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

From: asutoshd
Date: Mon Jan 06 2020 - 12:45:34 EST


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@xxxxxxxxxxx>
Cc: Asutosh Das <asutoshd@xxxxxxxxxxxxxx>
Cc: Avri Altman <avri.altman@xxxxxxx>
Cc: Bart Van Assche <bvanassche@xxxxxxx>
Cc: Bean Huo <beanhuo@xxxxxxxxxx>
Cc: Can Guo <cang@xxxxxxxxxxxxxx>
Cc: Matthias Brugger <matthias.bgg@xxxxxxxxx>
Reviewed-by: Avri Altman <avri.altman@xxxxxxx>
Signed-off-by: Stanley Chu <stanley.chu@xxxxxxxxxxxx>
---
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