linux-kernel - [PATCH v3 0/2] earlycon: Let users set the clock frequency

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Date:   Thu, 24 Nov 2022 13:39:06 +0100
From:   Ricardo Ribalda <ribalda@...omium.org>
To:     Jonathan Corbet <corbet@....net>,
        Jiri Slaby <jirislaby@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     linux-doc@...r.kernel.org, Ricardo Ribalda <ribalda@...omium.org>,
        linux-kernel@...r.kernel.org, linux-serial@...r.kernel.org
Subject: [PATCH v3 0/2] earlycon: Let users set the clock frequency

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@....net>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: Jiri Slaby <jirislaby@...nel.org>
Cc: linux-doc@...r.kernel.org
Cc: linux-kernel@...r.kernel.org
Cc: linux-serial@...r.kernel.org
Signed-off-by: Ricardo Ribalda <ribalda@...omium.org>

---
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@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: 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@...omium.org>