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Groups > linux.kernel > #1560419
| From | Vignesh R <vigneshr@ti.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH 0/3] tty: serial: 8250_omap: Enable DMA support |
| Date | 2017-01-17 11:10 +0100 |
| Message-ID | <t0ySe-5M4-15@gated-at.bofh.it> (permalink) |
| References | <sZ55T-6Ta-1@gated-at.bofh.it> <sZeLT-4cm-23@gated-at.bofh.it> <t0v7Y-3oT-19@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Tuesday 17 January 2017 11:36 AM, Vignesh R wrote: > > > On Friday 13 January 2017 11:50 PM, Tony Lindgren wrote: >> * Vignesh R <vigneshr@ti.com> [170113 00:03]: >>> This patch series re enables DMA support for UART 8250_omap driver. >>> >>> Tested on AM335x, AM437x that use EDMA and OMAP5 and DRA74 EVM with >>> SDMA. >> >> Is 8250_omap serial console working for you on omap5 in general? >> >> I've noticed that it's really unresponsive for me as if the FIFO >> interrupt was not working. For example logging in might take several >> attempts and a long time with each character showing up much later >> after some timeout. >> > > Yes, I did face the same issue on omap5 using 8250_omap driver for > console. Looks like this bug has existed all along. > This looks a separate issue, I don't see any errata specific errata wrt UART on OMAP5. I will try to debug further. -- Regards Vignesh
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[PATCH 0/3] tty: serial: 8250_omap: Enable DMA support Vignesh R <vigneshr@ti.com> - 2017-01-13 09:10 +0100
[PATCH 2/3] tty: serial: 8250_omap: Add OMAP_DMA_TX_KICK quirk for AM437x Vignesh R <vigneshr@ti.com> - 2017-01-13 09:10 +0100
[PATCH 1/3] serial: 8250: omap: pause DMA only if DMA transfer in progress Vignesh R <vigneshr@ti.com> - 2017-01-13 09:10 +0100
[PATCH 3/3] tty: serial: 8250_omap: Remove rx_dma_broken flag Vignesh R <vigneshr@ti.com> - 2017-01-13 09:10 +0100
Re: [PATCH 0/3] tty: serial: 8250_omap: Enable DMA support Tony Lindgren <tony@atomide.com> - 2017-01-13 19:30 +0100
Re: [PATCH 0/3] tty: serial: 8250_omap: Enable DMA support Vignesh R <vigneshr@ti.com> - 2017-01-17 07:10 +0100
Re: [PATCH 0/3] tty: serial: 8250_omap: Enable DMA support Vignesh R <vigneshr@ti.com> - 2017-01-17 11:10 +0100
Re: [PATCH 0/3] tty: serial: 8250_omap: Enable DMA support Tony Lindgren <tony@atomide.com> - 2017-01-18 00:40 +0100
Re: [PATCH 0/3] tty: serial: 8250_omap: Enable DMA support Vignesh R <vigneshr@ti.com> - 2017-01-18 14:20 +0100
Re: [PATCH 0/3] tty: serial: 8250_omap: Enable DMA support Tony Lindgren <tony@atomide.com> - 2017-01-18 18:20 +0100
Re: [PATCH 0/3] tty: serial: 8250_omap: Enable DMA support Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-01-19 14:50 +0100
Re: [PATCH 0/3] tty: serial: 8250_omap: Enable DMA support Tony Lindgren <tony@atomide.com> - 2017-01-19 16:00 +0100
Re: [PATCH 0/3] tty: serial: 8250_omap: Enable DMA support Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-01-19 16:40 +0100
Re: [PATCH 0/3] tty: serial: 8250_omap: Enable DMA support Vignesh R <vigneshr@ti.com> - 2017-01-20 09:30 +0100
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