linux-kernel - Re: [PATCH v5 2/2] tty: serial: add driver for the SiFive UART

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Message-ID: <7hpnp0lm4b.fsf@baylibre.com>
Date:   Thu, 02 May 2019 11:58:12 -0700
From:   Kevin Hilman <khilman@...libre.com>
To:     Paul Walmsley <paul.walmsley@...ive.com>,
        linux-kernel@...r.kernel.org, linux-serial@...r.kernel.org,
        linux-riscv@...ts.infradead.org, gregkh@...uxfoundation.org
Cc:     Paul Walmsley <paul.walmsley@...ive.com>,
        Paul Walmsley <paul@...an.com>, Jiri Slaby <jslaby@...e.com>,
        Palmer Dabbelt <palmer@...ive.com>,
        Wesley Terpstra <wesley@...ive.com>,
        Julia Lawall <julia.lawall@...6.fr>,
        Emil Renner Berthing <kernel@...il.dk>,
        Andreas Schwab <schwab@...e.de>
Subject: Re: [PATCH v5 2/2] tty: serial: add driver for the SiFive UART

Paul Walmsley <paul.walmsley@...ive.com> writes:

> Add a serial driver for the SiFive UART, found on SiFive FU540 devices
> (among others).
>
> The underlying serial IP block is relatively basic, and currently does
> not support serial break detection.  Further information on the IP
> block can be found in the documentation and Chisel sources:
>
>     https://static.dev.sifive.com/FU540-C000-v1.0.pdf
>
>     https://github.com/sifive/sifive-blocks/tree/master/src/main/scala/devices/uart
>
> This driver was written in collaboration with Wesley Terpstra
> <wesley@...ive.com>.
>
> Tested on a SiFive HiFive Unleashed A00 board, using BBL and the open-
> source FSBL (using a DT file based on what's targeted for mainline).
>
> This revision incorporates changes based on comments by Julia Lawall
> <julia.lawall@...6.fr>, Emil Renner Berthing <kernel@...il.dk>, and
> Andreas Schwab <schwab@...e.de>.  Thanks also to Andreas for testing
> the driver with his userspace and reporting a bug with the
> set_termios implementation.
>
> Signed-off-by: Paul Walmsley <paul.walmsley@...ive.com>
> Signed-off-by: Paul Walmsley <paul@...an.com>
> Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> Cc: Jiri Slaby <jslaby@...e.com>
> Cc: Palmer Dabbelt <palmer@...ive.com>
> Cc: Wesley Terpstra <wesley@...ive.com>
> Cc: linux-serial@...r.kernel.org
> Cc: linux-riscv@...ts.infradead.org
> Cc: linux-kernel@...r.kernel.org
> Cc: Julia Lawall <julia.lawall@...6.fr>
> Cc: Emil Renner Berthing <kernel@...il.dk>
> Cc: Andreas Schwab <schwab@...e.de>

Tested-by: Kevin Hilman <khilman@...libre.com>