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Re: [PATCH-for-8.2 v4 00/10] hw/char/pl011: Implement TX (async) FIFO to
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From: |
Peter Maydell |
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Subject: |
Re: [PATCH-for-8.2 v4 00/10] hw/char/pl011: Implement TX (async) FIFO to avoid blocking the main loop |
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Date: |
Mon, 13 Nov 2023 13:11:22 +0000 |
On Thu, 9 Nov 2023 at 20:59, Philippe Mathieu-Daudé <philmd@linaro.org> wrote:
>
> Hi Peter,
>
> On 9/11/23 20:29, Peter Maydell wrote:
> > On Thu, 9 Nov 2023 at 19:28, Philippe Mathieu-Daudé <philmd@linaro.org>
> > wrote:
> >>
> >> Missing review: #10
> >>
> >> Hi,
> >>
> >> This series add support for (async) FIFO on the transmit path
> >> of the PL011 UART.
> >
> > Hi; what's the rationale for the "for-8.2" targeting here?
> > What bug are we fixing?
>
> The bug is on Trusted Substrate when the ZynqMP machine is used:
> https://linaro.atlassian.net/browse/TRS-149?focusedCommentId=149574
And have we confirmed that the async FIFO support fixes that problem?
That bug report seems to have mostly just speculation in it that
maybe this XXX comment is why...
-- PMM