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Commit 3712b815 authored by Karthik Kantamneni's avatar Karthik Kantamneni Committed by Madan Koyyalamudi
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qcacmn: Add api to set intermediate EP vote access 

Add api to set intermediate EP vote access state.
Make sure reg work handler is complete before setting
intermediate vote access.

Change-Id: Ib229d9af8b1e58505a9ae5fbf39aa912ca21a3c3
CRs-Fixed: 2994040
parent 1a20c436

hif/inc/hif.h

+7 −1
Original line number Diff line number Diff line
@@ -46,7 +46,7 @@ typedef void __iomem *A_target_id_t; 
typedef void *hif_handle_t;



#if defined(HIF_IPCI) && defined(FEATURE_HAL_DELAYED_REG_WRITE)

#define HIF_WORK_DRAIN_WAIT_CNT 10

#define HIF_WORK_DRAIN_WAIT_CNT 50

#endif



#define HIF_TYPE_AR6002   2
@@ -1724,6 +1724,7 @@ hif_softc_to_hif_opaque_softc(struct hif_softc *hif_handle) 


#if defined(HIF_IPCI) && defined(FEATURE_HAL_DELAYED_REG_WRITE)

QDF_STATUS hif_try_prevent_ep_vote_access(struct hif_opaque_softc *hif_ctx);

void hif_set_ep_intermediate_vote_access(struct hif_opaque_softc *hif_ctx);

void hif_allow_ep_vote_access(struct hif_opaque_softc *hif_ctx);

void hif_set_ep_vote_access(struct hif_opaque_softc *hif_ctx,

			    uint8_t type, uint8_t access);
@@ -1736,6 +1737,11 @@ hif_try_prevent_ep_vote_access(struct hif_opaque_softc *hif_ctx) 
	return QDF_STATUS_SUCCESS;

}



static inline void

hif_set_ep_intermediate_vote_access(struct hif_opaque_softc *hif_ctx)

{

}



static inline void

hif_allow_ep_vote_access(struct hif_opaque_softc *hif_ctx)

{

hif/src/hif_main.c

+19 −1
Original line number Diff line number Diff line
@@ -1048,12 +1048,30 @@ QDF_STATUS hif_try_prevent_ep_vote_access(struct hif_opaque_softc *hif_ctx) 
			hif_err("timeout wait for pending work %d ", work);

			return QDF_STATUS_E_FAULT;

		}

		qdf_sleep(5);

		qdf_sleep(10);

	}



	return QDF_STATUS_SUCCESS;

}



void hif_set_ep_intermediate_vote_access(struct hif_opaque_softc *hif_ctx)

{

	struct hif_softc *scn = HIF_GET_SOFTC(hif_ctx);

	uint8_t vote_access;



	vote_access = qdf_atomic_read(&scn->ep_vote_access);



	if (vote_access != HIF_EP_VOTE_ACCESS_DISABLE)

		hif_info("EP vote changed from:%u to intermediate state",

			 vote_access);



	if (QDF_IS_STATUS_ERROR(hif_try_prevent_ep_vote_access(hif_ctx)))

		QDF_BUG(0);



	qdf_atomic_set(&scn->ep_vote_access,

		       HIF_EP_VOTE_INTERMEDIATE_ACCESS);

}



void hif_allow_ep_vote_access(struct hif_opaque_softc *hif_ctx)

{

	struct hif_softc *scn = HIF_GET_SOFTC(hif_ctx);