diff options
Diffstat (limited to 'drivers/scsi/ufs/ufs-sysfs.c')
| -rw-r--r-- | drivers/scsi/ufs/ufs-sysfs.c | 28 |
1 files changed, 22 insertions, 6 deletions
diff --git a/drivers/scsi/ufs/ufs-sysfs.c b/drivers/scsi/ufs/ufs-sysfs.c index dbdf8b01abed..92a63eebdca9 100644 --- a/drivers/scsi/ufs/ufs-sysfs.c +++ b/drivers/scsi/ufs/ufs-sysfs.c @@ -210,8 +210,10 @@ static ssize_t ufs_sysfs_read_desc_param(struct ufs_hba *hba, if (param_size > 8) return -EINVAL; + pm_runtime_get_sync(hba->dev); ret = ufshcd_read_desc_param(hba, desc_id, desc_index, param_offset, desc_buf, param_size); + pm_runtime_put_sync(hba->dev); if (ret) return -EINVAL; switch (param_size) { @@ -558,6 +560,7 @@ static ssize_t _name##_show(struct device *dev, \ desc_buf = kzalloc(QUERY_DESC_MAX_SIZE, GFP_ATOMIC); \ if (!desc_buf) \ return -ENOMEM; \ + pm_runtime_get_sync(hba->dev); \ ret = ufshcd_query_descriptor_retry(hba, \ UPIU_QUERY_OPCODE_READ_DESC, QUERY_DESC_IDN_DEVICE, \ 0, 0, desc_buf, &desc_len); \ @@ -574,6 +577,7 @@ static ssize_t _name##_show(struct device *dev, \ goto out; \ ret = snprintf(buf, PAGE_SIZE, "%s\n", desc_buf); \ out: \ + pm_runtime_put_sync(hba->dev); \ kfree(desc_buf); \ return ret; \ } \ @@ -604,9 +608,13 @@ static ssize_t _name##_show(struct device *dev, \ struct device_attribute *attr, char *buf) \ { \ bool flag; \ + int ret; \ struct ufs_hba *hba = dev_get_drvdata(dev); \ - if (ufshcd_query_flag(hba, UPIU_QUERY_OPCODE_READ_FLAG, \ - QUERY_FLAG_IDN##_uname, &flag)) \ + pm_runtime_get_sync(hba->dev); \ + ret = ufshcd_query_flag(hba, UPIU_QUERY_OPCODE_READ_FLAG, \ + QUERY_FLAG_IDN##_uname, &flag); \ + pm_runtime_put_sync(hba->dev); \ + if (ret) \ return -EINVAL; \ return sprintf(buf, "%s\n", flag ? "true" : "false"); \ } \ @@ -644,8 +652,12 @@ static ssize_t _name##_show(struct device *dev, \ { \ struct ufs_hba *hba = dev_get_drvdata(dev); \ u32 value; \ - if (ufshcd_query_attr(hba, UPIU_QUERY_OPCODE_READ_ATTR, \ - QUERY_ATTR_IDN##_uname, 0, 0, &value)) \ + int ret; \ + pm_runtime_get_sync(hba->dev); \ + ret = ufshcd_query_attr(hba, UPIU_QUERY_OPCODE_READ_ATTR, \ + QUERY_ATTR_IDN##_uname, 0, 0, &value); \ + pm_runtime_put_sync(hba->dev); \ + if (ret) \ return -EINVAL; \ return sprintf(buf, "0x%08X\n", value); \ } \ @@ -766,9 +778,13 @@ static ssize_t dyn_cap_needed_attribute_show(struct device *dev, struct scsi_device *sdev = to_scsi_device(dev); struct ufs_hba *hba = shost_priv(sdev->host); u8 lun = ufshcd_scsi_to_upiu_lun(sdev->lun); + int ret; - if (ufshcd_query_attr(hba, UPIU_QUERY_OPCODE_READ_ATTR, - QUERY_ATTR_IDN_DYN_CAP_NEEDED, lun, 0, &value)) + pm_runtime_get_sync(hba->dev); + ret = ufshcd_query_attr(hba, UPIU_QUERY_OPCODE_READ_ATTR, + QUERY_ATTR_IDN_DYN_CAP_NEEDED, lun, 0, &value); + pm_runtime_put_sync(hba->dev); + if (ret) return -EINVAL; return sprintf(buf, "0x%08X\n", value); } |