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charset="utf-8" The eDMA hardware issue only exist imx8QM A0. A0 never mass production. So remove the workaround safely. Signed-off-by: Joy Zou Reviewed-by: Frank Li --- Changes for v5: 1.remove FSL_EDMA_DRV_QUIRK_SWAPPED in fsl-edma-common.h Changes for v4: 1.change the subject to keep consistent with the patchset. Changes for v2: 1. Change the subject. --- drivers/dma/fsl-edma-common.c | 16 ++++------------ drivers/dma/fsl-edma-common.h | 2 -- drivers/dma/fsl-edma-main.c | 8 -------- 3 files changed, 4 insertions(+), 22 deletions(-) diff --git a/drivers/dma/fsl-edma-common.c b/drivers/dma/fsl-edma-common.c index f9144b015439..ed93e01282d5 100644 --- a/drivers/dma/fsl-edma-common.c +++ b/drivers/dma/fsl-edma-common.c @@ -75,18 +75,10 @@ static void fsl_edma3_enable_request(struct fsl_edma_ch= an *fsl_chan) =20 flags =3D fsl_edma_drvflags(fsl_chan); val =3D edma_readl_chreg(fsl_chan, ch_sbr); - /* Remote/local swapped wrongly on iMX8 QM Audio edma */ - if (flags & FSL_EDMA_DRV_QUIRK_SWAPPED) { - if (!fsl_chan->is_rxchan) - val |=3D EDMA_V3_CH_SBR_RD; - else - val |=3D EDMA_V3_CH_SBR_WR; - } else { - if (fsl_chan->is_rxchan) - val |=3D EDMA_V3_CH_SBR_RD; - else - val |=3D EDMA_V3_CH_SBR_WR; - } + if (fsl_chan->is_rxchan) + val |=3D EDMA_V3_CH_SBR_RD; + else + val |=3D EDMA_V3_CH_SBR_WR; =20 if (fsl_chan->is_remote) val &=3D ~(EDMA_V3_CH_SBR_RD | EDMA_V3_CH_SBR_WR); diff --git a/drivers/dma/fsl-edma-common.h b/drivers/dma/fsl-edma-common.h index 01157912bfd5..3f93ebb890b3 100644 --- a/drivers/dma/fsl-edma-common.h +++ b/drivers/dma/fsl-edma-common.h @@ -194,8 +194,6 @@ struct fsl_edma_desc { #define FSL_EDMA_DRV_HAS_PD BIT(5) #define FSL_EDMA_DRV_HAS_CHCLK BIT(6) #define FSL_EDMA_DRV_HAS_CHMUX BIT(7) -/* imx8 QM audio edma remote local swapped */ -#define FSL_EDMA_DRV_QUIRK_SWAPPED BIT(8) /* control and status register is in tcd address space, edma3 reg layout */ #define FSL_EDMA_DRV_SPLIT_REG BIT(9) #define FSL_EDMA_DRV_BUS_8BYTE BIT(10) diff --git a/drivers/dma/fsl-edma-main.c b/drivers/dma/fsl-edma-main.c index 755a3dc3b0a7..b06fa147d6ba 100644 --- a/drivers/dma/fsl-edma-main.c +++ b/drivers/dma/fsl-edma-main.c @@ -349,13 +349,6 @@ static struct fsl_edma_drvdata imx8qm_data =3D { .setup_irq =3D fsl_edma3_irq_init, }; =20 -static struct fsl_edma_drvdata imx8qm_audio_data =3D { - .flags =3D FSL_EDMA_DRV_QUIRK_SWAPPED | FSL_EDMA_DRV_HAS_PD | FSL_EDMA_DR= V_EDMA3, - .chreg_space_sz =3D 0x10000, - .chreg_off =3D 0x10000, - .setup_irq =3D fsl_edma3_irq_init, -}; - static struct fsl_edma_drvdata imx8ulp_data =3D { .flags =3D FSL_EDMA_DRV_HAS_CHMUX | FSL_EDMA_DRV_HAS_CHCLK | FSL_EDMA_DRV= _HAS_DMACLK | FSL_EDMA_DRV_EDMA3, @@ -397,7 +390,6 @@ static const struct of_device_id fsl_edma_dt_ids[] =3D { { .compatible =3D "fsl,ls1028a-edma", .data =3D &ls1028a_data}, { .compatible =3D "fsl,imx7ulp-edma", .data =3D &imx7ulp_data}, { .compatible =3D "fsl,imx8qm-edma", .data =3D &imx8qm_data}, - { .compatible =3D "fsl,imx8qm-adma", .data =3D &imx8qm_audio_data}, { .compatible =3D "fsl,imx8ulp-edma", .data =3D &imx8ulp_data}, { .compatible =3D "fsl,imx93-edma3", .data =3D &imx93_data3}, { .compatible =3D "fsl,imx93-edma4", .data =3D &imx93_data4}, --=20 2.37.1 From nobody Sat Jun 15 10:52:51 2024 Received: from EUR05-VI1-obe.outbound.protection.outlook.com (mail-vi1eur05on2060.outbound.protection.outlook.com [40.107.21.60]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6BB15158A1A; 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Received: from AS4PR04MB9386.eurprd04.prod.outlook.com (2603:10a6:20b:4e9::8) by AS4PR04MB9483.eurprd04.prod.outlook.com (2603:10a6:20b:4ec::19) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7472.44; Wed, 24 Apr 2024 06:37:28 +0000 Received: from AS4PR04MB9386.eurprd04.prod.outlook.com ([fe80::4f24:3f44:d5b1:70ba]) by AS4PR04MB9386.eurprd04.prod.outlook.com ([fe80::4f24:3f44:d5b1:70ba%7]) with mapi id 15.20.7472.044; Wed, 24 Apr 2024 06:37:28 +0000 From: Joy Zou To: frank.li@nxp.com, peng.fan@nxp.com, vkoul@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org Cc: imx@lists.linux.dev, dmaengine@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org Subject: [PATCH v5 2/2] dt-bindings: fsl-dma: fsl-edma: clean up unused "fsl,imx8qm-adma" compatible string Date: Wed, 24 Apr 2024 14:45:08 +0800 Message-Id: <20240424064508.1886764-3-joy.zou@nxp.com> X-Mailer: git-send-email 2.37.1 In-Reply-To: <20240424064508.1886764-1-joy.zou@nxp.com> References: <20240424064508.1886764-1-joy.zou@nxp.com> Content-Transfer-Encoding: quoted-printable X-ClientProxiedBy: SG2P153CA0029.APCP153.PROD.OUTLOOK.COM (2603:1096:4:c7::16) To AS4PR04MB9386.eurprd04.prod.outlook.com (2603:10a6:20b:4e9::8) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: AS4PR04MB9386:EE_|AS4PR04MB9483:EE_ X-MS-Office365-Filtering-Correlation-Id: ac651b8e-73da-48f9-03e3-08dc642902de X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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charset="utf-8" The eDMA hardware issue only exist imx8QM A0. A0 never mass production. The compatible string "fsl,imx8qm-adma" is unused. So remove it safely. Signed-off-by: Joy Zou Reviewed-by: Frank Li Reviewed-by: Rob Herring (Arm) --- Changes for v5: 1. modify the commit message. 2. add review tag. Changes for v4: 1. adjust the subject to keep consistent with existing patches. Changes for v3: 1. modify the commit message. 2. remove the unused compatible string "fsl,imx8qm-adma" from allOf propert= y. --- Documentation/devicetree/bindings/dma/fsl,edma.yaml | 2 -- 1 file changed, 2 deletions(-) diff --git a/Documentation/devicetree/bindings/dma/fsl,edma.yaml b/Document= ation/devicetree/bindings/dma/fsl,edma.yaml index 825f4715499e..cf97ea86a7a2 100644 --- a/Documentation/devicetree/bindings/dma/fsl,edma.yaml +++ b/Documentation/devicetree/bindings/dma/fsl,edma.yaml @@ -21,7 +21,6 @@ properties: - enum: - fsl,vf610-edma - fsl,imx7ulp-edma - - fsl,imx8qm-adma - fsl,imx8qm-edma - fsl,imx8ulp-edma - fsl,imx93-edma3 @@ -92,7 +91,6 @@ allOf: compatible: contains: enum: - - fsl,imx8qm-adma - fsl,imx8qm-edma - fsl,imx93-edma3 - fsl,imx93-edma4 --=20 2.37.1