USB: octeon2-common: Don't reinitialize the clocks.

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The UCTL clock initialization will cause the ehci and ohci blocks to
become inoperable if the clocks are reinitialized.

Check to see if the clocks have already been initialized.

Also use a mutex to protect the clock initialization code so that
there can be no attempt to use the clocks before they are fully
configured.

Signed-off-by: David Daney <ddaney@caviumnetworks.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

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This commit is contained in:

David Daney 2011-04-27 10:54:20 -07:00 • committed by Greg Kroah-Hartman

parent dbc265465a

commit f5ced99725

1 changed files with 24 additions and 14 deletions

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38

drivers/usb/host/octeon2-common.c

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