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Commit 5329bdda authored by Arun Kumar Khandavalli's avatar Arun Kumar Khandavalli
Browse files

qcacmn: get the data during the issue with the bus 

Whenever there is a recovery triggered, if there is a
failure in reading the bus id collect the bus specific
registers to understand the reason for the failures.

Change-Id: I7387d63d9205d24fd881824b9a9fac48a7816c73
CRs-Fixed: 2833331
parent 60cb1248

hif/src/dispatcher/dummy.c

+3 −2
Original line number Diff line number Diff line
@@ -384,9 +384,10 @@ void hif_dummy_config_irq_affinity(struct hif_softc *scn) 
 * @data: hang event data buffer

 * @offset: offset at which data needs to be written

 *

 * Return: None

 * Return: bool

 */

void hif_dummy_log_bus_info(struct hif_softc *scn, uint8_t *data,

bool hif_dummy_log_bus_info(struct hif_softc *scn, uint8_t *data,

			    unsigned int *offset)

{

	return false;

}

hif/src/dispatcher/dummy.h

+1 −1
Original line number Diff line number Diff line
@@ -60,5 +60,5 @@ int hif_dummy_bus_reset_resume(struct hif_softc *hif_ctx); 
int hif_dummy_map_ce_to_irq(struct hif_softc *scn, int ce_id);

int hif_dummy_addr_in_boundary(struct hif_softc *scn, uint32_t offset);

void hif_dummy_config_irq_affinity(struct hif_softc *scn);

void hif_dummy_log_bus_info(struct hif_softc *scn, uint8_t *data,

bool hif_dummy_log_bus_info(struct hif_softc *scn, uint8_t *data,

			    unsigned int *offset);

hif/src/dispatcher/multibus.c

+4 −2
Original line number Diff line number Diff line
@@ -534,10 +534,12 @@ void hif_config_irq_affinity(struct hif_softc *hif_sc) 
}



#ifdef HIF_BUS_LOG_INFO

void hif_log_bus_info(struct hif_softc *hif_sc, uint8_t *data,

bool hif_log_bus_info(struct hif_softc *hif_sc, uint8_t *data,

		      unsigned int *offset)

{

	if (hif_sc->bus_ops.hif_log_bus_info)

		hif_sc->bus_ops.hif_log_bus_info(hif_sc, data, offset);

		return hif_sc->bus_ops.hif_log_bus_info(hif_sc, data, offset);



	return false;

}

#endif

hif/src/dispatcher/multibus.h

+5 −4
Original line number Diff line number Diff line
@@ -81,7 +81,7 @@ struct hif_bus_ops { 
	int (*hif_addr_in_boundary)(struct hif_softc *scn, uint32_t offset);

	bool (*hif_needs_bmi)(struct hif_softc *hif_sc);

	void (*hif_config_irq_affinity)(struct hif_softc *hif_sc);

	void (*hif_log_bus_info)(struct hif_softc *scn, uint8_t *data,

	bool (*hif_log_bus_info)(struct hif_softc *scn, uint8_t *data,

				 unsigned int *offset);

};
@@ -251,15 +251,16 @@ void hif_config_irq_affinity(struct hif_softc *hif_sc); 
 * @data: hang event data buffer

 * @offset: offset at which data needs to be written

 *

 * Return:  None

 * Return: true if bus_id is invalid else false

 */

void hif_log_bus_info(struct hif_softc *scn, uint8_t *data,

bool hif_log_bus_info(struct hif_softc *scn, uint8_t *data,

		      unsigned int *offset);

#else

static inline

void hif_log_bus_info(struct hif_softc *scn, uint8_t *data,

bool hif_log_bus_info(struct hif_softc *scn, uint8_t *data,

		      unsigned int *offset)

{

	return false;

}

#endif

#endif /* _MULTIBUS_H_ */

hif/src/hif_main.c

+6 −2
Original line number Diff line number Diff line
@@ -546,6 +546,7 @@ int hif_recovery_notifier_cb(struct notifier_block *block, unsigned long state, 
	struct qdf_notifer_data *notif_data = data;

	qdf_notif_block *notif_block;

	struct hif_softc *hif_handle;

	bool bus_id_invalid;



	if (!data || !block)

		return -EINVAL;
@@ -556,8 +557,11 @@ int hif_recovery_notifier_cb(struct notifier_block *block, unsigned long state, 
	if (!hif_handle)

		return -EINVAL;



	hif_log_bus_info(hif_handle, notif_data->hang_data,

	bus_id_invalid = hif_log_bus_info(hif_handle, notif_data->hang_data,

					  &notif_data->offset);

	if (bus_id_invalid)

		return NOTIFY_STOP_MASK;



	hif_log_ce_info(hif_handle, notif_data->hang_data,

			&notif_data->offset);