From: Bean Huo <[email protected]> d_wb_alloc_units only be used while WB probe, just used to confirm the condition that "if bWriteBoosterBufferType is set to 01h but dNumSharedWriteBoosterBufferAllocUnits is set to zero, the WriteBooster feature is disabled". So, don't need to keep it in runtime.
Signed-off-by: Bean Huo <[email protected]> --- drivers/scsi/ufs/ufs.h | 1 - drivers/scsi/ufs/ufshcd.c | 6 ++---- 2 files changed, 2 insertions(+), 5 deletions(-) diff --git a/drivers/scsi/ufs/ufs.h b/drivers/scsi/ufs/ufs.h index 45bebca29fdd..8ed342e43883 100644 --- a/drivers/scsi/ufs/ufs.h +++ b/drivers/scsi/ufs/ufs.h @@ -544,7 +544,6 @@ struct ufs_dev_info { bool wb_buf_flush_enabled; u8 wb_dedicated_lu; u8 b_wb_buffer_type; - u32 d_wb_alloc_units; bool b_rpm_dev_flush_capable; u8 b_presrv_uspc_en; diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c index 528c257df48c..0998e6103cd7 100644 --- a/drivers/scsi/ufs/ufshcd.c +++ b/drivers/scsi/ufs/ufshcd.c @@ -7243,10 +7243,8 @@ static void ufshcd_wb_probe(struct ufs_hba *hba, u8 *desc_buf) desc_buf[DEVICE_DESC_PARAM_WB_PRESRV_USRSPC_EN]; if (dev_info->b_wb_buffer_type == WB_BUF_MODE_SHARED) { - dev_info->d_wb_alloc_units = - get_unaligned_be32(desc_buf + - DEVICE_DESC_PARAM_WB_SHARED_ALLOC_UNITS); - if (!dev_info->d_wb_alloc_units) + if (!get_unaligned_be32(desc_buf + + DEVICE_DESC_PARAM_WB_SHARED_ALLOC_UNITS)) goto wb_disabled; } else { for (lun = 0; lun < UFS_UPIU_MAX_WB_LUN_ID; lun++) { -- 2.17.1
