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scsi: ufs: core: Convert UPIU_HEADER_DWORD() into a function

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This change reduces the number of parentheses that are required in the
definition of this function and also when using this function.

Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Link: https://lore.kernel.org/r/20230706215054.4113469-1-bvanassche@acm.org
Reviewed-by: Avri Altman <avri.altman@wdc.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Bart Van Assche 2023-07-06 14:50:24 -07:00 committed by Martin K. Petersen
parent 30a5b62e1c
commit aa2db9d44a
3 changed files with 12 additions and 11 deletions
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13
drivers/ufs/core/ufshcd.c
View file

@ -2637,10 +2637,10 @@ void ufshcd_prepare_utp_scsi_cmd_upiu(struct ufshcd_lrb *lrbp, u8 upiu_flags)
unsigned short cdb_len;
/* command descriptor fields */
ucd_req_ptr->header.dword_0 = UPIU_HEADER_DWORD(
ucd_req_ptr->header.dword_0 = upiu_header_dword(
UPIU_TRANSACTION_COMMAND, upiu_flags,
lrbp->lun, lrbp->task_tag);
ucd_req_ptr->header.dword_1 = UPIU_HEADER_DWORD(
ucd_req_ptr->header.dword_1 = upiu_header_dword(
UPIU_COMMAND_SET_TYPE_SCSI, 0, 0, 0);
/* Total EHS length and Data segment length will be zero */
@ -2669,16 +2669,16 @@ static void ufshcd_prepare_utp_query_req_upiu(struct ufs_hba *hba,
u16 len = be16_to_cpu(query->request.upiu_req.length);
/* Query request header */
ucd_req_ptr->header.dword_0 = UPIU_HEADER_DWORD(
ucd_req_ptr->header.dword_0 = upiu_header_dword(
UPIU_TRANSACTION_QUERY_REQ, upiu_flags,
lrbp->lun, lrbp->task_tag);
ucd_req_ptr->header.dword_1 = UPIU_HEADER_DWORD(
ucd_req_ptr->header.dword_1 = upiu_header_dword(
0, query->request.query_func, 0, 0);
/* Data segment length only need for WRITE_DESC */
if (query->request.upiu_req.opcode == UPIU_QUERY_OPCODE_WRITE_DESC)
ucd_req_ptr->header.dword_2 =
UPIU_HEADER_DWORD(0, 0, (len >> 8), (u8)len);
upiu_header_dword(0, 0, len >> 8, (u8)len);
else
ucd_req_ptr->header.dword_2 = 0;
@ -2700,8 +2700,7 @@ static inline void ufshcd_prepare_utp_nop_upiu(struct ufshcd_lrb *lrbp)
memset(ucd_req_ptr, 0, sizeof(struct utp_upiu_req));
/* command descriptor fields */
ucd_req_ptr->header.dword_0 =
UPIU_HEADER_DWORD(
ucd_req_ptr->header.dword_0 = upiu_header_dword(
UPIU_TRANSACTION_NOP_OUT, 0, 0, lrbp->task_tag);
/* clear rest of the fields of basic header */
ucd_req_ptr->header.dword_1 = 0;

2
drivers/ufs/core/ufshpb.c
View file

@ -121,7 +121,7 @@ static bool ufshpb_is_hpb_rsp_valid(struct ufs_hba *hba,
{
/* Check HPB_UPDATE_ALERT */
if (!(lrbp->ucd_rsp_ptr->header.dword_2 &
UPIU_HEADER_DWORD(0, 2, 0, 0)))
upiu_header_dword(0, 2, 0, 0)))
return false;
if (be16_to_cpu(rsp_field->sense_data_len) != DEV_SENSE_SEG_LEN ||

8
include/ufs/ufs.h
View file

@ -23,9 +23,11 @@
(sizeof(struct utp_upiu_header)))
#define UFS_SENSE_SIZE 18
#define UPIU_HEADER_DWORD(byte3, byte2, byte1, byte0)\
cpu_to_be32((byte3 << 24) | (byte2 << 16) |\
(byte1 << 8) | (byte0))
static inline __be32 upiu_header_dword(u8 byte3, u8 byte2, u8 byte1, u8 byte0)
{
return cpu_to_be32(byte3 << 24 | byte2 << 16 | byte1 << 8 | byte0);
}
/*
* UFS device may have standard LUs and LUN id could be from 0x00 to
* 0x7F. Standard LUs use "Peripheral Device Addressing Format".