[PATCH v3] use cpu_to_le{16,32} instead of __constant_cpu_to_*

From: Rene Rebe
Date: Fri Sep 04 2020 - 13:24:29 EST

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Joe Perches <joe@xxxxxxxxxxx> wrote:

> > - __constant_cpu_to_le16(NOTIFY_ACK_FLAGS_TERMINATE);
> > + cpu_to_le16(NOTIFY_ACK_FLAGS_TERMINATE);
>
> trivia: this now fits on a single line.

> > Whether __constant_cpu_to_le16() is used or cpu_to_le16(), the compiler
> > generates exactly the same code. The name of the cpu_to_le16() function however
> > is shorter. I recommend cpu_to_le16() because of its shorter name and because
> > that's what other kernel drivers use.

As per recommendation, convert a few remaining __constant_cpu_to_le{16,32}
instances in the qla2xxx, qla4xxx and cifs to just cpu_to_le{16,32}.

The later was apparently left over in f5307104e757 ("cifs: don't use
__constant_cpu_to_le32()").

Signed-off-by: René Rebe <rene@xxxxxxxxxxxx>

diff --git a/drivers/scsi/qla2xxx/qla_target.c b/drivers/scsi/qla2xxx/qla_target.c
index fbb80a043b4f..3de6bf94ccc0 100644
--- a/drivers/scsi/qla2xxx/qla_target.c
+++ b/drivers/scsi/qla2xxx/qla_target.c
@@ -3583,7 +3583,7 @@ static int __qlt_send_term_imm_notif(struct scsi_qla_host *vha,

/* terminate */
nack->u.isp24.flags |=
- __constant_cpu_to_le16(NOTIFY_ACK_FLAGS_TERMINATE);
+ cpu_to_le16(NOTIFY_ACK_FLAGS_TERMINATE);

nack->u.isp24.srr_rx_id = ntfy->u.isp24.srr_rx_id;
nack->u.isp24.status = ntfy->u.isp24.status;
diff --git a/drivers/scsi/qla2xxx/qla_tmpl.c b/drivers/scsi/qla2xxx/qla_tmpl.c
index 8dc82cfd38b2..f83b2f5fb490 100644
--- a/drivers/scsi/qla2xxx/qla_tmpl.c
+++ b/drivers/scsi/qla2xxx/qla_tmpl.c
@@ -912,7 +912,7 @@ qla27xx_driver_info(struct qla27xx_fwdt_template *tmp)
tmp->driver_info[0] = cpu_to_le32(
v[3] << 24 | v[2] << 16 | v[1] << 8 | v[0]);
tmp->driver_info[1] = cpu_to_le32(v[5] << 8 | v[4]);
- tmp->driver_info[2] = __constant_cpu_to_le32(0x12345678);
+ tmp->driver_info[2] = cpu_to_le32(0x12345678);
}

static void
diff --git a/drivers/scsi/qla4xxx/ql4_init.c b/drivers/scsi/qla4xxx/ql4_init.c
index 4a7ef971a387..cc4cd54eb7a8 100644
--- a/drivers/scsi/qla4xxx/ql4_init.c
+++ b/drivers/scsi/qla4xxx/ql4_init.c
@@ -120,8 +120,8 @@ int qla4xxx_init_rings(struct scsi_qla_host *ha)
* the interrupt_handler to think there are responses to be
* processed when there aren't.
*/
- ha->shadow_regs->req_q_out = __constant_cpu_to_le32(0);
- ha->shadow_regs->rsp_q_in = __constant_cpu_to_le32(0);
+ ha->shadow_regs->req_q_out = cpu_to_le32(0);
+ ha->shadow_regs->rsp_q_in = cpu_to_le32(0);
wmb();

writel(0, &ha->reg->req_q_in);
diff --git a/drivers/scsi/qla4xxx/ql4_iocb.c b/drivers/scsi/qla4xxx/ql4_iocb.c
index a8df2d7eb069..dd25f917b5e6 100644
--- a/drivers/scsi/qla4xxx/ql4_iocb.c
+++ b/drivers/scsi/qla4xxx/ql4_iocb.c
@@ -161,7 +161,7 @@ static void qla4xxx_build_scsi_iocbs(struct srb *srb,

