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[81.169.180.215]) by mx.google.com with ESMTP id q31si10241921edq.83.2017.08.25.09.13.28; Fri, 25 Aug 2017 09:13:28 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of u-boot-bounces@lists.denx.de designates 81.169.180.215 as permitted sender) client-ip=81.169.180.215; Authentication-Results: mx.google.com; dkim=neutral (body hash did not verify) header.i=@nifty.com header.s=dec2015msa header.b=xLQsmWxv; spf=pass (google.com: best guess record for domain of u-boot-bounces@lists.denx.de designates 81.169.180.215 as permitted sender) smtp.mailfrom=u-boot-bounces@lists.denx.de Received: by lists.denx.de (Postfix, from userid 105) id 4E51DC21F89; Fri, 25 Aug 2017 16:13:11 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on lists.denx.de X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=T_DKIM_INVALID autolearn=unavailable autolearn_force=no version=3.4.0 Received: from lists.denx.de (localhost [IPv6:::1]) by lists.denx.de (Postfix) with ESMTP id 85303C21F64; Fri, 25 Aug 2017 16:13:09 +0000 (UTC) Received: by lists.denx.de (Postfix, from userid 105) id E990CC21F70; Fri, 25 Aug 2017 16:13:08 +0000 (UTC) Received: from conuserg-09.nifty.com (conuserg-09.nifty.com [210.131.2.76]) by lists.denx.de (Postfix) with ESMTPS id B789EC21F64 for ; Fri, 25 Aug 2017 16:13:07 +0000 (UTC) Received: from grover.sesame (FL1-122-131-185-176.osk.mesh.ad.jp [122.131.185.176]) (authenticated) by conuserg-09.nifty.com with ESMTP id v7PGCg5p016083; Sat, 26 Aug 2017 01:12:43 +0900 DKIM-Filter: OpenDKIM Filter v2.10.3 conuserg-09.nifty.com v7PGCg5p016083 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nifty.com; s=dec2015msa; t=1503677563; bh=Yl0JXJSGRDfXFl8hOixKXA9GgtS7BSQbaaHzOv+D/2c=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=xLQsmWxv2XN1VDdlIruAONCg1kh6dMXBoTnVDAdoR5Nx7j/iVRG52ifMUDAIs7d9E 2pjEFRI0I1D+R6hQGctV1gS8p4eS1PqfO98XkCoaGtMSEM3AeJ2fu1OGvOO10WdxSM tv4ldd7UzFzz7OJF7dt663VJULt3geS3VkSjmNFypB9eWK2ziJsOJFq8F8LhD5chfk FyDZw8TyAwKda4XqqEItoIBm+T89duH9P26cqYOiqaWLq0ljafC6ATid4z20jpaSYY xppRc0OLOQdaxVGqbCtzs+602hHWvJ3/Nr+96/w0VvjzHGHShqUDI4K259Q2lOmzYq KP1MfVOHbJZSA== X-Nifty-SrcIP: [122.131.185.176] From: Masahiro Yamada To: u-boot@lists.denx.de Date: Sat, 26 Aug 2017 01:12:30 +0900 Message-Id: <1503677551-5085-2-git-send-email-yamada.masahiro@socionext.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1503677551-5085-1-git-send-email-yamada.masahiro@socionext.com> References: <1503677551-5085-1-git-send-email-yamada.masahiro@socionext.com> Subject: [U-Boot] [PATCH 1/2] ofnode: add {ofnode, dev}_read_resource_byname() X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.18 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" Linux supports platform_get_resource_byname() to look up a resource by name. We want a similar helper. It is useful when a device node has two or more named register regions. Signed-off-by: Masahiro Yamada Reviewed-by: Simon Glass --- drivers/core/ofnode.c | 12 ++++++++++++ drivers/core/read.c | 6 ++++++ include/dm/ofnode.h | 2 ++ include/dm/read.h | 20 +++++++++++++++++++- 4 files changed, 39 insertions(+), 1 deletion(-) diff --git a/drivers/core/ofnode.c b/drivers/core/ofnode.c index c1a2e9f0daef..0685b689d846 100644 --- a/drivers/core/ofnode.c +++ b/drivers/core/ofnode.c @@ -627,3 +627,15 @@ int ofnode_read_resource(ofnode node, uint index, struct resource *res) return 0; } } + +int ofnode_read_resource_byname(ofnode node, const char *name, + struct resource *res) +{ + int index; + + index = ofnode_stringlist_search(node, "reg-names", name); + if (index < 0) + return index; + + return ofnode_read_resource(node, index, res); +} diff --git a/drivers/core/read.c b/drivers/core/read.c index fe40bed64de3..6acb33388f56 100644 --- a/drivers/core/read.c +++ b/drivers/core/read.c @@ -164,3 +164,9 @@ int dev_read_resource(struct udevice *dev, uint index, struct resource *res) { return ofnode_read_resource(dev_ofnode(dev), index, res); } + +int dev_read_resource_byname(struct udevice *dev, const char *name, + struct resource *res) +{ + return ofnode_read_resource_byname(dev_ofnode(dev), name, res); +} diff --git a/include/dm/ofnode.h b/include/dm/ofnode.h index 210ddb2e5d74..de2769ed5376 100644 --- a/include/dm/ofnode.h +++ b/include/dm/ofnode.h @@ -625,5 +625,7 @@ int ofnode_read_simple_size_cells(ofnode node); bool ofnode_pre_reloc(ofnode node); int ofnode_read_resource(ofnode node, uint index, struct resource *res); +int ofnode_read_resource_byname(ofnode node, const char *name, + struct resource *res); #endif diff --git a/include/dm/read.h b/include/dm/read.h index c3a4a5611a70..49d69c990f6e 100644 --- a/include/dm/read.h +++ b/include/dm/read.h @@ -359,13 +359,24 @@ int dev_read_enabled(struct udevice *dev); /** * dev_read_resource() - obtain an indexed resource from a device. * - * @dev: devuce to examine + * @dev: device to examine * @index index of the resource to retrieve (0 = first) * @res returns the resource * @return 0 if ok, negative on error */ int dev_read_resource(struct udevice *dev, uint index, struct resource *res); +/** + * dev_read_resource_byname() - obtain a named resource from a device. + * + * @dev: device to examine + * @name: name of the resource to retrieve + * @res: returns the resource + * @return 0 if ok, negative on error + */ +int dev_read_resource_byname(struct udevice *dev, const char *name, + struct resource *res); + #else /* CONFIG_DM_DEV_READ_INLINE is enabled */ static inline int dev_read_u32_default(struct udevice *dev, @@ -513,6 +524,13 @@ static inline int dev_read_resource(struct udevice *dev, uint index, return ofnode_read_resource(dev_ofnode(dev), index, res); } +static inline int dev_read_resource_byname(struct udevice *dev, + const char *name, + struct resource *res) +{ + return ofnode_read_resource_byname(dev_ofnode(dev), name, res); +} + #endif /* CONFIG_DM_DEV_READ_INLINE */ /**