Thread (12 messages) 12 messages, 3 authors, 2022-03-24

[PATCH v2 0/2] serial: 8250: Fixes for Oxford Semiconductor 950 UARTs

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STALE1683d SUPERSEDED · 1 of 2 landed

From: Maciej W. Rozycki <macro@orcam.me.uk>
Date: 2021-06-26 04:11:32
Also in: lkml
Subsystem: the rest · Maintainer: Linus Torvalds

Status: Superseded by v5 (posted 2022-04-18), 1 of 2 landed. [go to v5]

Revision v2 (5 revisions archived).

Revisions (5)
  1. v1
  2. v2 current [diff against previous]
  3. v3 [diff against previous] re-posted go to this post re-posted go to this post re-posted go to this post
  4. v4 [diff against previous]
  5. v5 [diff against previous]
Hi,

 Here's v2 of the outstanding fixes for Oxford Semiconductor 950 UARTs, 
comprising an chip-specific clock handling implementation for accurate 
baud rate selection including higher baud rates and FIFO rx trigger level 
configuration.

 NB I have since had an opportunity to check what transceiver chips have 
been used with the option card I have been experimenting with, and they've 
turned out to be the Zywyn ZT3243F, specified for up to 1Mbps, so no 
surprise they eventually gave up as the rates I have tried increased, and 
quite interesting it was only at 4Mbps that they did it.

 Please apply.

  Maciej
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