Blackfin arch: Fix udelay implementation
Blackfin arch: Fix udelay implementation

Avoid possible overflow during 32*32->32 multiplies.

Reported-by: Marco Reppenhagen <bc2d9341ab053c3200d90e37725461a66011ac3a@auerswald.de>
Signed-off-by: Michael Hennerich <38f18d03059a1bc88082b55d7ca2d9b1ebfaffe0@analog.com>
Signed-off-by: Bryan Wu <956b36c0f472d2edb239225c10f7e4411d1efbb9@kernel.org>


TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs