*
* This code is based on drivers/scsi/ufs/ufshcd.c
* Copyright (C) 2011-2013 Samsung India Software Operations
- * Copyright (c) 2013-2014, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2013-2016, The Linux Foundation. All rights reserved.
*
* Authors:
* Santosh Yaraganavi <santosh.sy@samsung.com>
cpu_to_le32(lower_32_bits(sg->dma_address));
prd_table[i].upper_addr =
cpu_to_le32(upper_32_bits(sg->dma_address));
+ prd_table[i].reserved = 0;
}
} else {
lrbp->utr_descriptor_ptr->prd_table_length = 0;
/* Transfer request descriptor header fields */
req_desc->header.dword_0 = cpu_to_le32(dword_0);
-
+ /* dword_1 is reserved, hence it is set to 0 */
+ req_desc->header.dword_1 = 0;
/*
* assigning invalid value for command status. Controller
* updates OCS on command completion, with the command
*/
req_desc->header.dword_2 =
cpu_to_le32(OCS_INVALID_COMMAND_STATUS);
+ /* dword_3 is reserved, hence it is set to 0 */
+ req_desc->header.dword_3 = 0;
}
/**
void ufshcd_prepare_utp_scsi_cmd_upiu(struct ufshcd_lrb *lrbp, u32 upiu_flags)
{
struct utp_upiu_req *ucd_req_ptr = lrbp->ucd_req_ptr;
+ unsigned short cdb_len;
/* command descriptor fields */
ucd_req_ptr->header.dword_0 = UPIU_HEADER_DWORD(
ucd_req_ptr->sc.exp_data_transfer_len =
cpu_to_be32(lrbp->cmd->sdb.length);
- memcpy(ucd_req_ptr->sc.cdb, lrbp->cmd->cmnd,
- (min_t(unsigned short, lrbp->cmd->cmd_len, MAX_CDB_SIZE)));
+ cdb_len = min_t(unsigned short, lrbp->cmd->cmd_len, MAX_CDB_SIZE);
+ memset(ucd_req_ptr->sc.cdb, 0, MAX_CDB_SIZE);
+ memcpy(ucd_req_ptr->sc.cdb, lrbp->cmd->cmnd, cdb_len);
+
+ memset(lrbp->ucd_rsp_ptr, 0, sizeof(struct utp_upiu_rsp));
}
/**