff --git a/include/driver.h b/include/driver.h index 7ff65d63946d..a61b9dca2285 100644 --- a/include/driver.h +++ b/include/driver.h @@ -289,6 +289,10 @@ struct resource *dev_request_mem_resource(struct device *dev, int num); struct resource *dev_request_mem_resource_by_name(struct device *dev, const char *name); +void __iomem *dev_platform_get_and_ioremap_resource(struct device *dev, + int num, + struct resource **out_res); + /* * exlusively request register base 'num' for a device * will return NULL on error -- 2.39.2