> From: Andy Shevchenko [mailto:[email protected]] > Sent: Monday, September 28, 2015 3:06 PM > To: Viresh Kumar <[email protected]> > Cc: yitian <[email protected]>; Viresh Kumar > <[email protected]>; Andy Shevchenko > <[email protected]>; Vinod Koul <[email protected]>; > Dan Williams <[email protected]>; dmaengine > <[email protected]>; Linux Kernel Mailing List > <[email protected]> > Subject: Re: [PATCH 1/1] dmaengine: dw: resolve recursion > > I am not sure if this is a sane way of doing that, and we were scanning > > the descriptors for some valid reason.. > > Actually one of the patches in a pile sitting in my private repo is > also including similar change. In my case the reason is to support > cyclic transfers natively. >
Yes, i am using DW DMAC to support cyclic transfer. Currently it is very easy to get recursion lock crash, but after this patch everything is fine on my device. I am waiting for your further guide. Thanks. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
