This is a note to let you know that I've just added the patch titled dmaengine: dma-jz4780: Also break descriptor chains on JZ4725B to the 5.4-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: dmaengine-dma-jz4780-also-break-descriptor-chains-on-jz4725b.patch and it can be found in the queue-5.4 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From a40c94be2336f3002563c9ae16572143ae3422e2 Mon Sep 17 00:00:00 2001 From: Paul Cercueil <paul@xxxxxxxxxxxxxxx> Date: Tue, 10 Dec 2019 17:55:45 +0100 Subject: dmaengine: dma-jz4780: Also break descriptor chains on JZ4725B From: Paul Cercueil <paul@xxxxxxxxxxxxxxx> commit a40c94be2336f3002563c9ae16572143ae3422e2 upstream. 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@xxxxxxxxxxxxxxx> Signed-off-by: Paul Cercueil <paul@xxxxxxxxxxxxxxx> Link: https://lore.kernel.org/r/20191210165545.59690-1-paul@xxxxxxxxxxxxxxx Signed-off-by: Vinod Koul <vkoul@xxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/dma/dma-jz4780.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) --- a/drivers/dma/dma-jz4780.c +++ b/drivers/dma/dma-jz4780.c @@ -1004,7 +1004,8 @@ static const struct jz4780_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 = { Patches currently in stable-queue which might be from paul@xxxxxxxxxxxxxxx are queue-5.4/dmaengine-dma-jz4780-also-break-descriptor-chains-on-jz4725b.patch