Hello Vinod, This patch set test by Lucas and no any other comment received yet, do you have comments and help to push it on 4.19 stable tree? > -----Original Message----- > From: Robin Gong > Sent: 2018年11月20日 17:09 > To: 'Lucas Stach' <l.stach@xxxxxxxxxxxxxx>; vkoul@xxxxxxxxxx > Cc: dmaengine@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; dl-linux-imx > <linux-imx@xxxxxxx> > Subject: RE: [PATCH v3 0/4] Correct dma pool for imx-sdma > > > > > -----Original Message----- > > From: Lucas Stach <l.stach@xxxxxxxxxxxxxx> > > Sent: 2018年11月12日 23:56 > > To: Robin Gong <yibin.gong@xxxxxxx>; vkoul@xxxxxxxxxx > > Cc: dmaengine@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; > > dl-linux-imx <linux-imx@xxxxxxx> > > Subject: Re: [PATCH v3 0/4] Correct dma pool for imx-sdma > > > > Hi Robin, > > > > Am Dienstag, den 06.11.2018, 03:40 +0000 schrieb Robin Gong: > > > This patch set to correct dma pool used in the commit fe5b85c656bc > > > ("dmaengine: imx-sdma: alloclate bd memory from dma pool") because > > > all bds should be contiguous in memory in multi bds case for sdma, > > > but dma pool can't statify it and cause transfer failure then.Thank > > > Lucas for the making things on the right way. > > > > > > This patch set is v3 based on Lucas's V1/V2, the main refine: > > > --fix the issue I reported in V1 but Lucas workaround it by > > > improper > > > way in V2. > > > --add vchan_synchronize() to kill tasklet in virt-dma internal. > > > --refine name: use sdma_disable_channel_async instead of > > > sdma_disable_channel_with_delay since no delay indeed for > > > device_terminate_all. > > > Please refer to below link for more information: > > > https://emea01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fp > > > at > > > > > > chwork.kernel.org%2Fpatch%2F10601111&data=02%7C01%7Cyibin.gong > > %40n > > > > > > xp.com%7Ce8faea984db24513bca208d648b766fc%7C686ea1d3bc2b4c6fa92cd > > 99c5c > > > > > > 301635%7C0%7C0%7C636776349873940077&sdata=U6y3CMUmMfiIzBc > > Zm7jZmXTf > > > 4JBgOnBEiHhkY6ejzl8%3D&reserved=0 > > > > Thanks for taking care of those. I've tested them on my board and > > things seem to work fine for all my use-cases. > > > > I think those patches should get a CC to stable 4.19. I guess Vinod > > can add this when applying the patchset. > Yes, we'd better fix on 4.19. Hope Vinod could help us. > > > > Regards, > > Lucas