linux-kernel - [PATCH v5 05/15] dmaengine: imx-sdma: add mcu_2

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Message-Id: <20190610081753.11422-6-yibin.gong@nxp.com>
Date:   Mon, 10 Jun 2019 16:17:43 +0800
From:   yibin.gong@....com
To:     robh+dt@...nel.org, mark.rutland@....com, shawnguo@...nel.org,
        s.hauer@...gutronix.de, kernel@...gutronix.de, broonie@...nel.org,
        festevam@...il.com, vkoul@...nel.org, dan.j.williams@...el.com,
        u.kleine-koenig@...gutronix.de, catalin.marinas@....com,
        l.stach@...gutronix.de, will.deacon@....com
Cc:     linux-spi@...r.kernel.org, linux-imx@....com,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        dmaengine@...r.kernel.org, devicetree@...r.kernel.org
Subject: [PATCH v5 05/15] dmaengine: imx-sdma: add mcu_2_ecspi script

From: Robin Gong <yibin.gong@....com>

Add mcu_2_ecspi script to fix ecspi errata ERR009165.

Signed-off-by: Robin Gong <yibin.gong@....com>
Acked-by: Vinod Koul <vkoul@...nel.org>
---
 drivers/dma/imx-sdma.c                     | 3 +++
 include/linux/platform_data/dma-imx-sdma.h | 1 +
 2 files changed, 4 insertions(+)

diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c
index dbd1dcd..61af656 100644
--- a/drivers/dma/imx-sdma.c
+++ b/drivers/dma/imx-sdma.c
@@ -924,6 +924,9 @@ static void sdma_get_pc(struct sdma_channel *sdmac,
 		emi_2_per = sdma->script_addrs->mcu_2_ata_addr;
 		break;
 	case IMX_DMATYPE_CSPI:
+		per_2_emi = sdma->script_addrs->app_2_mcu_addr;
+		emi_2_per = sdma->script_addrs->mcu_2_ecspi_addr;
+		break;
 	case IMX_DMATYPE_EXT:
 	case IMX_DMATYPE_SSI:
 	case IMX_DMATYPE_SAI:
diff --git a/include/linux/platform_data/dma-imx-sdma.h b/include/linux/platform_data/dma-imx-sdma.h
index 6eaa53c..f794fee 100644
--- a/include/linux/platform_data/dma-imx-sdma.h
+++ b/include/linux/platform_data/dma-imx-sdma.h
@@ -51,6 +51,7 @@ struct sdma_script_start_addrs {
 	/* End of v2 array */
 	s32 zcanfd_2_mcu_addr;
 	s32 zqspi_2_mcu_addr;
+	s32 mcu_2_ecspi_addr;
 	/* End of v3 array */
 };
 
-- 
2.7.4