On 2020-01-16 13:59, Bean Huo wrote:
> From: Bean Huo <beanhuo@xxxxxxxxxx>
>
> Without variable is_init_prefetch, the current logic can guarantee
> ufshcd_init_icc_levels() will execute only once, delete it now.
>
> Signed-off-by: Bean Huo <beanhuo@xxxxxxxxxx>
> ---
> drivers/scsi/ufs/ufshcd.c | 5 +----
> drivers/scsi/ufs/ufshcd.h | 2 --
> 2 files changed, 1 insertion(+), 6 deletions(-)
>
> diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
> index 44b7c0a44b8d..31b6e2a7c166 100644
> --- a/drivers/scsi/ufs/ufshcd.c
> +++ b/drivers/scsi/ufs/ufshcd.c
> @@ -6967,8 +6967,7 @@ static int ufs_lu_add(struct ufs_hba *hba)
> {
> int ret;
>
> - if (!hba->is_init_prefetch)
> - ufshcd_init_icc_levels(hba);
> + ufshcd_init_icc_levels(hba);
>
> /* Add required well known logical units to scsi mid layer */
> ret = ufshcd_scsi_add_wlus(hba);
> @@ -6994,8 +6993,6 @@ static int ufs_lu_add(struct ufs_hba *hba)
> scsi_scan_host(hba->host);
> pm_runtime_put_sync(hba->dev);
>
> - if (!hba->is_init_prefetch)
> - hba->is_init_prefetch = true;
> out:
> return ret;
> }
The current code calls ufshcd_init_icc_levels() once per HBA. This patch
changes that into one call per LUN. It seems like the patch description
contradicts the code I see above.
Thanks,
Bart.
