Configure the WriteBooster type to preserve user-space mode.
This would ensure that no user-space capacity is reduced
when write booster is enabled.
Change-Id: I4144531a73ea3b5d5ede76beae45722366b1e75c
Signed-off-by: Asutosh Das <asutoshd@xxxxxxxxxxxxxx>
---
drivers/scsi/ufs/ufs-qcom.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/drivers/scsi/ufs/ufs-qcom.c b/drivers/scsi/ufs/ufs-qcom.c
index 6115ac6..59f3243 100644
--- a/drivers/scsi/ufs/ufs-qcom.c
+++ b/drivers/scsi/ufs/ufs-qcom.c
@@ -1689,6 +1689,12 @@ static void ufs_qcom_device_reset(struct ufs_hba *hba)
usleep_range(10, 15);
}
+static u32 ufs_qcom_wb_get_user_cap_mode(struct ufs_hba *hba)
+{
+ /* QCom prefers no user-space reduction mode */
+ return UFS_WB_BUFF_PRESERVE_USER_SPACE;
+}
+
/**
* struct ufs_hba_qcom_vops - UFS QCOM specific variant operations
*
@@ -1710,6 +1716,7 @@ static const struct ufs_hba_variant_ops ufs_hba_qcom_vops = {
.resume = ufs_qcom_resume,
.dbg_register_dump = ufs_qcom_dump_dbg_regs,
.device_reset = ufs_qcom_device_reset,
+ .wb_get_user_cap_mode = ufs_qcom_wb_get_user_cap_mode,
};
/**
--
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