linux-kernel - [PATCH V2 0/3] serial: stm32: add earlycon and polling mode

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Message-ID: <20220408122636.505737-1-valentin.caron@foss.st.com>
Date:   Fri, 8 Apr 2022 14:26:33 +0200
From:   Valentin Caron <valentin.caron@...s.st.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jonathan Corbet <corbet@....net>
CC:     Jiri Slaby <jirislaby@...nel.org>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>,
        Erwan Le Ray <erwan.leray@...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>, <linux-doc@...r.kernel.org>
Subject: [PATCH V2 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 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

 .../admin-guide/kernel-parameters.txt         |   6 ++
 drivers/tty/serial/Kconfig                    |   1 +
 drivers/tty/serial/stm32-usart.c              | 100 +++++++++++++++++-
 drivers/tty/serial/stm32-usart.h              |   2 +
 4 files changed, 104 insertions(+), 5 deletions(-)

-- 
2.25.1