[SCSI] mpt2sas: Fixed Big Indian Issues on 32 bit PPC

This patch addresses many endian issues solved by runing sparse with the
option __CHECK_ENDIAN__ turned on.

Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>

1 files changed, 9 insertions, 15 deletions

diff --git a/drivers/scsi/mpt2sas/mpt2sas_transport.c b/drivers/scsi/mpt2sas/mpt2sas_transport.c
index cb1cdecbe0f8..15c798026217 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_transport.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_transport.c
@@ -299,7 +299,6 @@ _transport_expander_report_manufacture(struct MPT2SAS_ADAPTER *ioc,
 	void *data_out = NULL;
 	dma_addr_t data_out_dma;
 	u32 sz;
-	u64 *sas_address_le;
 	u16 wait_state_count;
 
 	if (ioc->shost_recovery || ioc->pci_error_recovery) {
@@ -372,8 +371,7 @@ _transport_expander_report_manufacture(struct MPT2SAS_ADAPTER *ioc,
 	mpi_request->PhysicalPort = 0xFF;
 	mpi_request->VF_ID = 0; /* TODO */
 	mpi_request->VP_ID = 0;
-	sas_address_le = (u64 *)&mpi_request->SASAddress;
-	*sas_address_le = cpu_to_le64(sas_address);
+	mpi_request->SASAddress = cpu_to_le64(sas_address);
 	mpi_request->RequestDataLength =
 	    cpu_to_le16(sizeof(struct rep_manu_request));
 	psge = &mpi_request->SGL;
@@ -1049,14 +1047,14 @@ struct phy_error_log_reply{
 	u8 function; /* 0x11 */
 	u8 function_result;
 	u8 response_length;
-	u16 expander_change_count;
+	__be16 expander_change_count;
 	u8 reserved_1[3];
 	u8 phy_identifier;
 	u8 reserved_2[2];
-	u32 invalid_dword;
-	u32 running_disparity_error;
-	u32 loss_of_dword_sync;
-	u32 phy_reset_problem;
+	__be32 invalid_dword;
+	__be32 running_disparity_error;
+	__be32 loss_of_dword_sync;
+	__be32 phy_reset_problem;
 };
 
 /**
@@ -1085,7 +1083,6 @@ _transport_get_expander_phy_error_log(struct MPT2SAS_ADAPTER *ioc,
 	void *data_out = NULL;
 	dma_addr_t data_out_dma;
 	u32 sz;
-	u64 *sas_address_le;
 	u16 wait_state_count;
 
 	if (ioc->shost_recovery || ioc->pci_error_recovery) {
@@ -1160,8 +1157,7 @@ _transport_get_expander_phy_error_log(struct MPT2SAS_ADAPTER *ioc,
 	mpi_request->PhysicalPort = 0xFF;
 	mpi_request->VF_ID = 0; /* TODO */
 	mpi_request->VP_ID = 0;
-	sas_address_le = (u64 *)&mpi_request->SASAddress;
-	*sas_address_le = cpu_to_le64(phy->identify.sas_address);
+	mpi_request->SASAddress = cpu_to_le64(phy->identify.sas_address);
 	mpi_request->RequestDataLength =
 	    cpu_to_le16(sizeof(struct phy_error_log_request));
 	psge = &mpi_request->SGL;
@@ -1406,7 +1402,6 @@ _transport_expander_phy_control(struct MPT2SAS_ADAPTER *ioc,
 	void *data_out = NULL;
 	dma_addr_t data_out_dma;
 	u32 sz;
-	u64 *sas_address_le;
 	u16 wait_state_count;
 
 	if (ioc->shost_recovery) {
@@ -1486,8 +1481,7 @@ _transport_expander_phy_control(struct MPT2SAS_ADAPTER *ioc,
 	mpi_request->PhysicalPort = 0xFF;
 	mpi_request->VF_ID = 0; /* TODO */
 	mpi_request->VP_ID = 0;
-	sas_address_le = (u64 *)&mpi_request->SASAddress;
-	*sas_address_le = cpu_to_le64(phy->identify.sas_address);
+	mpi_request->SASAddress = cpu_to_le64(phy->identify.sas_address);
 	mpi_request->RequestDataLength =
 	    cpu_to_le16(sizeof(struct phy_error_log_request));
 	psge = &mpi_request->SGL;
@@ -1914,7 +1908,7 @@ _transport_smp_handler(struct Scsi_Host *shost, struct sas_rphy *rphy,
 	mpi_request->PhysicalPort = 0xFF;
 	mpi_request->VF_ID = 0; /* TODO */
 	mpi_request->VP_ID = 0;
-	*((u64 *)&mpi_request->SASAddress) = (rphy) ?
+	mpi_request->SASAddress = (rphy) ?
 	    cpu_to_le64(rphy->identify.sas_address) :
 	    cpu_to_le64(ioc->sas_hba.sas_address);
 	mpi_request->RequestDataLength = cpu_to_le16(blk_rq_bytes(req) - 4);