if (!scsi_bufflen(cmd) || cmd->sc_data_direction == DMA_NONE) {
/* No data being transferred */
- cmd_entry->ttlByteCnt = __constant_cpu_to_le32(0);
+ cmd_entry->ttlByteCnt = cpu_to_le32(0);
return;
}

diff --git a/drivers/scsi/qla4xxx/ql4_mbx.c b/drivers/scsi/qla4xxx/ql4_mbx.c
index bc8de7d402d5..02396da2acd4 100644
--- a/drivers/scsi/qla4xxx/ql4_mbx.c
+++ b/drivers/scsi/qla4xxx/ql4_mbx.c
@@ -646,8 +646,8 @@ int qla4xxx_initialize_fw_cb(struct scsi_qla_host * ha)
/* Fill in the request and response queue information. */
init_fw_cb->rqq_consumer_idx = cpu_to_le16(ha->request_out);
init_fw_cb->compq_producer_idx = cpu_to_le16(ha->response_in);
- init_fw_cb->rqq_len = __constant_cpu_to_le16(REQUEST_QUEUE_DEPTH);
- init_fw_cb->compq_len = __constant_cpu_to_le16(RESPONSE_QUEUE_DEPTH);
+ init_fw_cb->rqq_len = cpu_to_le16(REQUEST_QUEUE_DEPTH);
+ init_fw_cb->compq_len = cpu_to_le16(RESPONSE_QUEUE_DEPTH);
init_fw_cb->rqq_addr_lo = cpu_to_le32(LSDW(ha->request_dma));
init_fw_cb->rqq_addr_hi = cpu_to_le32(MSDW(ha->request_dma));
init_fw_cb->compq_addr_lo = cpu_to_le32(LSDW(ha->response_dma));
@@ -657,20 +657,20 @@ int qla4xxx_initialize_fw_cb(struct scsi_qla_host * ha)

/* Set up required options. */
init_fw_cb->fw_options |=
- __constant_cpu_to_le16(FWOPT_SESSION_MODE |
+ cpu_to_le16(FWOPT_SESSION_MODE |
FWOPT_INITIATOR_MODE);

if (is_qla80XX(ha))
init_fw_cb->fw_options |=
- __constant_cpu_to_le16(FWOPT_ENABLE_CRBDB);
+ cpu_to_le16(FWOPT_ENABLE_CRBDB);

- init_fw_cb->fw_options &= __constant_cpu_to_le16(~FWOPT_TARGET_MODE);
+ init_fw_cb->fw_options &= cpu_to_le16(~FWOPT_TARGET_MODE);

init_fw_cb->add_fw_options = 0;
init_fw_cb->add_fw_options |=
- __constant_cpu_to_le16(ADFWOPT_SERIALIZE_TASK_MGMT);
+ cpu_to_le16(ADFWOPT_SERIALIZE_TASK_MGMT);
init_fw_cb->add_fw_options |=
- __constant_cpu_to_le16(ADFWOPT_AUTOCONN_DISABLE);
+ cpu_to_le16(ADFWOPT_AUTOCONN_DISABLE);

if (qla4xxx_set_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb_dma)
!= QLA_SUCCESS) {
@@ -1614,7 +1614,7 @@ int qla4xxx_get_chap(struct scsi_qla_host *ha, char *username, char *password,

strlcpy(password, chap_table->secret, QL4_CHAP_MAX_SECRET_LEN);
strlcpy(username, chap_table->name, QL4_CHAP_MAX_NAME_LEN);
- chap_table->cookie = __constant_cpu_to_le16(CHAP_VALID_COOKIE);
+ chap_table->cookie = cpu_to_le16(CHAP_VALID_COOKIE);

exit_get_chap:
dma_pool_free(ha->chap_dma_pool, chap_table, chap_dma);
@@ -1656,7 +1656,7 @@ int qla4xxx_set_chap(struct scsi_qla_host *ha, char *username, char *password,
chap_table->secret_len = strlen(password);
strncpy(chap_table->secret, password, MAX_CHAP_SECRET_LEN - 1);
strncpy(chap_table->name, username, MAX_CHAP_NAME_LEN - 1);
- chap_table->cookie = __constant_cpu_to_le16(CHAP_VALID_COOKIE);
+ chap_table->cookie = cpu_to_le16(CHAP_VALID_COOKIE);

if (is_qla40XX(ha)) {
chap_size = MAX_CHAP_ENTRIES_40XX * sizeof(*chap_table);
@@ -1722,7 +1722,7 @@ int qla4xxx_get_uni_chap_at_index(struct scsi_qla_host *ha, char *username,

