[PATCH v1 2/3] ufs: host: mediatek: fix mcq mode tm cmd timeout
Chun-Hung Wu (巫駿宏)
Chun-hung.Wu at mediatek.com
Sun Dec 24 23:20:38 PST 2023
On Thu, 2023-12-21 at 19:04 +0800, peter.wang at mediatek.com wrote:
> From: Peter Wang <peter.wang at mediatek.com>
>
> Fix tm cmd timeout issue in mcq mode by default resume call
> ufshcd_make_hba_operational to set tm cmd dma address.
> This flow same as ufs init make operational after link startup then
> set mcq related register if use mcq mode.
>
> Signed-off-by: Peter Wang <peter.wang at mediatek.com>
> ---
> drivers/ufs/host/ufs-mediatek.c | 11 +++++------
> 1 file changed, 5 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/ufs/host/ufs-mediatek.c b/drivers/ufs/host/ufs-
> mediatek.c
> index 104354a4d899..eb1934126c87 100644
> --- a/drivers/ufs/host/ufs-mediatek.c
> +++ b/drivers/ufs/host/ufs-mediatek.c
> @@ -1220,9 +1220,11 @@ static int ufs_mtk_link_set_hpm(struct ufs_hba
> *hba)
> }
> ufshcd_set_link_active(hba);
>
> - if (!hba->mcq_enabled) {
> - err = ufshcd_make_hba_operational(hba);
> - } else {
> + err = ufshcd_make_hba_operational(hba);
> + if (err)
> + return err;
> +
> + if (is_mcq_enabled(hba)) {
> ufs_mtk_config_mcq(hba, false);
> ufshcd_mcq_make_queues_operational(hba);
> ufshcd_mcq_config_mac(hba, hba->nutrs);
> @@ -1231,9 +1233,6 @@ static int ufs_mtk_link_set_hpm(struct ufs_hba
> *hba)
> REG_UFS_MEM_CFG);
> }
>
> - if (err)
> - return err;
> -
> return 0;
> }
>
Reviewed-by: Chun-Hung Wu <chun-hung.wu at mediatek.com>
Chun-Hung
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