On Fri, Aug 7, 2015 at 6:22 AM, Peter Hurley pe...@hurleysoftware.com wrote:
I agree; this is what we should do first because someone might want it
for backports.
Got an idea how far this can be ported back?
I'm being hampered by severe performance issues on a
beagleboneblack-like device
Hi Sebastian,
On 08/04/2015 07:58 AM, Sebastian Andrzej Siewior wrote:
On 08/03/2015 09:32 PM, Peter Hurley wrote:
You mean a function in 8250-dma API which does what I did just here
with the wait_event() and the wake_up in the callback? That way I could
move the termios_wait into the dma
On 08/06/2015 02:27 PM, Peter Hurley wrote:
Hi Sebastian,
Hi Peter,
On 08/04/2015 07:58 AM, Sebastian Andrzej Siewior wrote:
On 08/03/2015 09:32 PM, Peter Hurley wrote:
You mean a function in 8250-dma API which does what I did just here
with the wait_event() and the wake_up in the
On 08/06/2015 09:59 AM, Sebastian Andrzej Siewior wrote:
On 08/06/2015 02:31 PM, Sebastian Andrzej Siewior wrote:
Hi Peter,
I'll look at/test this this weekend, ok?
Sure. I'm currently re-spinning the patches so have everything in
proper pieces. While at it I will take a look at x_char.
On 08/06/2015 02:31 PM, Sebastian Andrzej Siewior wrote:
Hi Peter,
I'll look at/test this this weekend, ok?
Sure. I'm currently re-spinning the patches so have everything in
proper pieces. While at it I will take a look at x_char.
So now that I actually look at it. If I read this right, we
On 08/03/2015 09:32 PM, Peter Hurley wrote:
You mean a function in 8250-dma API which does what I did just here
with the wait_event() and the wake_up in the callback? That way I could
move the termios_wait into the dma struct instead of keeping in the
omap specific part. I am also not sure if
* Peter Hurley | 2015-07-30 20:51:10 [-0400]:
Hi John,
Hi Peter,
I was never really a fan of the deferred set_termios();
I think it's more appropriate to wait for tx dma to
complete in omap_8250_set_termios().
So you want something like this? This was only compile + boot tested
(without
On 08/03/2015 06:34 PM, Peter Hurley wrote:
Hi Sebastian,
Hi Peter,
struct old_serial_port {
diff --git a/drivers/tty/serial/8250/8250_omap.c
b/drivers/tty/serial/8250/8250_omap.c
index d9a37191a1ae..12249125a218 100644
--- a/drivers/tty/serial/8250/8250_omap.c
+++
[ +cc Heikki ]
Hi Sebastian,
On 08/03/2015 12:09 PM, Sebastian Andrzej Siewior wrote:
* Peter Hurley | 2015-07-30 20:51:10 [-0400]:
Hi John,
Hi Peter,
I was never really a fan of the deferred set_termios();
I think it's more appropriate to wait for tx dma to
complete in
On 08/03/2015 12:54 PM, Sebastian Andrzej Siewior wrote:
On 08/03/2015 06:34 PM, Peter Hurley wrote:
Hi Sebastian,
Hi Peter,
struct old_serial_port {
diff --git a/drivers/tty/serial/8250/8250_omap.c
b/drivers/tty/serial/8250/8250_omap.c
index d9a37191a1ae..12249125a218 100644
---
If DMA is active during a shutdown, a delayed restore of the
registers may be pending. The restore must be performed after
the DMA is stopped, otherwise the delayed restore remains
pending and will fire upon the first DMA TX complete of a
totally different serial session.
Signed-off-by: John
Hi John,
On 07/30/2015 06:54 PM, John Ogness wrote:
If DMA is active during a shutdown, a delayed restore of the
registers may be pending. The restore must be performed after
the DMA is stopped, otherwise the delayed restore remains
pending and will fire upon the first DMA TX complete of a
12 matches
Mail list logo
