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ubports_kernel_google_msm/drivers/usb/class
Havard Skinnemoen 99823f457d usb: cdc-acm: Kill ACM_READY() macro completely
The ACM_READY() macro doesn't seem to do anything useful, and it may
prevent tty_wait_until_sent() from working properly when called from
close.

Previously, acm_tty_chars_in_buffer() returned 0 whenever
acm->port.count was 0. This means close() could return before all the
data has actually been written.

Signed-off-by: Havard Skinnemoen <hskinnemoen@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-12-09 19:33:48 -08:00
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