RE: [EXT] Re: [PATCH 0/4] Fix UART DMA freezes for iMX6

2019-09-16 Thread Andy Duan
From: Philipp Puschmann Sent: Monday, September 16, 2019 9:55 PM > Hi Fabio, > > Am 12.09.19 um 20:23 schrieb Fabio Estevam: > > Hi Philipp, > > > > Thanks for submitting these fixes. > > > > On Wed, Sep 11, 2019 at 11:50 AM Philipp Puschmann > > wrote: > >> > >> For some years and since many k

Re: [PATCH 0/4] Fix UART DMA freezes for iMX6

2019-09-16 Thread Fabio Estevam
Hi Philipp, On Mon, Sep 16, 2019 at 10:55 AM Philipp Puschmann wrote: > Thanks for the hints. I will apply them if the contentual feedback is > positive. > > p.s. Did you forget to add Andy? I don't see a Andy in the to- and cc-list. Andy's e-mail is fugang.d...@nxp.com, which I added on Cc.

Re: [PATCH 0/4] Fix UART DMA freezes for iMX6

2019-09-16 Thread Philipp Puschmann
Hi Fabio, Am 12.09.19 um 20:23 schrieb Fabio Estevam: > Hi Philipp, > > Thanks for submitting these fixes. > > On Wed, Sep 11, 2019 at 11:50 AM Philipp Puschmann > wrote: >> >> For some years and since many kernel versions there are reports that >> RX UART DMA channel stops working at one point

Re: [PATCH 0/4] Fix UART DMA freezes for iMX6

2019-09-16 Thread Philipp Puschmann
Am 16.09.19 um 10:02 schrieb Robin Gong: > On 2019/9/11 Philipp Puschmann wrote: >> For some years and since many kernel versions there are reports that RX >> UART DMA channel stops working at one point. So far the usual workaround >> was to disable RX DMA. This patches try to fix the underlying p

RE: [PATCH 0/4] Fix UART DMA freezes for iMX6

2019-09-16 Thread Robin Gong
On 2019/9/11 Philipp Puschmann wrote: > For some years and since many kernel versions there are reports that RX > UART DMA channel stops working at one point. So far the usual workaround > was to disable RX DMA. This patches try to fix the underlying problem. > > When a running sdma script does n

Re: [PATCH 0/4] Fix UART DMA freezes for iMX6

2019-09-12 Thread Fabio Estevam
Hi Philipp, Thanks for submitting these fixes. On Wed, Sep 11, 2019 at 11:50 AM Philipp Puschmann wrote: > > For some years and since many kernel versions there are reports that > RX UART DMA channel stops working at one point. So far the usual workaround > was > to disable RX DMA. This patches

Re: [PATCH 0/4] Fix UART DMA freezes for iMX6

2019-09-12 Thread Fabio Estevam
[Adding Robin and Andy] On Wed, Sep 11, 2019 at 11:50 AM Philipp Puschmann wrote: > > For some years and since many kernel versions there are reports that > RX UART DMA channel stops working at one point. So far the usual workaround > was > to disable RX DMA. This patches try to fix the underlyi