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[SCSI] mpt2sas: mpt2sas_base_get_sense_buffer_dma should be returning little endian

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cpu_to_le64 when calculating the physical dma address. This will properly
handle endianess on big endian systems.  The return value of this function
was changed from dma_addr_t to __le64. Remove the typecasting of u32 when
setting the SenseBufferLowAddress, since its already in __le32 format.

Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: Eric Moore <Eric.moore@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
This commit is contained in:
Kashyap, Desai
2009-09-23 17:34:13 +05:30
committed by James Bottomley
parent e4e7c7ed34
commit ec9472c74c
4 changed files with 7 additions and 6 deletions
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drivers/scsi/mpt2sas/mpt2sas_ctl.c
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@ -740,7 +740,7 @@ _ctl_do_mpt_command(struct MPT2SAS_ADAPTER *ioc,
Mpi2SCSIIORequest_t *scsiio_request =
(Mpi2SCSIIORequest_t *)mpi_request;
scsiio_request->SenseBufferLowAddress =
(u32)mpt2sas_base_get_sense_buffer_dma(ioc, smid);
mpt2sas_base_get_sense_buffer_dma(ioc, smid);
priv_sense = mpt2sas_base_get_sense_buffer(ioc, smid);
memset(priv_sense, 0, SCSI_SENSE_BUFFERSIZE);
mpt2sas_base_put_smid_scsi_io(ioc, smid,