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authorAlan Stern <stern@rowland.harvard.edu>2012-09-28 16:01:40 -0400
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-10-22 08:57:43 -0700
commit72675479925f53af051ae8a78bcfafeaa47b3eef (patch)
tree565aa9eda9af359c7a3fcef4c6dd11d532d38b8e /include/linux/usb.h
parent98cae42d82fe9c9e2b5dacdf391edaa007e147e5 (diff)
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EHCI: replace mult/div with bit-mask operation
This patch (as1610) replaces multiplication and divison operations in ehci-hcd's isochronous scheduling code with a bit-mask operation, taking advantage of the fact that isochronous periods are always powers of 2. Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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