Messages in this thread Patch in this message | | | From | Paul Cercueil <> | Subject | [PATCH] dmaengine: dma-jz4780: Also break descriptor chains on JZ4725B | Date | Tue, 10 Dec 2019 17:55:45 +0100 |
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It turns out that the JZ4725B displays the same buggy behaviour as the JZ4740 that was described in commit f4c255f1a747 ("dmaengine: dma-jz4780: Break descriptor chains on JZ4740").
Work around it by using the same workaround previously used for the JZ4740.
Fixes commit f4c255f1a747 ("dmaengine: dma-jz4780: Break descriptor chains on JZ4740")
Cc: <stable@vger.kernel.org> Signed-off-by: Paul Cercueil <paul@crapouillou.net> --- drivers/dma/dma-jz4780.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/dma/dma-jz4780.c b/drivers/dma/dma-jz4780.c index fa626acdc9b9..44af435628f8 100644 --- a/drivers/dma/dma-jz4780.c +++ b/drivers/dma/dma-jz4780.c @@ -999,7 +999,8 @@ static const struct jz4780_dma_soc_data jz4740_dma_soc_data = { static const struct jz4780_dma_soc_data jz4725b_dma_soc_data = { .nb_channels = 6, .transfer_ord_max = 5, - .flags = JZ_SOC_DATA_PER_CHAN_PM | JZ_SOC_DATA_NO_DCKES_DCKEC, + .flags = JZ_SOC_DATA_PER_CHAN_PM | JZ_SOC_DATA_NO_DCKES_DCKEC | + JZ_SOC_DATA_BREAK_LINKS, }; static const struct jz4780_dma_soc_data jz4770_dma_soc_data = { -- 2.24.0
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