From: "H. Peter Anvin" <hpa@zytor.com>
To: linux-kernel@vger.kernel.org
Subject: Re: TCSBRK(1) on pl2303 USB/serial returns prematurely
Date: Mon, 12 Jun 2006 10:19:29 -0700 (PDT) [thread overview]
Message-ID: <e6k7n1$h4c$1@terminus.zytor.com> (raw)
In-Reply-To: 20060612145750.GA19338@kestrel.barix.local
Followup to: <20060612145750.GA19338@kestrel.barix.local>
By author: Karel Kulhavy <clock@twibright.com>
In newsgroup: linux.dev.kernel
>
> Hello
>
> TCSBRK(1) ioctl system call on pl2303 USB/serial converter on 2.6.16.19
> returns prematurely. Additional 53ms delay is necessary to work this
> around at speed of 57600. TCSBRK(1) is translation of the tcdrain()
> function by glibc. With ordinary serial port the TCSBRK(1) seems to work
> correctly.
>
Not only that, but pl2303 doesn't seem to be able to receive a break
properly, either.
-hpa
next prev parent reply other threads:[~2006-06-12 17:19 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-06-12 14:57 TCSBRK(1) on pl2303 USB/serial returns prematurely Karel Kulhavy
2006-06-12 17:19 ` H. Peter Anvin [this message]
2006-06-13 16:25 ` Luiz Fernando N. Capitulino
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