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H A Dmyrs.cdiff d592dd64006f8026e2639e81b9705b20824b73fc Fri Oct 19 01:50:56 CEST 2018 James Bottomley <James.Bottomley@HansenPartnership.com> scsi: myrs: fix build failure on 32 bit

For 32 bit versions we have to be careful about divisions of 64 bit
quantities so use do_div() instead of a direct division. This fixes a
warning about _uldivmod being undefined in certain configurations

Fixes: 77266186397c ("scsi: myrs: Add Mylex RAID controller")
Reported-by: kbuild test robot <lkp@intel.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Tested-by: Randy Dunlap <rdunlap@infradead.org> # build-tested
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>