xhci: Use ilog2() rather than __ffs() for calculating SEGMENT_SHIFT

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Use ilog2() rather than __ffs() for calculating SEGMENT_SHIFT as ilog2() can
be worked out at compile time, whereas __ffs() must be calculated at runtime.

Signed-off-by: David Howells <dhowells@redhat.com>
cc: Sarah Sharp <sarah.a.sharp@linux.intel.com>
cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
cc: linux-usb@vger.kernel.org
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>

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David Howells 2013-03-28 18:48:28 +00:00 • committed by Sarah Sharp

parent 505bdbc79d

commit 6a5d6943fe

1 changed files with 1 additions and 1 deletions

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drivers/usb/host/xhci.h

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