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From: | Gerd Hoffmann |
Subject: | [Qemu-devel] Re: [patch 2/3] support for UHCI suspend / remote wake up |
Date: | Wed, 01 Dec 2010 18:12:57 +0100 |
User-agent: | Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.9) Gecko/20100827 Red Hat/3.1.3-1.el6 Thunderbird/3.1.3 |
Hi,
port->ctrl = (port->ctrl& 0x01fb) | (val& ~0x01fb); /* some bits are reset when a '1' is written to them */ port->ctrl&= ~(val& 0x000a); + port->ctrl&= ~(port->ctrl& 0x0040); /* clear port resume detected */
Removing the port resume bit from the readonly mask works better than the clear-on-any-write hack ;)
cheers, Gerd
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