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[SCSI] megaraid_sas: Set 32-bit DMA mask
authorSumit.Saxena@lsi.com <Sumit.Saxena@lsi.com>
Wed, 12 Feb 2014 18:08:44 +0000 (23:38 +0530)
committerJames Bottomley <JBottomley@Parallels.com>
Sat, 15 Mar 2014 17:19:20 +0000 (10:19 -0700)
commit05188bfe526a23450e7c1f1f1239ac0af41d4f9a
treea03504360b41ead2b3d4315503e4b4d902c4f478tree | snapshot
parent2b2b1c3e77358b9062859666a19b4542a09981b2commit | diff
[SCSI] megaraid_sas: Set 32-bit DMA mask

If consistent DMA mask is set to 64 bit, fall back to 32bit DMA mask and 32bit consistent DMA mask.
64bit consistent DMA mask may be set on some 64bit DMA slot, which causes DMA offset "10000000000000" and
MFI_INIT and IOCTL frames will have high memory addresses, leads to firmware FAULT.

Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: Sumit Saxena <sumit.saxena@lsi.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
drivers/scsi/megaraid/megaraid_sas_base.c diff | blob | history
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