From patchwork Tue Sep 12 10:14:00 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Herve Codina X-Patchwork-Id: 13381327 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 CD22DCA0ECF for ; Tue, 12 Sep 2023 10:14:39 +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=glYYQT8zM+HhvsNfBgZ0EulxiVHBNfEh2oukvqlEdUk=; b=Nrga+zaoRCe1Of twdqH5n8B4qFzWdpTRK3XtmFIAVe4ZNudm1XvrQYXLl9Cq0U8ddSACyfIeQ14n01mlHD+6AXx0hYa DKk2zqdidVF9ivsmNx5pfpgJgTv8i/EBQFVDyYVQGZpb6Yg0dtlz85j5NtC8S1JKBecjWcCyXIidk bE7khFcTo/voRUlJXZSbHRswIPMSRurOsk+GWjdogaP0htdcBb3GPj4XuEoeABjNzuOO5U6PqJek3 A5OFPWEOtfciXNXiUG2jxgOcfUQj2e9sPvkkBr8hhfB7cQoQWI/e2AeFwnHQglh2uSs1+0kgrmHL3 PxConhPCr2+B7Fu2Br7w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qg0PK-002uVr-17; Tue, 12 Sep 2023 10:14:10 +0000 Received: from relay6-d.mail.gandi.net ([217.70.183.198]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qg0PG-002uQv-0e for linux-arm-kernel@lists.infradead.org; Tue, 12 Sep 2023 10:14:07 +0000 Received: by mail.gandi.net (Postfix) with ESMTPA id B38A7C000A; Tue, 12 Sep 2023 10:14:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1694513644; 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=opH6J+ETePvG/sd1eC5uQEUbCi9+ya8D2CeSkH2d/Rs=; b=GLYOgsZOWYtXIAJVbqPQZAjtkSYX2szh7IvmB5bS1O3KnHfJ7ptrh/guC80ukUFC6WHf1S Jfl09VeevWrMSxKTsOo0RRoG6sg9lcVwhViTSIEW68SGSfaCZVodDWkQHccSrtHClYVAhO W1OtSf9TMslRfgceo0VhShd6MlUgK1NdiCZi4cqqWWf/dlI5qLnsXOEVXVeCUjkqpHscde eupX3yO73ULkOl9pW8FF+k5tZzkabRfNdNlPhnVa+BWMHH5dfQ90Z/rvlLYWV1yUSJxZWG F2Iu+yXoEONLP6AyI5Pdnscwg0FtENxWxDfoMN71R+w0dvmR6wCEdGgupDTK7g== 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, Simon Horman , Christophe JAILLET , Thomas Petazzoni Subject: [PATCH v5 19/31] soc: fsl: cpm1: qmc: Introduce is_tsa_64rxtx flag Date: Tue, 12 Sep 2023 12:14:00 +0200 Message-ID: <20230912101400.225653-1-herve.codina@bootlin.com> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230912081527.208499-1-herve.codina@bootlin.com> References: <20230912081527.208499-1-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-20230912_031406_509918_861CFB5E X-CRM114-Status: GOOD ( 15.82 ) 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 In order to support runtime timeslot route changes, some operations will be different according the routing table used (common Rx and Tx table or one table for Rx and one for Tx). The is_tsa_64rxtx flag is introduced to avoid extra computation to determine the table format each time we need it. It is set once at initialization. Signed-off-by: Herve Codina Reviewed-by: Christophe Leroy Signed-off-by: Christophe Leroy --- drivers/soc/fsl/qe/qmc.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/soc/fsl/qe/qmc.c b/drivers/soc/fsl/qe/qmc.c index eeceb81bf107..19acfcded9bc 100644 --- a/drivers/soc/fsl/qe/qmc.c +++ b/drivers/soc/fsl/qe/qmc.c @@ -216,6 +216,7 @@ struct qmc { u16 __iomem *int_curr; dma_addr_t int_dma_addr; size_t int_size; + bool is_tsa_64rxtx; struct list_head chan_head; struct qmc_chan *chans[64]; }; @@ -696,7 +697,7 @@ static int qmc_chan_setup_tsa(struct qmc_chan *chan, bool enable) * Setup one common 64 entries table or two 32 entries (one for Tx * and one for Tx) according to assigned TS numbers. */ - if (info.nb_tx_ts > 32 || info.nb_rx_ts > 32) + if (chan->qmc->is_tsa_64rxtx) return qmc_chan_setup_tsa_64rxtx(chan, &info, enable); ret = qmc_chan_setup_tsa_32rx(chan, &info, enable); @@ -1053,6 +1054,7 @@ static int qmc_init_tsa_64rxtx(struct qmc *qmc, const struct tsa_serial_info *in * Everything was previously checked, Tx and Rx related stuffs are * identical -> Used Rx related stuff to build the table */ + qmc->is_tsa_64rxtx = true; /* Invalidate all entries */ for (i = 0; i < 64; i++) @@ -1081,6 +1083,7 @@ static int qmc_init_tsa_32rx_32tx(struct qmc *qmc, const struct tsa_serial_info * Use a Tx 32 entries table and a Rx 32 entries table. * Everything was previously checked. */ + qmc->is_tsa_64rxtx = false; /* Invalidate all entries */ for (i = 0; i < 32; i++) {