diff options
Diffstat (limited to 'drivers/scsi/ufs/ufshcd.h')
| -rw-r--r-- | drivers/scsi/ufs/ufshcd.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/scsi/ufs/ufshcd.h b/drivers/scsi/ufs/ufshcd.h index eb6831db1548..c40a0e78a6c4 100644 --- a/drivers/scsi/ufs/ufshcd.h +++ b/drivers/scsi/ufs/ufshcd.h @@ -246,6 +246,7 @@ struct ufs_pwr_mode_info { * @name: variant name * @init: called when the driver is initialized * @exit: called to cleanup everything done in init + * @get_ufs_hci_version: called to get UFS HCI version * @clk_scale_notify: notifies that clks are scaled up/down * @setup_clocks: called before touching any of the controller registers * @setup_regulators: called before accessing the host controller @@ -263,6 +264,7 @@ struct ufs_hba_variant_ops { const char *name; int (*init)(struct ufs_hba *); void (*exit)(struct ufs_hba *); + u32 (*get_ufs_hci_version)(struct ufs_hba *); void (*clk_scale_notify)(struct ufs_hba *); int (*setup_clocks)(struct ufs_hba *, bool); int (*setup_regulators)(struct ufs_hba *, bool); @@ -449,6 +451,14 @@ struct ufs_hba { */ #define UFSHCD_QUIRK_DME_PEER_ACCESS_AUTO_MODE UFS_BIT(4) + /* + * This quirk needs to be enabled if the host contoller doesn't + * advertise the correct version in UFS_VER register. If this quirk + * is enabled, standard UFS host driver will call the vendor specific + * ops (get_ufs_hci_version) to get the correct version. + */ + #define UFSHCD_QUIRK_BROKEN_UFS_HCI_VERSION UFS_BIT(5) + unsigned int quirks; /* Deviations from standard UFSHCI spec. */ wait_queue_head_t tm_wq; |