From: "Theodore Ts'o" <tytso@mit.edu>
To: Paul Menzel <pmenzel+linux-serial@molgen.mpg.de>
Cc: linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: Is 115200 still the maximum baudrate?
Date: Thu, 2 Nov 2017 13:13:55 -0400 [thread overview]
Message-ID: <20171102171355.onz27qoczedq7jpv@thunk.org> (raw)
In-Reply-To: <d712888f-3b91-76c5-b949-407b0c072bcf@molgen.mpg.de>
On Thu, Nov 02, 2017 at 04:42:56PM +0100, Paul Menzel wrote:
>
> The Linux serial console documentation [1] says that 115200 is the maximum
> supported baudrate.
>
> > The maximum baudrate is 115200.
>
> Is that still accurate? If yes, where should I look to support higher
> values?
See the setserial man page and the spd_* options:
spd_hi
Use 57.6kb when the application requests 38.4kb. This parameter
may be specified by a non-privileged user.
spd_vhi
Use 115kb when the application requests 38.4kb. This parameter may
be specified by a non-privileged user.
spd_shi
Use 230kb when the application requests 38.4kb. This parameter may
be specified by a non-privileged user.
spd_warp
Use 460kb when the application requests 38.4kb. This parameter may
be specified by a non-privileged user.
- Ted
next prev parent reply other threads:[~2017-11-02 17:14 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-11-02 15:42 Paul Menzel
2017-11-02 17:13 ` Theodore Ts'o [this message]
2017-11-02 18:44 ` Alan Cox
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