mutex_lock(&ha->chap_sem);
chap_table = (struct ql4_chap_table *)ha->chap_list + chap_index;
- if (chap_table->cookie != __constant_cpu_to_le16(CHAP_VALID_COOKIE)) {
+ if (chap_table->cookie != cpu_to_le16(CHAP_VALID_COOKIE)) {
rval = QLA_ERROR;
goto exit_unlock_uni_chap;
}
@@ -1785,7 +1785,7 @@ int qla4xxx_get_chap_index(struct scsi_qla_host *ha, char *username,
for (i = 0; i < max_chap_entries; i++) {
chap_table = (struct ql4_chap_table *)ha->chap_list + i;
if (chap_table->cookie !=
- __constant_cpu_to_le16(CHAP_VALID_COOKIE)) {
+ cpu_to_le16(CHAP_VALID_COOKIE)) {
if (i > MAX_RESRV_CHAP_IDX && free_index == -1)
free_index = i;
continue;
@@ -2106,18 +2106,18 @@ int qla4xxx_set_param_ddbentry(struct scsi_qla_host *ha,

if (conn->max_recv_dlength)
fw_ddb_entry->iscsi_max_rcv_data_seg_len =
- __constant_cpu_to_le16((conn->max_recv_dlength / BYTE_UNITS));
+ cpu_to_le16((conn->max_recv_dlength / BYTE_UNITS));

if (sess->max_r2t)
fw_ddb_entry->iscsi_max_outsnd_r2t = cpu_to_le16(sess->max_r2t);

if (sess->first_burst)
fw_ddb_entry->iscsi_first_burst_len =
- __constant_cpu_to_le16((sess->first_burst / BYTE_UNITS));
+ cpu_to_le16((sess->first_burst / BYTE_UNITS));

if (sess->max_burst)
fw_ddb_entry->iscsi_max_burst_len =
- __constant_cpu_to_le16((sess->max_burst / BYTE_UNITS));
+ cpu_to_le16((sess->max_burst / BYTE_UNITS));

if (sess->time2wait)
fw_ddb_entry->iscsi_def_time2wait =
diff --git a/drivers/scsi/qla4xxx/ql4_nx.c b/drivers/scsi/qla4xxx/ql4_nx.c
index 038e19b1e3c2..484f5093ff71 100644
--- a/drivers/scsi/qla4xxx/ql4_nx.c
+++ b/drivers/scsi/qla4xxx/ql4_nx.c
@@ -3678,7 +3678,7 @@ qla4_82xx_read_flash_data(struct scsi_qla_host *ha, uint32_t *dwptr,
"Do ROM fast read failed\n");
goto done_read;
}
- dwptr[i] = __constant_cpu_to_le32(val);
+ dwptr[i] = cpu_to_le32(val);
}

done_read:
@@ -3741,9 +3741,9 @@ qla4_8xxx_get_flt_info(struct scsi_qla_host *ha, uint32_t flt_addr)
goto no_flash_data;
}

- if (*wptr == __constant_cpu_to_le16(0xffff))
+ if (*wptr == cpu_to_le16(0xffff))
goto no_flash_data;
- if (flt->version != __constant_cpu_to_le16(1)) {
+ if (flt->version != cpu_to_le16(1)) {
DEBUG2(ql4_printk(KERN_INFO, ha, "Unsupported FLT detected: "
"version=0x%x length=0x%x checksum=0x%x.\n",
le16_to_cpu(flt->version), le16_to_cpu(flt->length),
@@ -3846,7 +3846,7 @@ qla4_82xx_get_fdt_info(struct scsi_qla_host *ha)
qla4_82xx_read_optrom_data(ha, (uint8_t *)ha->request_ring,
hw->flt_region_fdt << 2, OPTROM_BURST_SIZE);

- if (*wptr == __constant_cpu_to_le16(0xffff))
+ if (*wptr == cpu_to_le16(0xffff))
goto no_flash_data;

if (fdt->sig[0] != 'Q' || fdt->sig[1] != 'L' || fdt->sig[2] != 'I' ||
@@ -3903,7 +3903,7 @@ qla4_82xx_get_idc_param(struct scsi_qla_host *ha)
qla4_82xx_read_optrom_data(ha, (uint8_t *)ha->request_ring,
QLA82XX_IDC_PARAM_ADDR , 8);

