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authorAlan Stern <stern@rowland.harvard.edu>2021-05-20 23:21:52 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-06-04 14:52:02 +0300
commit04145a03db9d78469e0817ab3a767c76c0fb0947 (patch)
treed4878810fc3f69be3c982af74c736e8fc431ad3b /tools/perf/scripts/python/export-to-postgresql.py
parent7dc0c55e9f302e7048e040ee4437437bbea1e2cd (diff)
downloadlinux-04145a03db9d78469e0817ab3a767c76c0fb0947.tar.xz
USB: UDC: Implement udc_async_callbacks in dummy-hcd
This patch adds a udc_async_callbacks handler to the dummy-hcd UDC driver, which will prevent a theoretical race during gadget unbinding. The implementation is simple, since dummy-hcd already has a flag to keep track of whether emulated IRQs are enabled. All the handler has to do is store the enable value in the flag, and avoid setting the flag prematurely. Acked-by: Felipe Balbi <balbi@kernel.org> Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Link: https://lore.kernel.org/r/20210520202152.GD1216852@rowland.harvard.edu Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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