From patchwork Wed Aug 9 13:27:36 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Herve Codina X-Patchwork-Id: 13348006 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 DE018C04E69 for ; Wed, 9 Aug 2023 13:29:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=9wOxMjQiQ1pjTfcEaeyWEB7yfnRGlRlrqboKHUVDqyw=; b=XeZ8obCq7Q2idg rR5AyltNzxE4w5q/4b252gAWZJYT1h/NVVCMPDQbX1757xcb049/ayxU7TanddoRPjghhKbClurfm FX1fawqwtzch2235QgDQx0hZEwpnxWjMErTiPEwaiTFnoQeJWr1MmStc3k0Q+rmzMoBr5s1P7LUCN 4k9ecguRJJx0nspllsl+oHnEDXRrG6AV3FgjODjHIObDDYMfmaf4iU4rAZfVtM0fgJal/YLCxSCGL qMtLYi8GxrVvCPvWrZiJFJnk8QHcoR8UkqW7kvBxaephsteMqTWC6eVwRnpIxfVOLaFxduYkcQTTH 5YjMAJdkDdYr757tz7yg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qTjFD-0050hj-2K; Wed, 09 Aug 2023 13:28:59 +0000 Received: from relay2-d.mail.gandi.net ([2001:4b98:dc4:8::222]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qTjEh-0050FI-0p for linux-arm-kernel@lists.infradead.org; Wed, 09 Aug 2023 13:28:36 +0000 Received: by mail.gandi.net (Postfix) with ESMTPA id BC34940011; Wed, 9 Aug 2023 13:28:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1691587705; 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=b76iZMmvIvCMEyBgEerfkaYKot2Yt0wNBegRQvGpUdk=; b=XqYquN0BCr88Qn8XrGMbfKGESOT/2/r19xycnvvW1yS2bVGito7H2iBOtdg8LZ/pS+xpMn LQPlqnlDhvmw4Va5ZbpaP3xlKSqhJn9inpPlWoiwx+uLIG4E4JQ5t8HGnnmlo5px7wukO/ wJZSLFh+PNwzNBcEtZ9FuU2K1e5o3aI/vWA4mChdAbJAcOqFs0bfJ/Z6V4pLMSKxmYBO/K U6fUN51w89vVulJwEWqpCwTnMM0qPj5qlPQE5gpuBj4pIjbdD+YH0B/FHCGt7m0Wrq8Kld 1OyCealv/vkDquZGzOTbk6lqBBt9JKaZN8Mes7zR1EBFc+4Bu7cyGMZPwQeLKA== From: Herve Codina To: Herve Codina , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Andrew Lunn , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Lee Jones , Linus Walleij , Qiang Zhao , Li Yang , Liam Girdwood , Mark Brown , Jaroslav Kysela , Takashi Iwai , Shengjiu Wang , Xiubo Li , Fabio Estevam , Nicolin Chen , Christophe Leroy , Randy Dunlap Cc: netdev@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org, linux-arm-kernel@lists.infradead.org, alsa-devel@alsa-project.org, Thomas Petazzoni Subject: [PATCH v3 09/28] soc: fsl: cpm1: qmc: Introduce available timeslots masks Date: Wed, 9 Aug 2023 15:27:36 +0200 Message-ID: <20230809132757.2470544-10-herve.codina@bootlin.com> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230809132757.2470544-1-herve.codina@bootlin.com> References: <20230809132757.2470544-1-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-20230809_062827_618342_88A76FFA X-CRM114-Status: GOOD ( 12.72 ) 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 Available timeslots masks define timeslots available for the related channel. These timeslots are defined by the QMC binding. Timeslots used are initialized to available timeslots but can be a subset of available timeslots. This prepares the dynamic timeslots management (ie. changing timeslots at runtime). Signed-off-by: Herve Codina Reviewed-by: Christophe Leroy --- drivers/soc/fsl/qe/qmc.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/soc/fsl/qe/qmc.c b/drivers/soc/fsl/qe/qmc.c index 459e0bbd723d..1bc2af58e829 100644 --- a/drivers/soc/fsl/qe/qmc.c +++ b/drivers/soc/fsl/qe/qmc.c @@ -177,7 +177,9 @@ struct qmc_chan { struct qmc *qmc; void __iomem *s_param; enum qmc_mode mode; + u64 tx_ts_mask_avail; u64 tx_ts_mask; + u64 rx_ts_mask_avail; u64 rx_ts_mask; bool is_reverse_data; @@ -875,7 +877,8 @@ static int qmc_of_parse_chans(struct qmc *qmc, struct device_node *np) of_node_put(chan_np); return ret; } - chan->tx_ts_mask = ts_mask; + chan->tx_ts_mask_avail = ts_mask; + chan->tx_ts_mask = chan->tx_ts_mask_avail; ret = of_property_read_u64(chan_np, "fsl,rx-ts-mask", &ts_mask); if (ret) { @@ -884,7 +887,8 @@ static int qmc_of_parse_chans(struct qmc *qmc, struct device_node *np) of_node_put(chan_np); return ret; } - chan->rx_ts_mask = ts_mask; + chan->rx_ts_mask_avail = ts_mask; + chan->rx_ts_mask = chan->rx_ts_mask_avail; mode = "transparent"; ret = of_property_read_string(chan_np, "fsl,operational-mode", &mode);