linux-kernel - [PATCH] dmaengine: ti: k3-udma: Disable memcopy via MCU NAVSS on am654

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Message-ID: <20200327144228.11101-1-peter.ujfalusi@ti.com>
Date:   Fri, 27 Mar 2020 16:42:28 +0200
From:   Peter Ujfalusi <peter.ujfalusi@...com>
To:     <vkoul@...nel.org>
CC:     <dmaengine@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <dan.j.williams@...el.com>
Subject: [PATCH] dmaengine: ti: k3-udma: Disable memcopy via MCU NAVSS on am654

Trace of a test for DMA memcpy domains slipped into the glue layer commit.
The memcpy support should be disabled on the MCU UDMAP.

Fixes: d702419134133 ("dmaengine: ti: k3-udma: Add glue layer for non DMAengine users")
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@...com>
---
 drivers/dma/ti/k3-udma.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/dma/ti/k3-udma.c b/drivers/dma/ti/k3-udma.c
index a9c0251adf1a..fa53234d8f09 100644
--- a/drivers/dma/ti/k3-udma.c
+++ b/drivers/dma/ti/k3-udma.c
@@ -3187,7 +3187,7 @@ static struct udma_match_data am654_main_data = {
 
 static struct udma_match_data am654_mcu_data = {
 	.psil_base = 0x6000,
-	.enable_memcpy_support = true, /* TEST: DMA domains */
+	.enable_memcpy_support = false,
 	.statictr_z_mask = GENMASK(11, 0),
 	.rchan_oes_offset = 0x2000,
 	.tpl_levels = 2,
-- 
Peter

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