linux-kernel - [PATCH v16 06/12] dmaengine: imx-sdma: add mcu_2

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Message-Id: <1626258052-22198-7-git-send-email-yibin.gong@nxp.com>
Date:   Wed, 14 Jul 2021 18:20:46 +0800
From:   Robin Gong <yibin.gong@....com>
To:     vkoul@...nel.org, mark.rutland@....com, broonie@...nel.org,
        robh+dt@...nel.org, catalin.marinas@....com, will.deacon@....com,
        shawnguo@...nel.org, festevam@...il.com, s.hauer@...gutronix.de,
        martin.fuzzey@...wbird.group, u.kleine-koenig@...gutronix.de,
        dan.j.williams@...el.com, matthias.schiffer@...tq-group.com,
        frieder.schrempf@...tron.de, m.felsch@...gutronix.de,
        l.stach@...gutronix.de, xiaoning.wang@....com
Cc:     devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-spi@...r.kernel.org, linux-imx@....com,
        kernel@...gutronix.de, dmaengine@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org
Subject: [PATCH v16 06/12] dmaengine: imx-sdma: add mcu_2_ecspi script

Add mcu_2_ecspi script to fix ecspi errata ERR009165.

Signed-off-by: Robin Gong <yibin.gong@....com>
Reviewed-by: Lucas Stach <l.stach@...gutronix.de>
Acked-by: Vinod Koul <vkoul@...nel.org>
---
 drivers/dma/imx-sdma.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c
index d366198..5969df8 100644
--- a/drivers/dma/imx-sdma.c
+++ b/drivers/dma/imx-sdma.c
@@ -947,6 +947,10 @@ 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;
+		sdmac->is_ram_script = true;
+		break;
 	case IMX_DMATYPE_EXT:
 	case IMX_DMATYPE_SSI:
 	case IMX_DMATYPE_SAI:
-- 
2.7.4