From patchwork Wed Dec 13 18:26:17 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jacopo Mondi X-Patchwork-Id: 10110565 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id C720260352 for ; Wed, 13 Dec 2017 18:26:38 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id B8D9228C5C for ; Wed, 13 Dec 2017 18:26:38 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id ADBB528C69; Wed, 13 Dec 2017 18:26:38 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 424A628C5C for ; Wed, 13 Dec 2017 18:26:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753686AbdLMS0h (ORCPT ); Wed, 13 Dec 2017 13:26:37 -0500 Received: from relay2-d.mail.gandi.net ([217.70.183.194]:33013 "EHLO relay2-d.mail.gandi.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753011AbdLMS0f (ORCPT ); Wed, 13 Dec 2017 13:26:35 -0500 Received: from w540.lan (unknown [IPv6:2001:b07:6442:1ac4:39f5:8cfe:f761:e535]) (Authenticated sender: jacopo@jmondi.org) by relay2-d.mail.gandi.net (Postfix) with ESMTPSA id 89CEBC5A76; Wed, 13 Dec 2017 19:26:32 +0100 (CET) From: Jacopo Mondi To: sakari.ailus@linux.intel.com Cc: Jacopo Mondi , niklas.soderlund@ragnatech.se, kieran.bingham@ideasonboard.com, laurent.pinchart@ideasonboard.com, linux-media@vger.kernel.org, linux-renesas-soc@vger.kernel.org Subject: [PATCH 2/5] device property: Add fwnode_get_name() operation Date: Wed, 13 Dec 2017 19:26:17 +0100 Message-Id: <1513189580-32202-3-git-send-email-jacopo+renesas@jmondi.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1513189580-32202-1-git-send-email-jacopo+renesas@jmondi.org> References: <1513189580-32202-1-git-send-email-jacopo+renesas@jmondi.org> Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Add operation to retrieve the device name from a fwnode handle. Signed-off-by: Jacopo Mondi --- drivers/acpi/property.c | 6 ++++++ drivers/base/property.c | 12 ++++++++++++ drivers/of/property.c | 6 ++++++ include/linux/fwnode.h | 2 ++ include/linux/property.h | 1 + 5 files changed, 27 insertions(+) diff --git a/drivers/acpi/property.c b/drivers/acpi/property.c index e26ea20..1e3971c 100644 --- a/drivers/acpi/property.c +++ b/drivers/acpi/property.c @@ -1186,6 +1186,11 @@ acpi_fwnode_property_read_string_array(const struct fwnode_handle *fwnode, val, nval); } +static const char *acpi_fwnode_get_name(const struct fwnode_handle *fwnode) +{ + return acpi_dev_name(to_acpi_device_node(fwnode)); +} + static struct fwnode_handle * acpi_fwnode_get_named_child_node(const struct fwnode_handle *fwnode, const char *childname) @@ -1281,6 +1286,7 @@ static int acpi_fwnode_graph_parse_endpoint(const struct fwnode_handle *fwnode, acpi_fwnode_property_read_string_array, \ .get_parent = acpi_node_get_parent, \ .get_next_child_node = acpi_get_next_subnode, \ + .get_name = acpi_fwnode_get_name, \ .get_named_child_node = acpi_fwnode_get_named_child_node, \ .get_reference_args = acpi_fwnode_get_reference_args, \ .graph_get_next_endpoint = \ diff --git a/drivers/base/property.c b/drivers/base/property.c index 851b1b6..a87b4a9 100644 --- a/drivers/base/property.c +++ b/drivers/base/property.c @@ -950,6 +950,18 @@ int device_add_properties(struct device *dev, EXPORT_SYMBOL_GPL(device_add_properties); /** + * fwnode_get_name - Return the fwnode_handle name + * @fwnode: Firmware node to get name from + * + * Returns a pointer to the firmware node name + */ +const char *fwnode_get_name(const struct fwnode_handle *fwnode) +{ + return fwnode_call_ptr_op(fwnode, get_name); +} +EXPORT_SYMBOL(fwnode_get_name); + +/** * fwnode_get_next_parent - Iterate to the node's parent * @fwnode: Firmware whose parent is retrieved * diff --git a/drivers/of/property.c b/drivers/of/property.c index 8ad33a4..6c195a8 100644 --- a/drivers/of/property.c +++ b/drivers/of/property.c @@ -875,6 +875,11 @@ of_fwnode_property_read_string_array(const struct fwnode_handle *fwnode, of_property_count_strings(node, propname); } +static const char *of_fwnode_get_name(const struct fwnode_handle *fwnode) +{ + return of_node_full_name(to_of_node(fwnode)); +} + static struct fwnode_handle * of_fwnode_get_parent(const struct fwnode_handle *fwnode) { @@ -988,6 +993,7 @@ const struct fwnode_operations of_fwnode_ops = { .property_present = of_fwnode_property_present, .property_read_int_array = of_fwnode_property_read_int_array, .property_read_string_array = of_fwnode_property_read_string_array, + .get_name = of_fwnode_get_name, .get_parent = of_fwnode_get_parent, .get_next_child_node = of_fwnode_get_next_child_node, .get_named_child_node = of_fwnode_get_named_child_node, diff --git a/include/linux/fwnode.h b/include/linux/fwnode.h index 411a84c..5d3a8c6 100644 --- a/include/linux/fwnode.h +++ b/include/linux/fwnode.h @@ -57,6 +57,7 @@ struct fwnode_reference_args { * otherwise. * @property_read_string_array: Read an array of string properties. Return zero * on success, a negative error code otherwise. + * @get_name: Return the fwnode name. * @get_parent: Return the parent of an fwnode. * @get_next_child_node: Return the next child node in an iteration. * @get_named_child_node: Return a child node with a given name. @@ -81,6 +82,7 @@ struct fwnode_operations { (*property_read_string_array)(const struct fwnode_handle *fwnode_handle, const char *propname, const char **val, size_t nval); + const char *(*get_name)(const struct fwnode_handle *fwnode); struct fwnode_handle *(*get_parent)(const struct fwnode_handle *fwnode); struct fwnode_handle * (*get_next_child_node)(const struct fwnode_handle *fwnode, diff --git a/include/linux/property.h b/include/linux/property.h index f6189a3..0fc464f 100644 --- a/include/linux/property.h +++ b/include/linux/property.h @@ -78,6 +78,7 @@ int fwnode_property_get_reference_args(const struct fwnode_handle *fwnode, unsigned int nargs, unsigned int index, struct fwnode_reference_args *args); +const char *fwnode_get_name(const struct fwnode_handle *fwnode); struct fwnode_handle *fwnode_get_parent(const struct fwnode_handle *fwnode); struct fwnode_handle *fwnode_get_next_parent( struct fwnode_handle *fwnode);