mbox series

[v2,0/2] earlycon: Let users set the clock frequency

Message ID 20221123-serial-clk-v2-0-9c03ce8940d8@chromium.org
Headers show
Series earlycon: Let users set the clock frequency | expand

Message

Ricardo Ribalda Nov. 24, 2022, 10:02 a.m. UTC
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@lwn.net>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Jiri Slaby <jirislaby@kernel.org>
Cc: linux-doc@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Cc: linux-serial@vger.kernel.org
Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>

---
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@chromium.org

---
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,