diff mbox series

[<RFC,v2>,2/3] ufs-qcom: scsi: configure write booster type

Message ID 116b8c6bed27ffbee9da6ccfd52a2fdc612648b4.1584750888.git.asutoshd@codeaurora.org (mailing list archive)
State Superseded
Headers show
Series WriteBooster Feature Support | expand

Commit Message

Asutosh Das (asd) March 21, 2020, 12:48 a.m. UTC 
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@codeaurora.org>
---
 drivers/scsi/ufs/ufs-qcom.c | 7 +++++++
 1 file changed, 7 insertions(+)

Comments

Asutosh Das (asd) March 21, 2020, 12:52 a.m. UTC | #1 
On 3/20/2020 5:48 PM, Asutosh Das wrote:
> 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@codeaurora.org>
> ---
>   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,
>   };
>   
>   /**
> 

Hi,
Please ignore this patch, I'll send the proper series.
diff mbox series

Patch

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,
 };
 
 /**