linux-kernel - [PATCH V3 0/3] serial: stm32: add earlycon and polling mode

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Date:   Tue, 19 Apr 2022 10:53:27 +0200
From:   Valentin Caron <valentin.caron@...s.st.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
CC:     Geert Uytterhoeven <geert@...ux-m68k.org>,
        Jiri Slaby <jirislaby@...nel.org>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>,
        Valentin Caron <valentin.caron@...s.st.com>,
        <linux-serial@...r.kernel.org>,
        <linux-stm32@...md-mailman.stormreply.com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>
Subject: [PATCH V3 0/3] serial: stm32: add earlycon and polling mode

- Add support of early console and polling mode in stm32-usart driver.
- Avoid a possible infinite loop in putchar function.

Changes since v2:
- Do not add "stm32" parameter in kernel-parameters.txt 

Changes since v1:
- Fix warning "unused variable 'ret'"

Valentin Caron (3):
  serial: stm32: remove infinite loop possibility in putchar function
  serial: stm32: add KGDB support
  serial: stm32: add earlycon support

 drivers/tty/serial/Kconfig       |   1 +
 drivers/tty/serial/stm32-usart.c | 100 +++++++++++++++++++++++++++++--
 drivers/tty/serial/stm32-usart.h |   2 +
 3 files changed, 98 insertions(+), 5 deletions(-)

-- 
2.25.1