Jason Wessel 815e173e1d USB: ehci-dbgp: split PID register updates for IN and OUT pipes ... This patch addresses two problems: 1) Bulk reads should always use the DATA0 for the pid, and the write PID should toggle between DATA0 and DATA1. The fix is using dbgp_pid_write_update() and dbgp_pid_read_update(). 2) The delay loop for waiting for a transaction was not long enough to always complete the initial handshake inside dbgp_wait_until_done(). After the initial handshake the maximum delay length is never reached. The combined result of these two changes allows for the removal of the forced resynchronization where a bulk write was issued with a dummy data payload only to get the device to start accepting data writes again. CC: Eric Biederman <ebiederm@xmission.com> CC: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Jason Wessel <jason.wessel@windriver.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>		2010-03-02 14:54:58 -08:00
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ehci-dbgp.c	USB: ehci-dbgp: split PID register updates for IN and OUT pipes	2010-03-02 14:54:58 -08:00
Makefile