From patchwork Mon Jul 1 11:30:35 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Herve Codina X-Patchwork-Id: 13717960 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 9D1BFC30653 for ; Mon, 1 Jul 2024 11:33:40 +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=pVgr2efkpN9PNT2tPM0VCj6z+W 73wAkNOc07pI3zgNvQ0EvqpJPv9iF5JKaAymiJCtQXrcuD1i5w/p7JSyFysFcI8fb+zeHFiAHWEWq ueJxOMWPTx8mVnu5XxlFTGzaXFgA7sts4Rp1F2uz6YJA88rRAlItwWzG9aszgcuJBgxENpHd0NUyi d8jmAG8zj53OmaUasZ3q5/BWEBPHnf9gxeh4Gx4xw7gj8Lycirxk2sBFYKa2T3Gpot2uQpmflj/HB xIqol+LBzjdVWQZdDbgflK+9DPZqWoyFN4Jw0yQWRwKnWOAkh5Qq5x9DbMY0WffCC0y9Jm3Qe+P98 WXn6cKLw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sOFHl-00000002v4j-1MkB; Mon, 01 Jul 2024 11:33:29 +0000 Received: from relay1-d.mail.gandi.net ([2001:4b98:dc4:8::221]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1sOFGN-00000002uGd-3DsE for linux-arm-kernel@lists.infradead.org; Mon, 01 Jul 2024 11:32:05 +0000 Received: by mail.gandi.net (Postfix) with ESMTPA id 65EA0240004; Mon, 1 Jul 2024 11:32:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1719833522; 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=QT8erB9gCf6OWkg7I6bDNvSwNHrlZgWewAb/9E6bxyHgTRCqj2DNQZFNSOaK+ddE7EkNU5 jxbm2hC72zLFhJ3/KQF480Glzu92tNXYsL9yyhfIXf2cQ/oWJG1G1jLWjhBNgQD3Yznk/5 tseXa4zkp148CetvvWDLVuqw3Gvwgh3otEYTaDYPHfjxJ6gkOLYkdcONzryFfWuYO909oT 7WybA9ia1UvUI1jQECS5En7l0ppFDRxfQmkGLcnHJrc/s7w+RZTKvukKsg7WA8A67bj5Q2 t5ImicTFkaiRPQBVPJDCKPqDh+LPY1cP/XWhxPE4VAohS5ZM9RXw5M4CfTW4Pg== 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 v2 08/10] soc: fsl: cpm1: qmc: Introduce qmc_chan_count_phandles() Date: Mon, 1 Jul 2024 13:30:35 +0200 Message-ID: <20240701113038.55144-9-herve.codina@bootlin.com> X-Mailer: git-send-email 2.45.0 In-Reply-To: <20240701113038.55144-1-herve.codina@bootlin.com> References: <20240701113038.55144-1-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-20240701_043203_968709_9834BA67 X-CRM114-Status: GOOD ( 10.68 ) 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);