linux-kernel - [PATCH v4 13/28] soc: fsl: cpm1: qmc: Check available timeslots in qmc_check

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Message-ID: <c8da00bdb9c53b4c5d4978beb52bb714d893917c.1692376361.git.christophe.leroy@csgroup.eu>
Date:   Fri, 18 Aug 2023 18:39:07 +0200
From:   Christophe Leroy <christophe.leroy@...roup.eu>
To:     Herve Codina <herve.codina@...tlin.com>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>, Andrew Lunn <andrew@...n.ch>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>, Lee Jones <lee@...nel.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        Qiang Zhao <qiang.zhao@....com>, Li Yang <leoyang.li@....com>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>,
        Shengjiu Wang <shengjiu.wang@...il.com>,
        Xiubo Li <Xiubo.Lee@...il.com>,
        Fabio Estevam <festevam@...il.com>,
        Nicolin Chen <nicoleotsuka@...il.com>,
        Christophe Leroy <christophe.leroy@...roup.eu>,
        Randy Dunlap <rdunlap@...radead.org>
Cc:     netdev@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-gpio@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        alsa-devel@...a-project.org,
        Thomas Petazzoni <thomas.petazzoni@...tlin.com>
Subject: [PATCH v4 13/28] soc: fsl: cpm1: qmc: Check available timeslots in qmc_check_chans()

From: Herve Codina <herve.codina@...tlin.com>

The timeslots checked in qmc_check_chans() are the timeslots used.
With the introduction of the available timeslots, the used timeslots
are a subset of the available timeslots. The timeslots checked during
the qmc_check_chans() call should be the available ones.

Simply update and check the available timeslots instead of the used
timeslots in qmc_check_chans().

Signed-off-by: Herve Codina <herve.codina@...tlin.com>
Reviewed-by: Christophe Leroy <christophe.leroy@...roup.eu>
Signed-off-by: Christophe Leroy <christophe.leroy@...roup.eu>
---
 drivers/soc/fsl/qe/qmc.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/soc/fsl/qe/qmc.c b/drivers/soc/fsl/qe/qmc.c
index 2416408bb7e7..07fa3c265858 100644
--- a/drivers/soc/fsl/qe/qmc.c
+++ b/drivers/soc/fsl/qe/qmc.c
@@ -914,13 +914,13 @@ static int qmc_check_chans(struct qmc *qmc)
 	rx_ts_assigned_mask = info.nb_rx_ts == 64 ? U64_MAX : (((u64)1) << info.nb_rx_ts) - 1;
 
 	list_for_each_entry(chan, &qmc->chan_head, list) {
-		if (chan->tx_ts_mask > tx_ts_assigned_mask) {
-			dev_err(qmc->dev, "chan %u uses TSA unassigned Tx TS\n", chan->id);
+		if (chan->tx_ts_mask_avail > tx_ts_assigned_mask) {
+			dev_err(qmc->dev, "chan %u can use TSA unassigned Tx TS\n", chan->id);
 			return -EINVAL;
 		}
 
-		if (chan->rx_ts_mask > rx_ts_assigned_mask) {
-			dev_err(qmc->dev, "chan %u uses TSA unassigned Rx TS\n", chan->id);
+		if (chan->rx_ts_mask_avail > rx_ts_assigned_mask) {
+			dev_err(qmc->dev, "chan %u can use TSA unassigned Rx TS\n", chan->id);
 			return -EINVAL;
 		}
 	}
-- 
2.41.0