linux-kernel - Re: [PATCH] usb: check for signals in chaoskey read function

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Message-ID: <1455721173.7626.23.camel@suse.com>
Date:	Wed, 17 Feb 2016 15:59:33 +0100
From:	Oliver Neukum <oneukum@...e.com>
To:	Keith Packard <keithp@...thp.com>
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org
Subject: Re: [PATCH] usb: check for signals in chaoskey read function

On Tue, 2016-02-16 at 11:09 -0800, Keith Packard wrote:
> I could be convinced that the driver should be using a different path
> through the USB stack that would allow a signal to wake up while
> waiting
> for the URB to complete, but this patch at least avoids needing to
> wait
> for a huge read to finish. The other option would be to eliminate the
> loop reading multiple URBs from the device, but that would reduce the
> available bandwidth from the device pretty considerably.

Do these do the job?

	Regards
		Oliver


View attachment "0001-chaoskey-introduce-an-URB-for-asynchronous-reads.patch" of type "text/x-patch" (3549 bytes)

View attachment "0002-chaoskey-use-an-URB-for-requesting-data.patch" of type "text/x-patch" (3775 bytes)