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 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: Replace simple_strtoul with kstrtouint earlycon: Let users set the clock frequency Documentation/admin-guide/kernel-parameters.txt | 12 +++++++----- drivers/tty/serial/earlycon.c | 17 ++++++++++++++--- 2 files changed, 21 insertions(+), 8 deletions(-) --- base-commit: 4312098baf37ee17a8350725e6e0d0e8590252d4 change-id: 20221123-serial-clk-85db701ada57 Best regards, -- Ricardo Ribalda <ribalda@xxxxxxxxxxxx>