From nobody Wed Dec 17 09:12:41 2025 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6112BC10F04 for ; Tue, 5 Dec 2023 15:22:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1442473AbjLEPW2 (ORCPT ); Tue, 5 Dec 2023 10:22:28 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50172 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1442431AbjLEPV4 (ORCPT ); Tue, 5 Dec 2023 10:21:56 -0500 Received: from relay2-d.mail.gandi.net (relay2-d.mail.gandi.net [IPv6:2001:4b98:dc4:8::222]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A8E6BD6F for ; Tue, 5 Dec 2023 07:21:41 -0800 (PST) Received: by mail.gandi.net (Postfix) with ESMTPA id 34AB34001F; Tue, 5 Dec 2023 15:21:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1701789700; 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=DSfFIo0PTo+iFIfEoPmWha/vh5mQYCTVDevXwJNb2wI=; b=mCnGrQ06qMroufrsKXriV266bj5yqAb/KYTe8dE5jT5weO/LnHKF+FRUWCYL9KbeEffvS4 /OqaUtEeiQ7h+c4u3Y3sGTnpWy5wIz3ml7NCm0fmeeMqdiFEXof9uoN2P6kmhVOGqMyU6l 7n7nddoMkrYboCcUS9hW8CReJtttap9vxtY3rnPBHmyZVcDIXwKP5ejYfA2GwOAowGyOkj Fsl9IYu0/qHjyJ/x5LXrIAqWYAOBlqsiI6vVsmUgMpX8N3h9cJCurlLwcJHRwix6pC21Lw mqETpKcFXVgbjK4GA3LJiIlQavDjq7vKMfl4JVl6aTF/sVP7kVDmm5ExXqL1pA== From: Herve Codina To: Herve Codina , Qiang Zhao , Li Yang , Jakub Kicinski , Shengjiu Wang , Xiubo Li , Fabio Estevam , Nicolin Chen , Liam Girdwood , Mark Brown , Jaroslav Kysela , Takashi Iwai , Christophe Leroy Cc: Arnd Bergmann , linuxppc-dev@lists.ozlabs.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, alsa-devel@alsa-project.org, Thomas Petazzoni Subject: [PATCH v2 14/17] soc: fsl: cpm1: qmc: Introduce is_tsa_64rxtx flag Date: Tue, 5 Dec 2023 16:21:11 +0100 Message-ID: <20231205152116.122512-15-herve.codina@bootlin.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20231205152116.122512-1-herve.codina@bootlin.com> References: <20231205152116.122512-1-herve.codina@bootlin.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-GND-Sasl: herve.codina@bootlin.com Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" 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 --- 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 5ca4120779f8..e651b3bba1ca 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, bo= ol 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); =20 ret =3D 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 =3D true; =20 /* Invalidate all entries */ for (i =3D 0; i < 64; i++) @@ -1081,6 +1083,7 @@ static int qmc_init_tsa_32rx_32tx(struct qmc *qmc, co= nst struct tsa_serial_info * Use a Tx 32 entries table and a Rx 32 entries table. * Everything was previously checked. */ + qmc->is_tsa_64rxtx =3D false; =20 /* Invalidate all entries */ for (i =3D 0; i < 32; i++) { --=20 2.43.0