Re: [PATCH v2 1/2] scsi: ufs: pass device information to apply_dev_quirks

asutoshd
2020-01-06T17:45:57Z

On 2020-01-05 16:27, Stanley Chu wrote:
> Pass UFS device information to vendor-specific variant callback
> "apply_dev_quirks" because some platform vendors need to know such
> information to apply special handlings or quirks in specific devices.
>
> In the same time, modify existed vendor implementation according to
> the new interface.
>
> Cc: Alim Akhtar <alim.akhtar@samsung.com>
> Cc: Asutosh Das <asutoshd@codeaurora.org>
> Cc: Avri Altman <avri.altman@wdc.com>
> Cc: Bart Van Assche <bvanassche@acm.org>
> Cc: Bean Huo <beanhuo@micron.com>
> Cc: Can Guo <cang@codeaurora.org>
> Cc: Matthias Brugger <matthias.bgg@gmail.com>
> Reviewed-by: Avri Altman <avri.altman@wdc.com>
> Signed-off-by: Stanley Chu <stanley.chu@mediatek.com>
> ---
> drivers/scsi/ufs/ufs-qcom.c | 3 ++-
> drivers/scsi/ufs/ufshcd.c | 5 +++--
> drivers/scsi/ufs/ufshcd.h | 7 ++++---
> 3 files changed, 9 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/scsi/ufs/ufs-qcom.c b/drivers/scsi/ufs/ufs-qcom.c
> index c69c29a1ceb9..ebb5c66e069f 100644
> --- a/drivers/scsi/ufs/ufs-qcom.c
> +++ b/drivers/scsi/ufs/ufs-qcom.c
> @@ -949,7 +949,8 @@ static int
> ufs_qcom_quirk_host_pa_saveconfigtime(struct ufs_hba *hba)
> return err;
> }
>
> -static int ufs_qcom_apply_dev_quirks(struct ufs_hba *hba)
> +static int ufs_qcom_apply_dev_quirks(struct ufs_hba *hba,
> + struct ufs_dev_desc *card)
> {
> int err = 0;
>
> diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
> index 1b97f2dc0b63..9abf0ea8c308 100644
> --- a/drivers/scsi/ufs/ufshcd.c
> +++ b/drivers/scsi/ufs/ufshcd.c
> @@ -6803,7 +6803,8 @@ static int
> ufshcd_quirk_tune_host_pa_tactivate(struct ufs_hba *hba)
> return ret;
> }
>
> -static void ufshcd_tune_unipro_params(struct ufs_hba *hba)
> +static void ufshcd_tune_unipro_params(struct ufs_hba *hba,
> + struct ufs_dev_desc *card)
> {
> if (ufshcd_is_unipro_pa_params_tuning_req(hba)) {
> ufshcd_tune_pa_tactivate(hba);
> @@ -6817,7 +6818,7 @@ static void ufshcd_tune_unipro_params(struct
> ufs_hba *hba)
> if (hba->dev_quirks & UFS_DEVICE_QUIRK_HOST_PA_TACTIVATE)
> ufshcd_quirk_tune_host_pa_tactivate(hba);
>
> - ufshcd_vops_apply_dev_quirks(hba);
> + ufshcd_vops_apply_dev_quirks(hba, card);
> }
>
> static void ufshcd_clear_dbg_ufs_stats(struct ufs_hba *hba)
> diff --git a/drivers/scsi/ufs/ufshcd.h b/drivers/scsi/ufs/ufshcd.h
> index e05cafddc87b..4f3fa71303da 100644
> --- a/drivers/scsi/ufs/ufshcd.h
> +++ b/drivers/scsi/ufs/ufshcd.h
> @@ -320,7 +320,7 @@ struct ufs_hba_variant_ops {
> void (*setup_task_mgmt)(struct ufs_hba *, int, u8);
> void (*hibern8_notify)(struct ufs_hba *, enum uic_cmd_dme,
> enum ufs_notify_change_status);
> - int (*apply_dev_quirks)(struct ufs_hba *);
> + int (*apply_dev_quirks)(struct ufs_hba *, struct ufs_dev_desc *);
> int (*suspend)(struct ufs_hba *, enum ufs_pm_op);
> int (*resume)(struct ufs_hba *, enum ufs_pm_op);
> void (*dbg_register_dump)(struct ufs_hba *hba);
> @@ -1052,10 +1052,11 @@ static inline void
> ufshcd_vops_hibern8_notify(struct ufs_hba *hba,
> return hba->vops->hibern8_notify(hba, cmd, status);
> }
>
> -static inline int ufshcd_vops_apply_dev_quirks(struct ufs_hba *hba)
> +static inline int ufshcd_vops_apply_dev_quirks(struct ufs_hba *hba,
> + struct ufs_dev_desc *card)
> {
> if (hba->vops && hba->vops->apply_dev_quirks)
> - return hba->vops->apply_dev_quirks(hba);
> + return hba->vops->apply_dev_quirks(hba, card);
> return 0;
> }

Please separate the vendor code (ufs-qcom, in this case) to a separate
patch.

-asd