Messages in this thread | | | Subject | Re: [RFC RESEND] serial: 8250: fix regression in 8250 uart driver | From | Andy Shevchenko <> | Date | Wed, 17 Aug 2016 14:14:26 +0300 |
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On Sat, 2016-07-02 at 13:53 +0200, Thorsten Leemhuis wrote: > On 14.06.2016 18:00, Andy Shevchenko wrote: > > > > On Tue, 2016-06-14 at 10:27 -0500, dinh.linux@anniebear.net wrote: > > > > > > > > > > > On Mon, 2016-06-13 at 21:59 -0500, Dinh Nguyen wrote: > > > Does this mean that the 8250_dw.c driver can no longer use DMA? > > > > It means that previously the use of DMA engine whatever was used is > > not > > correct in your case. There is no issues in UART driver, the issue > > is in > > DMA controller driver. > > > > I'm working on a quirk that will allow user to enforce PIO mode for > > Rx/Tx or both. In that case if DMA controller can't be fixed you > > still > > might use DMA for Tx. > > What's the status of this issue? Just wondering, as this issue is > listed > in my regression reports for 4.7 and it seems nothing much happened > for > more than a week now – which is a bad sign as the 4.7 release seems > only > a week or two away.
I sent a v2 of the series for internal review, same you may found on [1]. If Heikki is okay to that I'll send it here.
[1] https://bitbucket.org/andy-shev/linux/branch/topic%2Fdw%2Fqrk
-- Andy Shevchenko <andriy.shevchenko@linux.intel.com> Intel Finland Oy
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