- if (*wptr == __constant_cpu_to_le32(0xffffffff)) {
+ if (*wptr == cpu_to_le32(0xffffffff)) {
ha->nx_dev_init_timeout = ROM_DEV_INIT_TIMEOUT;
ha->nx_reset_timeout = ROM_DRV_RESET_ACK_TIMEOUT;
} else {
diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c
index bab87e47b238..40463b7046c0 100644
--- a/drivers/scsi/qla4xxx/ql4_os.c
+++ b/drivers/scsi/qla4xxx/ql4_os.c
@@ -703,8 +703,7 @@ static int qla4xxx_get_chap_by_index(struct scsi_qla_host *ha,
}

*chap_entry = (struct ql4_chap_table *)ha->chap_list + chap_index;
- if ((*chap_entry)->cookie !=
- __constant_cpu_to_le16(CHAP_VALID_COOKIE)) {
+ if ((*chap_entry)->cookie != cpu_to_le16(CHAP_VALID_COOKIE)) {
rval = QLA_ERROR;
*chap_entry = NULL;
} else {
@@ -747,8 +746,7 @@ static int qla4xxx_find_free_chap_index(struct scsi_qla_host *ha,
for (i = 0; i < max_chap_entries; i++) {
chap_table = (struct ql4_chap_table *)ha->chap_list + i;

- if ((chap_table->cookie !=
- __constant_cpu_to_le16(CHAP_VALID_COOKIE)) &&
+ if ((chap_table->cookie != cpu_to_le16(CHAP_VALID_COOKIE)) &&
(i > MAX_RESRV_CHAP_IDX)) {
free_index = i;
break;
@@ -796,8 +794,7 @@ static int qla4xxx_get_chap_list(struct Scsi_Host *shost, uint16_t chap_tbl_idx,
mutex_lock(&ha->chap_sem);
for (i = chap_tbl_idx; i < max_chap_entries; i++) {
chap_table = (struct ql4_chap_table *)ha->chap_list + i;
- if (chap_table->cookie !=
- __constant_cpu_to_le16(CHAP_VALID_COOKIE))
+ if (chap_table->cookie != cpu_to_le16(CHAP_VALID_COOKIE))
continue;

chap_rec->chap_tbl_idx = i;
@@ -928,7 +925,7 @@ static int qla4xxx_delete_chap(struct Scsi_Host *shost, uint16_t chap_tbl_idx)
goto exit_delete_chap;
}

- chap_table->cookie = __constant_cpu_to_le16(0xFFFF);
+ chap_table->cookie = cpu_to_le16(0xFFFF);

offset = FLASH_CHAP_OFFSET |
(chap_tbl_idx * sizeof(struct ql4_chap_table));
@@ -6050,7 +6047,7 @@ static int qla4xxx_get_bidi_chap(struct scsi_qla_host *ha, char *username,
for (i = 0; i < max_chap_entries; i++) {
chap_table = (struct ql4_chap_table *)ha->chap_list + i;
if (chap_table->cookie !=
- __constant_cpu_to_le16(CHAP_VALID_COOKIE)) {
+ cpu_to_le16(CHAP_VALID_COOKIE)) {
continue;
}

diff --git a/fs/cifs/smb2status.h b/fs/cifs/smb2status.h
index 7505056e9580..3d5ef02f1416 100644
--- a/fs/cifs/smb2status.h
+++ b/fs/cifs/smb2status.h
@@ -29,7 +29,7 @@
* C is set if "customer defined" error, N bit is reserved and MBZ
*/

-#define STATUS_SEVERITY_SUCCESS __constant_cpu_to_le32(0x0000)
+#define STATUS_SEVERITY_SUCCESS cpu_to_le32(0x0000)
#define STATUS_SEVERITY_INFORMATIONAL cpu_to_le32(0x0001)
#define STATUS_SEVERITY_WARNING cpu_to_le32(0x0002)
#define STATUS_SEVERITY_ERROR cpu_to_le32(0x0003)

--
René Rebe, ExactCODE GmbH, Lietzenburger Str. 42, DE-10789 Berlin
https://exactcode.com | https://t2sde.org | https://rene.rebe.de

Next message: Lad, Prabhakar: "Re: [PATCH 2/4] ARM: dts: r8a7742-iwg21d-q7: Add SPI NOR support"
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