usb: Drop usb_disable_asynch()
There are no users of usb_control_msg() in the codebase that pass
timeout of 0, so it doesn't look like usb_disable_asynch() has any
effect on USB operation. Drop that function and remove all of its uses
to simplify things.

Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
1 parent 14726fa commit 9bb76f450fb773d87c6fef1cab4549046093f3dd
@Andrey Smirnov Andrey Smirnov authored on 7 Mar 2019
Sascha Hauer committed on 11 Mar 2019
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drivers/usb/core/usb.c
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drivers/usb/storage/usb.c
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include/usb/usb.h