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From: Greg KH <gregkh@suse.de>
To: "Luiz Fernando N.Capitulino" <lcapitulino@mandriva.com.br>
Cc: rmk@arm.linux.org.uk, linux-kernel@vger.kernel.org,
	linux-usb-devel@lists.sourceforge.net
Subject: Re: [PATCH 8/11] usbserial: pl2303: Ports tty functions.
Date: Fri, 2 Jun 2006 13:50:14 -0700	[thread overview]
Message-ID: <20060602205014.GB31251@suse.de> (raw)
In-Reply-To: <1149217398434-git-send-email-lcapitulino@mandriva.com.br>

On Fri, Jun 02, 2006 at 12:03:14AM -0300, Luiz Fernando N.Capitulino wrote:
>   2. The new pl2303's set_termios() can (still) sleep. Serial Core's
>      documentation says that that method must not sleep, but I couldn't find
>      where in the Serial Core code it's called in atomic context. So, is this
>      still true? Isn't the Serial Core's documentation out of date?

If this is true then we should just stop the port right now, as the USB
devices can not handle this.  They need to be able to sleep to
accomplish this functionality.

Russell, is this a requirement of the serial layer?  Why?

thanks,

greg k-h

  parent reply	other threads:[~2006-06-02 20:52 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <1149217397133-git-send-email-lcapitulino@mandriva.com.br>
2006-06-02  6:48 ` [PATCH RFC 0/11] usbserial: Serial Core port Pete Zaitcev
2006-06-02 10:03   ` David Woodhouse
2006-06-02 13:45     ` Luiz Fernando N. Capitulino
2006-06-02 13:54       ` David Woodhouse
2006-06-02 14:07         ` Luiz Fernando N. Capitulino
2006-06-02 22:47     ` Pete Zaitcev
2006-06-04 23:12       ` Luiz Fernando N. Capitulino
2006-06-04 23:24         ` Pete Zaitcev
2006-06-05 12:14           ` Luiz Fernando N. Capitulino
2006-06-05 12:29             ` David Woodhouse
2006-06-02 13:39   ` Luiz Fernando N. Capitulino
2006-06-02 20:48 ` Greg KH
2006-06-03 22:03   ` Luiz Fernando N. Capitulino
2006-06-06  7:29     ` Greg KH
2006-06-06 13:03       ` Luiz Fernando N. Capitulino
     [not found] ` <1149217398434-git-send-email-lcapitulino@mandriva.com.br>
2006-06-02 20:50   ` Greg KH [this message]
2006-06-02 22:41     ` [PATCH 8/11] usbserial: pl2303: Ports tty functions Pete Zaitcev
2006-06-02 22:44       ` Greg KH
2006-06-03 22:19         ` Luiz Fernando N. Capitulino
2006-06-06  7:34           ` Greg KH
2006-06-06  9:23             ` Alan Cox
2006-06-06 16:15               ` Luiz Fernando N. Capitulino
2006-06-06 13:10             ` Luiz Fernando N. Capitulino
2006-06-06 16:38               ` Greg KH

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