From patchwork Fri Nov 8 00:18:02 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Torokhov X-Patchwork-Id: 11233939 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 5BDBA15AB for ; Fri, 8 Nov 2019 00:18:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 336F121D6C for ; Fri, 8 Nov 2019 00:18:29 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="DZteuO4d" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728539AbfKHASQ (ORCPT ); Thu, 7 Nov 2019 19:18:16 -0500 Received: from mail-pf1-f193.google.com ([209.85.210.193]:33203 "EHLO mail-pf1-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727952AbfKHASP (ORCPT ); Thu, 7 Nov 2019 19:18:15 -0500 Received: by mail-pf1-f193.google.com with SMTP id c184so3582001pfb.0; Thu, 07 Nov 2019 16:18:14 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=sO4aD46q4EABKrP8LLceQDRZ7MVOUHaHnUQ8y0rtL9Y=; b=DZteuO4dO6HC0iWYzGecKtBwbz+Ti0PhyrEmcm1ixpTPcUJmtEuwtSX2c8LRVE8E/E 01aSxI2dxx2oFO+rueFP4D5BsopkSlD96l2H0WFoMf7R4pKh7Fcx6Vbo+L1Nu95p9Eef xxgnt7XvdGoOEyqNztQqTsgi4u2GGciwQVom+cbzVrBExXPhE0SE2mSFcikNWzliJGhA NJ8KNMi0ED3ybi/N4NZNnaVApOnTaj6AmoeSjn+oEC6iMW1nDKMLpLd99alUxaLieQPg /vN04MpTnGXlIulhXL7ik88an6buowdVMwmq5FHqcTl174GZxvm3TjCZksRXfEOmwemF 4dVg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=sO4aD46q4EABKrP8LLceQDRZ7MVOUHaHnUQ8y0rtL9Y=; b=Da5nec960RDEB5brizCgrORZaBCGQPImphoCJMtPA+1JcD83+9UxGoNNkrK5eMCWwg M2OfTyjVpNBK36VcC74JGieIP1jMStFuTltpLwR1rwdxEt1bLvYH4dXBfYmvym8i+QLO FAbdy20QXoV8NHT87jjgLrM7gyUIQ0SF0X253hJHJbmADZ/ysXSQkv2QxTiIa4lgGXO0 +EOj2zzcCM/lpveOwvd0c5VfwIxDqyCSWr+j+Nv2OUS1XCIfgprHEp3k69WSWjARMrDC WSG182BxlO+IqV4rpXWUaZjdh24KU5iNIumygRiwHTxYEeie+6o0Sz52wzRigzPOLUtE JdAw== X-Gm-Message-State: APjAAAUIMFW4Cj6BPnsXnAF2WuVfqb91Adnm5fevlQ8waE2Ebzf7rZSe Vvw6AEU2kBAHxttfBnLcst4= X-Google-Smtp-Source: APXvYqxs1K+BtG4WBu9yRyUZCztww/N8vv3TtoZzONk82w8sGOP/gL143CV3nkrH6cFEVphiSMEl4Q== X-Received: by 2002:aa7:9348:: with SMTP id 8mr7798989pfn.135.1573172294043; Thu, 07 Nov 2019 16:18:14 -0800 (PST) Received: from dtor-ws.mtv.corp.google.com ([2620:15c:202:201:3adc:b08c:7acc:b325]) by smtp.gmail.com with ESMTPSA id m68sm3688764pfb.122.2019.11.07.16.18.13 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 07 Nov 2019 16:18:13 -0800 (PST) From: Dmitry Torokhov To: "Rafael J. Wysocki" , Heikki Krogerus Cc: Andy Shevchenko , Mika Westerberg , Linus Walleij , Ard Biesheuvel , linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org, platform-driver-x86@vger.kernel.org Subject: [PATCH v7 5/6] software node: remove separate handling of references Date: Thu, 7 Nov 2019 16:18:02 -0800 Message-Id: <20191108001803.191541-6-dmitry.torokhov@gmail.com> X-Mailer: git-send-email 2.24.0.rc1.363.gb1bccd3e3d-goog In-Reply-To: <20191108001803.191541-1-dmitry.torokhov@gmail.com> References: <20191108001803.191541-1-dmitry.torokhov@gmail.com> MIME-Version: 1.0 Sender: platform-driver-x86-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: platform-driver-x86@vger.kernel.org Now that all users of references have moved to reference properties, we can remove separate handling of references. Signed-off-by: Dmitry Torokhov --- drivers/base/swnode.c | 46 +++++++++++++++------------------------- include/linux/property.h | 14 ------------ 2 files changed, 17 insertions(+), 43 deletions(-) diff --git a/drivers/base/swnode.c b/drivers/base/swnode.c index 809146f57aa45..bb6c3c052d23c 100644 --- a/drivers/base/swnode.c +++ b/drivers/base/swnode.c @@ -479,9 +479,8 @@ software_node_get_reference_args(const struct fwnode_handle *fwnode, struct fwnode_reference_args *args) { struct swnode *swnode = to_swnode(fwnode); - const struct software_node_reference *ref; const struct software_node_ref_args *ref_array; - const struct software_node_ref_args *ref_args; + const struct software_node_ref_args *ref; const struct property_entry *prop; struct fwnode_handle *refnode; int i; @@ -490,37 +489,26 @@ software_node_get_reference_args(const struct fwnode_handle *fwnode, return -ENOENT; prop = property_entry_get(swnode->node->properties, propname); - if (prop) { - if (prop->type != DEV_PROP_REF) - return -EINVAL; - - /* - * We expect that references are never stored inline, even - * single ones, as they are too big. - */ - if (prop->is_inline) - return -EINVAL; - - if (index * sizeof(*ref_args) >= prop->length) - return -ENOENT; + if (!prop) + return -ENOENT; - ref_array = prop->pointer; - ref_args = &ref_array[index]; - } else { - if (!swnode->node->references) - return -ENOENT; + if (prop->type != DEV_PROP_REF) + return -EINVAL; - for (ref = swnode->node->references; ref->name; ref++) - if (!strcmp(ref->name, propname)) - break; + /* + * We expect that references are never stored inline, even + * single ones, as they are too big. + */ + if (prop->is_inline) + return -EINVAL; - if (!ref->name || index > (ref->nrefs - 1)) - return -ENOENT; + if (index * sizeof(*ref) >= prop->length) + return -ENOENT; - ref_args = &ref->refs[index]; - } + ref_array = prop->pointer; + ref = &ref_array[index]; - refnode = software_node_fwnode(ref_args->node); + refnode = software_node_fwnode(ref->node); if (!refnode) return -ENOENT; @@ -539,7 +527,7 @@ software_node_get_reference_args(const struct fwnode_handle *fwnode, args->nargs = nargs; for (i = 0; i < nargs; i++) - args->args[i] = ref_args->args[i]; + args->args[i] = ref->args[i]; return 0; } diff --git a/include/linux/property.h b/include/linux/property.h index 68655c094b395..b315fdc0ec28d 100644 --- a/include/linux/property.h +++ b/include/linux/property.h @@ -418,30 +418,16 @@ int fwnode_graph_parse_endpoint(const struct fwnode_handle *fwnode, /* -------------------------------------------------------------------------- */ /* Software fwnode support - when HW description is incomplete or missing */ -/** - * struct software_node_reference - Named software node reference property - * @name: Name of the property - * @nrefs: Number of elements in @refs array - * @refs: Array of references with optional arguments - */ -struct software_node_reference { - const char *name; - unsigned int nrefs; - const struct software_node_ref_args *refs; -}; - /** * struct software_node - Software node description * @name: Name of the software node * @parent: Parent of the software node * @properties: Array of device properties - * @references: Array of software node reference properties */ struct software_node { const char *name; const struct software_node *parent; const struct property_entry *properties; - const struct software_node_reference *references; }; bool is_software_node(const struct fwnode_handle *fwnode);