usb: host: xhci: use __ffs() instead of hardcoding shift

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__ffs() can tell us which is the SEGMENT_SHIFT value
to be used. This will prevent problems when users are
too fast and don't pay attention to the need of fixing
the Shift after changing TRBS_PER_SEGMENT.

Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>

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Felipe Balbi 2012-01-27 16:19:15 +02:00 • committed by Sarah Sharp

parent f99298bfa7

commit 8d3709f3dd

1 changed files with 1 additions and 4 deletions

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drivers/usb/host/xhci.h

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