Re: [PATCH 00/16 v9] omap 8250 based uart + DMA

From: Sebastian Andrzej Siewior
Date: Mon Sep 15 2014 - 07:51:07 EST


On 09/13/2014 12:43 AM, Tony Lindgren wrote:
> * Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx> [140910 12:30]:
>> the diff of v8âv9 is small:
>> - rebased on top's of Greg's tty-next branch
>> - fixed #10 where we might have THRE interrupt enabled for longer than
>> needed
>> - re-did register setup in #10. Before this "less file" could freeze the
>> am335x-evm.
>
> FYI, looks like merging in your uart_v9 branch for testing
> with my hwmod changes now fails to produce RX characters on omap3.
>
> The device wakes up just fine to the wake-up interrupt, and then
> serial8250_handle_irq() gets called, but I'm not seeing anything
> in the console getting printed out. It's like all the RX characters
> are getting lost instead of just the first one. The RX characters
> work fine when the system is running.
>
> So it seems there's been some kind of regression since v8?

I changed the restore function the fix the am335x-evm + less "freeze".
And now we have this. So let me searchâ

> Regards,
>
> Tony
>

Sebastian
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