tree 72546c92d9438b1cad4dd7b37a3298a0763ff9fa
parent 4a78fd9a736db4c871bc8b583d66b61c38abd299
author Inaky Perez-Gonzalez <inaky@linux.intel.com> 1254972830 +0900
committer Inaky Perez-Gonzalez <inaky@linux.intel.com> 1255935383 +0900

wimax/i2400m: make i2400m->bus_dev_{stop,start}() optional

In coming commits, the i2400m SDIO driver will not use
i2400m->bus_dev_stop().

Thus changed to check before calling, as an empty stub has more
overhead than a call to check if the function pointer is non-NULL.

Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>