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[0/2] serial: sc16is7xx: fix registers accesses and Tx FIFO corruption

Message ID 20240723125302.1305372-1-hugo@hugovil.com
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Series serial: sc16is7xx: fix registers accesses and Tx FIFO corruption | expand

Message

Hugo Villeneuve July 23, 2024, 12:52 p.m. UTC 
From: Hugo Villeneuve <hvilleneuve@dimonoff.com>

Hello,
this patch series fixes enhanced/special register set accesses and Tx
FIFO corruption.

I have tested the changes on a custom board with two SC16IS752 DUART over
a SPI interface using a Variscite IMX8MN NANO SOM. The four UARTs are
configured in RS-485 mode.

Thank you.

Hugo Villeneuve (2):
  serial: sc16is7xx: fix TX fifo corruption
  serial: sc16is7xx: fix invalid FIFO access with special register set

 drivers/tty/serial/sc16is7xx.c | 25 +++++++++++++++----------
 1 file changed, 15 insertions(+), 10 deletions(-)


base-commit: 933069701c1b507825b514317d4edd5d3fd9d417