Re: Serial 8250 DMA Broken on OMAP3630

2019-10-10 Thread Adam Ford
On Wed, Oct 9, 2019 at 3:16 PM Tony Lindgren wrote: > > * Adam Ford [191009 19:28]: > > On Wed, Oct 9, 2019 at 12:34 PM Tony Lindgren wrote: > > > From what I recall I tested that DMA on omap3 worked fine with runtime > > > PM for console. Certainly there are issues still remaining though. > > >

Re: Serial 8250 DMA Broken on OMAP3630

2019-10-09 Thread Tony Lindgren
* Adam Ford [191009 19:28]: > On Wed, Oct 9, 2019 at 12:34 PM Tony Lindgren wrote: > > From what I recall I tested that DMA on omap3 worked fine with runtime > > PM for console. Certainly there are issues still remaining though. > > > > If you want to disable dma for a specific port, just delete

Re: Serial 8250 DMA Broken on OMAP3630

2019-10-09 Thread Adam Ford
On Wed, Oct 9, 2019 at 12:34 PM Tony Lindgren wrote: > > * Adam Ford [191009 14:09]: > > On Wed, Oct 9, 2019 at 8:42 AM Vignesh Raghavendra wrote: > > > > > > Hi Adam, > > > > > > On 06/10/19 10:34 PM, Adam Ford wrote: > > > > Has anyone else had any issues using the CONFIG_SERIAL_8250_DMA on th

Re: Serial 8250 DMA Broken on OMAP3630

2019-10-09 Thread Tony Lindgren
* Adam Ford [191009 14:09]: > On Wed, Oct 9, 2019 at 8:42 AM Vignesh Raghavendra wrote: > > > > Hi Adam, > > > > On 06/10/19 10:34 PM, Adam Ford wrote: > > > Has anyone else had any issues using the CONFIG_SERIAL_8250_DMA on the > > > OMAP? > > > > > > I can use the DMA on the legacy, omap-seria

Re: Serial 8250 DMA Broken on OMAP3630

2019-10-09 Thread Adam Ford
On Wed, Oct 9, 2019 at 8:42 AM Vignesh Raghavendra wrote: > > Hi Adam, > > On 06/10/19 10:34 PM, Adam Ford wrote: > > Has anyone else had any issues using the CONFIG_SERIAL_8250_DMA on the OMAP? > > > > I can use the DMA on the legacy, omap-serial driver, but when I enable > > the DMA on the 8250-

Re: Serial 8250 DMA Broken on OMAP3630

2019-10-09 Thread Vignesh Raghavendra
Hi Adam, On 06/10/19 10:34 PM, Adam Ford wrote: > Has anyone else had any issues using the CONFIG_SERIAL_8250_DMA on the OMAP? > > I can use the DMA on the legacy, omap-serial driver, but when I enable > the DMA on the 8250-omap driver, I get missing frames in Bluetooth. > > The older driver see

Re: Serial 8250 DMA Broken on OMAP3630

2019-10-07 Thread Andy Shevchenko
On Sun, Oct 06, 2019 at 12:04:47PM -0500, Adam Ford wrote: I think the best one who may shed a light is bigeasy@ (Cc'ed). > Has anyone else had any issues using the CONFIG_SERIAL_8250_DMA on the OMAP? > > I can use the DMA on the legacy, omap-serial driver, but when I enable > the DMA on the 825

Serial 8250 DMA Broken on OMAP3630

2019-10-06 Thread Adam Ford
Has anyone else had any issues using the CONFIG_SERIAL_8250_DMA on the OMAP? I can use the DMA on the legacy, omap-serial driver, but when I enable the DMA on the 8250-omap driver, I get missing frames in Bluetooth. The older driver seems to have an ISR that seems to address a variety of items co