[PATCH v2 0/4] serial: stm32: improve driver for stm32mp25

From: Valentin Caron
Date: Fri Jan 12 2024 - 04:55:56 EST


STM32MP25 got the same serial hardware block as STM32MP1x but with two improvements:
- TX and RX FIFO have been extended to 64 bytes.
- one instance more than in STM32MP1x series.

Since v1:
- Correct include issue reported by kernel test robot:
https://lore.kernel.org/oe-kbuild-all/202401121426.pnTJrQes-lkp@xxxxxxxxx/

Valentin Caron (4):
serial: stm32: implement prescaler tuning to compute low baudrate
serial: stm32: extend max number of U(S)ART to 9
serial: stm32: change register's offset type from u8 to u16
serial: stm32: get FIFO size from hwcfg register

drivers/tty/serial/stm32-usart.c | 223 +++++++++++++++++++------------
drivers/tty/serial/stm32-usart.h | 38 ++++--
2 files changed, 160 insertions(+), 101 deletions(-)

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2.25.1