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Date: Thu, 2 Nov 2017 13:13:55 -0400 From: Theodore Ts'o <tytso@....edu> To: Paul Menzel <pmenzel+linux-serial@...gen.mpg.de> Cc: linux-serial@...r.kernel.org, linux-kernel@...r.kernel.org Subject: Re: Is 115200 still the maximum baudrate? 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
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