From patchwork Thu Jun 20 08:42:55 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Herve Codina X-Patchwork-Id: 13704997 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 907D2C27C79 for ; Thu, 20 Jun 2024 08:44:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=YDLRcTY0BkTaFAdlLFjztJqIMTmDai9TLYinXM16row=; b=Qus4v0M+VQtao5FEmi/g3Gj89P TjJjGGe1r5tbJJYsQw0n3qA3rVPwqbuoEimP5jhkqWjFvGaQoOogYzayEo3bfwcNj3iAQtX311IIN 1nVXlYp77jfRcmLwn6M8LFUhFdPiKN0j93hHGgWp34Vseib+ljfvBesLA6qkcxxohi416uVBddla3 fyNCGek8OboiKC0Ad5HxR1g0yzmzpJc6BylgDJ25ag5BLEQ7lCFrUp9Gbbcd/LnahFq4FCMziVFwM wGAjPQDV77WLYHMdGpTgNz5s9rWh0UoM5hVOUX0FgVtTKiwVIYdM+Mf4mNl2xskZRynvFwjtzoRpE iNrcpnyg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sKDOj-00000004DL2-2fXG; Thu, 20 Jun 2024 08:44:01 +0000 Received: from relay7-d.mail.gandi.net ([217.70.183.200]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1sKDO4-00000004Cwf-3PwM for linux-arm-kernel@lists.infradead.org; Thu, 20 Jun 2024 08:43:22 +0000 Received: by mail.gandi.net (Postfix) with ESMTPA id 5E33D20012; Thu, 20 Jun 2024 08:43:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1718872999; 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=YDLRcTY0BkTaFAdlLFjztJqIMTmDai9TLYinXM16row=; b=BYraRfk7fEz5L1838NbMQUtgasaGC3yafWba1AA59mzifxKYEytwkNwf8SyIWpTY3kgf6B XVylMtJ5iP8zPd51l9KZueVKs9oinG3sl6rbBmqPv7N/6EmTdGrluo/VNLTg6qjw1NVJ5K FxI9ONYG7CI54wUSXtP8pOp/P6Q7OuDTS/4XCYA8fJ3iZ5xX/HN37b9QFIO0OqRZskePlB L91Bt6v+i5rN5HUE8T5+kkQFZ0M0AKz8O/Spdg6uN9XAhBPsCZbP6cwciBfrvrhyDFvpEf ggReD1B+0vtfuCPOfKDWeEOU4Tr4aTq27ArjK8IYP4XQs5WublUbr+biTu74ig== From: Herve Codina To: Herve Codina , Liam Girdwood , Mark Brown , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Qiang Zhao , Shengjiu Wang , Xiubo Li , Fabio Estevam , Nicolin Chen , Jaroslav Kysela , Takashi Iwai , Christophe Leroy Cc: alsa-devel@alsa-project.org, linuxppc-dev@lists.ozlabs.org, linux-sound@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Thomas Petazzoni Subject: [PATCH 08/10] soc: fsl: cpm1: qmc: Introduce qmc_chan_count_phandles() Date: Thu, 20 Jun 2024 10:42:55 +0200 Message-ID: <20240620084300.397853-9-herve.codina@bootlin.com> X-Mailer: git-send-email 2.45.0 In-Reply-To: <20240620084300.397853-1-herve.codina@bootlin.com> References: <20240620084300.397853-1-herve.codina@bootlin.com> MIME-Version: 1.0 X-GND-Sasl: herve.codina@bootlin.com X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240620_014321_030209_C213D515 X-CRM114-Status: UNSURE ( 9.80 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org No function in the QMC API is available to get the number of phandles present in a phandle list. Fill this lack introducing qmc_chan_count_phandles(). Signed-off-by: Herve Codina --- drivers/soc/fsl/qe/qmc.c | 13 +++++++++++++ include/soc/fsl/qe/qmc.h | 2 ++ 2 files changed, 15 insertions(+) diff --git a/drivers/soc/fsl/qe/qmc.c b/drivers/soc/fsl/qe/qmc.c index e23d60018400..76bb496305a0 100644 --- a/drivers/soc/fsl/qe/qmc.c +++ b/drivers/soc/fsl/qe/qmc.c @@ -1777,6 +1777,19 @@ static struct qmc_chan *qmc_chan_get_from_qmc(struct device_node *qmc_np, unsign return qmc_chan; } +int qmc_chan_count_phandles(struct device_node *np, const char *phandles_name) +{ + int count; + + /* phandles are fixed args phandles with one arg */ + count = of_count_phandle_with_args(np, phandles_name, NULL); + if (count < 0) + return count; + + return count / 2; +} +EXPORT_SYMBOL(qmc_chan_count_phandles); + struct qmc_chan *qmc_chan_get_byphandles_index(struct device_node *np, const char *phandles_name, int index) diff --git a/include/soc/fsl/qe/qmc.h b/include/soc/fsl/qe/qmc.h index 0fa7205145ce..294e42ea8d4c 100644 --- a/include/soc/fsl/qe/qmc.h +++ b/include/soc/fsl/qe/qmc.h @@ -16,6 +16,8 @@ struct device_node; struct device; struct qmc_chan; +int qmc_chan_count_phandles(struct device_node *np, const char *phandles_name); + struct qmc_chan *qmc_chan_get_byphandles_index(struct device_node *np, const char *phandles_name, int index);