From patchwork Wed Nov 23 18:01:34 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michael Walle X-Patchwork-Id: 1708439 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=2620:137:e000::1:20; helo=out1.vger.email; envelope-from=devicetree-owner@vger.kernel.org; receiver=) Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; secure) header.d=walle.cc header.i=@walle.cc header.a=rsa-sha256 header.s=mail2022082101 header.b=Jk8A2EV9; dkim-atps=neutral Received: from out1.vger.email (out1.vger.email [IPv6:2620:137:e000::1:20]) by legolas.ozlabs.org (Postfix) with ESMTP id 4NHTVf1QJbz23mR for ; Thu, 24 Nov 2022 05:02:34 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239384AbiKWSC0 (ORCPT ); Wed, 23 Nov 2022 13:02:26 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53654 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239370AbiKWSCW (ORCPT ); Wed, 23 Nov 2022 13:02:22 -0500 Received: from mail.3ffe.de (0001.3ffe.de [IPv6:2a01:4f8:c0c:9d57::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B8E9197358; Wed, 23 Nov 2022 10:02:21 -0800 (PST) Received: from mwalle01.kontron.local. (unknown [213.135.10.150]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mail.3ffe.de (Postfix) with ESMTPSA id AACAA31FF; Wed, 23 Nov 2022 19:02:19 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=walle.cc; s=mail2022082101; t=1669226539; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=XAy6w8gmcdBCGB2WqwHd4YD9OIJ2+H3z5Lml3ZnuA1g=; b=Jk8A2EV9KEcSNasbByjuQt4+++GQ/KW67C5/I+Tf74dT/Y9tJd0oBWBzVfadSmgmsDjArL AwzGAodXnZxJGtF/OXmHxDbXMVcO2nlIfqe+EGYtKNX5MUpeUR9FjTiqx3hnu+lG0D6IpL z3Pu8ymOvfx9YDxHRfql5QvX8DH3r2dTAD0TLg+NFpRNEbvvULeFZQPUDaHtPy6g4KRywO 2pLEPltOCEFDDv108Kdxli/pBN+sIAuvezSL5OsBqQ9u0Ld2A9pSqTBNmJIUIta5ofYhZg 6aqrcvjZlb6tUa25OXK9vii2aF+Ptl+J9YuYCRii3iSsJ0FvMHRhc3XiunlkVw== From: Michael Walle To: Jonathan Corbet , Srinivas Kandagatla , Miquel Raynal , Rob Herring , Frank Rowand , Sascha Hauer Cc: linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, Michael Walle Subject: [PATCH v4 03/20] of: property: make #.*-cells optional for simple props Date: Wed, 23 Nov 2022 19:01:34 +0100 Message-Id: <20221123180151.2160033-4-michael@walle.cc> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20221123180151.2160033-1-michael@walle.cc> References: <20221123180151.2160033-1-michael@walle.cc> MIME-Version: 1.0 X-Spam: Yes X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Sometimes, future bindings for phandles will get additional arguments. Thus the target node of the phandle will need a new #.*-cells property. To be backwards compatible, this needs to be optional. Prepare the DEFINE_SIMPLE_PROPS() to handle the cells name as optional. Signed-off-by: Michael Walle Tested-by: Miquel Raynal Reviewed-by: Rob Herring --- changes since v3: - new patch drivers/of/property.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/of/property.c b/drivers/of/property.c index 967f79b59016..9773bfeaed9f 100644 --- a/drivers/of/property.c +++ b/drivers/of/property.c @@ -1254,8 +1254,8 @@ static struct device_node *parse_suffix_prop_cells(struct device_node *np, if (strcmp_suffix(prop_name, suffix)) return NULL; - if (of_parse_phandle_with_args(np, prop_name, cells_name, index, - &sup_args)) + if (__of_parse_phandle_with_args(np, prop_name, cells_name, 0, index, + &sup_args)) return NULL; return sup_args.np;