u32 num_channels;
const struct mhi_channel_config *ch_cfg;
u32 num_events;
- const struct mhi_event_config *event_cfg;
+ struct mhi_event_config *event_cfg;
bool use_bounce_buf;
bool m2_no_db;
};
* @unmap_single: CB function to destroy TRE buffer
* @read_reg: Read a MHI register via the physical link (required)
* @write_reg: Write a MHI register via the physical link (required)
+ * @reset: Controller specific reset function (optional)
* @buffer_len: Bounce buffer length
* @index: Index of the MHI controller instance
* @bounce_buf: Use of bounce buffer
* @fbc_download: MHI host needs to do complete image transfer (optional)
* @pre_init: MHI host needs to do pre-initialization before power up
* @wake_set: Device wakeup set flag
+ * @irq_flags: irq flags passed to request_irq (optional)
*
* Fields marked as (required) need to be populated by the controller driver
* before calling mhi_register_controller(). For the fields marked as (optional)
u32 *out);
void (*write_reg)(struct mhi_controller *mhi_cntrl, void __iomem *addr,
u32 val);
+ void (*reset)(struct mhi_controller *mhi_cntrl);
size_t buffer_len;
int index;
bool fbc_download;
bool pre_init;
bool wake_set;
+ unsigned long irq_flags;
};
/**
*/
enum mhi_state mhi_get_mhi_state(struct mhi_controller *mhi_cntrl);
+/**
+ * mhi_soc_reset - Trigger a device reset. This can be used as a last resort
+ * to reset and recover a device.
+ * @mhi_cntrl: MHI controller
+ */
+void mhi_soc_reset(struct mhi_controller *mhi_cntrl);
+
/**
* mhi_device_get - Disable device low power mode
* @mhi_dev: Device associated with the channel