From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.9 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 504CCC07E85 for ; Tue, 11 Dec 2018 13:15:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1F9A12081B for ; Tue, 11 Dec 2018 13:15:09 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1F9A12081B Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726507AbeLKNPC (ORCPT ); Tue, 11 Dec 2018 08:15:02 -0500 Received: from mga11.intel.com ([192.55.52.93]:26804 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726170AbeLKNPA (ORCPT ); Tue, 11 Dec 2018 08:15:00 -0500 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga102.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 11 Dec 2018 05:14:59 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.56,342,1539673200"; d="scan'208";a="128954740" Received: from black.fi.intel.com (HELO black.fi.intel.com.) ([10.237.72.28]) by fmsmga001.fm.intel.com with ESMTP; 11 Dec 2018 05:14:57 -0800 From: Heikki Krogerus To: "Rafael J. Wysocki" , Andy Shevchenko Cc: Mika Westerberg , Rob Herring , Frank Rowand , linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org, devicetree@vger.kernel.org Subject: [PATCH v6 2/3] ACPI: property: Add acpi_fwnode_name() Date: Tue, 11 Dec 2018 16:14:50 +0300 Message-Id: <20181211131451.52832-3-heikki.krogerus@linux.intel.com> X-Mailer: git-send-email 2.19.2 In-Reply-To: <20181211131451.52832-1-heikki.krogerus@linux.intel.com> References: <20181211131451.52832-1-heikki.krogerus@linux.intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This implements the get_name fwnode op for ACPI. Signed-off-by: Heikki Krogerus --- drivers/acpi/property.c | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) diff --git a/drivers/acpi/property.c b/drivers/acpi/property.c index 77abe0ec4043..27cf3b4a6f9b 100644 --- a/drivers/acpi/property.c +++ b/drivers/acpi/property.c @@ -1230,6 +1230,33 @@ acpi_graph_get_remote_endpoint(const struct fwnode_handle *__fwnode) return acpi_graph_get_child_prop_value(fwnode, "endpoint", endpoint_nr); } +static int +acpi_fwnode_get_name(const struct fwnode_handle *fwnode, char *buf, size_t len) +{ + struct acpi_buffer buffer; + acpi_status status; + + if (is_acpi_data_node(fwnode)) { + if (len < strlen(to_acpi_data_node(fwnode)->name) + 1) + return -EOVERFLOW; + sprintf(buf, "%s", to_acpi_data_node(fwnode)->name); + return 0; + } + + if (len < ACPI_NAME_SIZE + 1) + return -EOVERFLOW; + + buffer.length = ACPI_NAME_SIZE + 1; + buffer.pointer = buf; + + status = acpi_get_name(to_acpi_device_node(fwnode)->handle, + ACPI_SINGLE_NAME, &buffer); + if (ACPI_FAILURE(status)) + return -ENXIO; + + return 0; +} + static bool acpi_fwnode_device_is_available(const struct fwnode_handle *fwnode) { if (!is_acpi_device_node(fwnode)) @@ -1321,6 +1348,7 @@ acpi_fwnode_device_get_match_data(const struct fwnode_handle *fwnode, #define DECLARE_ACPI_FWNODE_OPS(ops) \ const struct fwnode_operations ops = { \ + .get_name = acpi_fwnode_get_name, \ .device_is_available = acpi_fwnode_device_is_available, \ .device_get_match_data = acpi_fwnode_device_get_match_data, \ .property_present = acpi_fwnode_property_present, \ -- 2.19.2