Some platforms, namely AMD Picasso, use non standard uart clocks (48M),
witch makes it impossible to use with earlycon.
Let the user select its own frequency.
To: Jonathan Corbet <corbet@xxxxxxx>
To: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
To: Jiri Slaby <jirislaby@xxxxxxxxxx>
Cc: linux-doc@xxxxxxxxxxxxxxx
Cc: linux-kernel@xxxxxxxxxxxxxxx
Cc: linux-serial@xxxxxxxxxxxxxxx
Signed-off-by: Ricardo Ribalda <ribalda@xxxxxxxxxxxx>
---
Changes in v3:
- Revert patch to use kstrtouint for baudrate
- Parse the number not the ,number (Thanks Jiri :) )
- Add optional patch to increase the options size
- Link to v2: https://lore.kernel.org/r/20221123-serial-clk-v2-0-9c03ce8940d8@xxxxxxxxxxxx
Changes in v2:
- Add a patch to fix handling of baudrate
- Use kstrtouint instead of simple_strtoul
- Link to v1: https://lore.kernel.org/r/20221123-serial-clk-v1-0-1f0554a46ad1@xxxxxxxxxxxx
---
Ricardo Ribalda (2):
earlycon: Let users set the clock frequency
earlycon: Increase options size
Documentation/admin-guide/kernel-parameters.txt | 12 +++++++-----
drivers/tty/serial/earlycon.c | 9 ++++++++-
include/linux/serial_core.h | 2 +-
3 files changed, 16 insertions(+), 7 deletions(-)
---
base-commit: 4312098baf37ee17a8350725e6e0d0e8590252d4
change-id: 20221123-serial-clk-85db701ada57
Best regards,
--
Ricardo Ribalda <ribalda@xxxxxxxxxxxx>
