diff mbox series

scsi: pm8001: convert sysfs snprintf to sysfs_emit

Message ID 20221115112851.1271409-1-zhangxuezhi3@gmail.com (mailing list archive)
State New, archived
Headers show
Series scsi: pm8001: convert sysfs snprintf to sysfs_emit | expand

Commit Message

Xuezhi Zhang Nov. 15, 2022, 11:28 a.m. UTC 
From: Xuezhi Zhang <zhangxuezhi1@coolpad.com>

Follow the advice of the Documentation/filesystems/sysfs.rst
and show() should only use sysfs_emit() or sysfs_emit_at()
when formatting the value to be returned to user space.

Signed-off-by: Xuezhi Zhang <zhangxuezhi1@coolpad.com>
---
 drivers/scsi/pm8001/pm8001_ctl.c | 38 +++++++++++++++-----------------
 1 file changed, 18 insertions(+), 20 deletions(-)
diff mbox series

Patch

diff --git a/drivers/scsi/pm8001/pm8001_ctl.c b/drivers/scsi/pm8001/pm8001_ctl.c
index 73f036bed128..3a08ece321a8 100644
--- a/drivers/scsi/pm8001/pm8001_ctl.c
+++ b/drivers/scsi/pm8001/pm8001_ctl.c
@@ -61,10 +61,10 @@  static ssize_t pm8001_ctl_mpi_interface_rev_show(struct device *cdev,
 	struct pm8001_hba_info *pm8001_ha = sha->lldd_ha;
 
 	if (pm8001_ha->chip_id == chip_8001) {
-		return snprintf(buf, PAGE_SIZE, "%d\n",
+		return sysfs_emit(buf, "%d\n",
 			pm8001_ha->main_cfg_tbl.pm8001_tbl.interface_rev);
 	} else {
-		return snprintf(buf, PAGE_SIZE, "%d\n",
+		return sysfs_emit(buf, "%d\n",
 			pm8001_ha->main_cfg_tbl.pm80xx_tbl.interface_rev);
 	}
 }
@@ -86,8 +86,7 @@  static ssize_t controller_fatal_error_show(struct device *cdev,
 	struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost);
 	struct pm8001_hba_info *pm8001_ha = sha->lldd_ha;
 
-	return snprintf(buf, PAGE_SIZE, "%d\n",
-			pm8001_ha->controller_fatal_error);
+	return sysfs_emit(buf, "%d\n", pm8001_ha->controller_fatal_error);
 }
 static DEVICE_ATTR_RO(controller_fatal_error);
 
@@ -107,13 +106,13 @@  static ssize_t pm8001_ctl_fw_version_show(struct device *cdev,
 	struct pm8001_hba_info *pm8001_ha = sha->lldd_ha;
 
 	if (pm8001_ha->chip_id == chip_8001) {
-		return snprintf(buf, PAGE_SIZE, "%02x.%02x.%02x.%02x\n",
+		return sysfs_emit(buf, "%02x.%02x.%02x.%02x\n",
 		(u8)(pm8001_ha->main_cfg_tbl.pm8001_tbl.firmware_rev >> 24),
 		(u8)(pm8001_ha->main_cfg_tbl.pm8001_tbl.firmware_rev >> 16),
 		(u8)(pm8001_ha->main_cfg_tbl.pm8001_tbl.firmware_rev >> 8),
 		(u8)(pm8001_ha->main_cfg_tbl.pm8001_tbl.firmware_rev));
 	} else {
-		return snprintf(buf, PAGE_SIZE, "%02x.%02x.%02x.%02x\n",
+		return sysfs_emit(buf, "%02x.%02x.%02x.%02x\n",
 		(u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.firmware_rev >> 24),
 		(u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.firmware_rev >> 16),
 		(u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.firmware_rev >> 8),
@@ -138,7 +137,7 @@  static ssize_t pm8001_ctl_ila_version_show(struct device *cdev,
 	struct pm8001_hba_info *pm8001_ha = sha->lldd_ha;
 
 	if (pm8001_ha->chip_id != chip_8001) {
-		return snprintf(buf, PAGE_SIZE, "%02x.%02x.%02x.%02x\n",
+		return sysfs_emit(buf, "%02x.%02x.%02x.%02x\n",
 		(u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.ila_version >> 24),
 		(u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.ila_version >> 16),
 		(u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.ila_version >> 8),
@@ -164,7 +163,7 @@  static ssize_t pm8001_ctl_inactive_fw_version_show(struct device *cdev,
 	struct pm8001_hba_info *pm8001_ha = sha->lldd_ha;
 
 	if (pm8001_ha->chip_id != chip_8001) {
-		return snprintf(buf, PAGE_SIZE, "%02x.%02x.%02x.%02x\n",
+		return sysfs_emit(buf, "%02x.%02x.%02x.%02x\n",
 		(u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.inc_fw_version >> 24),
 		(u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.inc_fw_version >> 16),
 		(u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.inc_fw_version >> 8),
@@ -191,10 +190,10 @@  static ssize_t pm8001_ctl_max_out_io_show(struct device *cdev,
 	struct pm8001_hba_info *pm8001_ha = sha->lldd_ha;
 
 	if (pm8001_ha->chip_id == chip_8001) {
-		return snprintf(buf, PAGE_SIZE, "%d\n",
+		return sysfs_emit(buf, "%d\n",
 			pm8001_ha->main_cfg_tbl.pm8001_tbl.max_out_io);
 	} else {
-		return snprintf(buf, PAGE_SIZE, "%d\n",
+		return sysfs_emit(buf, "%d\n",
 			pm8001_ha->main_cfg_tbl.pm80xx_tbl.max_out_io);
 	}
 }
@@ -215,11 +214,11 @@  static ssize_t pm8001_ctl_max_devices_show(struct device *cdev,
 	struct pm8001_hba_info *pm8001_ha = sha->lldd_ha;
 
 	if (pm8001_ha->chip_id == chip_8001) {
-		return snprintf(buf, PAGE_SIZE, "%04d\n",
+		return sysfs_emit(buf, "%04d\n",
 			(u16)(pm8001_ha->main_cfg_tbl.pm8001_tbl.max_sgl >> 16)
 			);
 	} else {
-		return snprintf(buf, PAGE_SIZE, "%04d\n",
+		return sysfs_emit(buf, "%04d\n",
 			(u16)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.max_sgl >> 16)
 			);
 	}
@@ -242,11 +241,11 @@  static ssize_t pm8001_ctl_max_sg_list_show(struct device *cdev,
 	struct pm8001_hba_info *pm8001_ha = sha->lldd_ha;
 
 	if (pm8001_ha->chip_id == chip_8001) {
-		return snprintf(buf, PAGE_SIZE, "%04d\n",
+		return sysfs_emit(buf, "%04d\n",
 			pm8001_ha->main_cfg_tbl.pm8001_tbl.max_sgl & 0x0000FFFF
 			);
 	} else {
-		return snprintf(buf, PAGE_SIZE, "%04d\n",
+		return sysfs_emit(buf, "%04d\n",
 			pm8001_ha->main_cfg_tbl.pm80xx_tbl.max_sgl & 0x0000FFFF
 			);
 	}
@@ -315,7 +314,7 @@  static ssize_t pm8001_ctl_host_sas_address_show(struct device *cdev,
 	struct Scsi_Host *shost = class_to_shost(cdev);
 	struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost);
 	struct pm8001_hba_info *pm8001_ha = sha->lldd_ha;
-	return snprintf(buf, PAGE_SIZE, "0x%016llx\n",
+	return sysfs_emit(buf, "0x%016llx\n",
 			be64_to_cpu(*(__be64 *)pm8001_ha->sas_addr));
 }
 static DEVICE_ATTR(host_sas_address, S_IRUGO,
@@ -336,7 +335,7 @@  static ssize_t pm8001_ctl_logging_level_show(struct device *cdev,
 	struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost);
 	struct pm8001_hba_info *pm8001_ha = sha->lldd_ha;
 
-	return snprintf(buf, PAGE_SIZE, "%08xh\n", pm8001_ha->logging_level);
+	return sysfs_emit(buf, "%08xh\n", pm8001_ha->logging_level);
 }
 
 static ssize_t pm8001_ctl_logging_level_store(struct device *cdev,
@@ -517,7 +516,7 @@  static ssize_t event_log_size_show(struct device *cdev,
 	struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost);
 	struct pm8001_hba_info *pm8001_ha = sha->lldd_ha;
 
-	return snprintf(buf, PAGE_SIZE, "%d\n",
+	return sysfs_emit(buf, "%d\n",
 		pm8001_ha->main_cfg_tbl.pm80xx_tbl.event_log_size);
 }
 static DEVICE_ATTR_RO(event_log_size);
@@ -604,8 +603,7 @@  static ssize_t non_fatal_count_show(struct device *cdev,
 	struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost);
 	struct pm8001_hba_info *pm8001_ha = sha->lldd_ha;
 
-	return snprintf(buf, PAGE_SIZE, "%08x",
-			pm8001_ha->non_fatal_count);
+	return sysfs_emit(buf, "%08x\n", pm8001_ha->non_fatal_count);
 }
 
 static ssize_t non_fatal_count_store(struct device *cdev,
@@ -884,7 +882,7 @@  static ssize_t pm8001_show_update_fw(struct device *cdev,
 	if (pm8001_ha->fw_status != FLASH_IN_PROGRESS)
 		pm8001_ha->fw_status = FLASH_OK;
 
-	return snprintf(buf, PAGE_SIZE, "status=%x %s\n",
+	return sysfs_emit(buf, "status=%x %s\n",
 			flash_error_table[i].err_code,
 			flash_error_table[i].reason);
 }