qcacld-3.0: Remove hif_claim_device

hif_claim_device does not serve a purpose in copy engine.
The usage and implementation of hif_claim_device need to be
reexamined for sdio and usb. It should not store the device
in a ce specific data structure.

Change-Id: I0847e152ae3a1ca57d5c6937d6929918063cc362
CRs-Fixed: 967244

core/bmi/src/bmi.c

@@ -1,5 +1,5 @@
 /*
- * copyright (c) 2014-2015 The Linux Foundation. All rights reserved.
+ * copyright (c) 2014-2016 The Linux Foundation. All rights reserved.
  *
  * Previously licensed under the ISC license by Qualcomm Atheros, Inc.
  *
@@ -110,7 +110,6 @@ void bmi_cleanup(struct ol_softc *scn)
 CDF_STATUS bmi_done(struct ol_softc *scn)
 {
 	CDF_STATUS status = CDF_STATUS_SUCCESS;
-	hif_claim_device(scn, scn);
 
 	if (NO_BMI)
 		return status;

core/hif/inc/hif.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2013-2015 The Linux Foundation. All rights reserved.
+ * Copyright (c) 2013-2016 The Linux Foundation. All rights reserved.
  *
  * Previously licensed under the ISC license by Qualcomm Atheros, Inc.
  *
@@ -394,14 +394,6 @@ typedef struct osdrv_callbacks {
  */
 int hif_init(OSDRV_CALLBACKS *callbacks);
 
-/*
- * This API claims the HIF device and provides a context for handling removal.
- * The device removal callback is only called when the OSDRV layer claims
- * a device.  The claimed context must be non-NULL */
-void hif_claim_device(struct ol_softc *scn, void *claimedContext);
-/* release the claimed device */
-void hif_release_device(struct ol_softc *scn);
-
 /* This API detaches the HTC layer from the HIF device */
 void hif_detach_htc(struct ol_softc *scn);
 

core/hif/src/ce/ce_main.c

@@ -872,20 +872,6 @@ static void hif_msg_callbacks_install(struct ol_softc *scn)
 		 sizeof(hif_state->msg_callbacks_pending));
 }
 
-void hif_claim_device(struct ol_softc *scn, void *claimedContext)
-{
-	struct HIF_CE_state *hif_state = (struct HIF_CE_state *)scn->hif_hdl;
-
-	hif_state->claimedContext = claimedContext;
-}
-
-void hif_release_device(struct ol_softc *scn)
-{
-	struct HIF_CE_state *hif_state = (struct HIF_CE_state *)scn->hif_hdl;
-
-	hif_state->claimedContext = NULL;
-}
-
 void
 hif_get_default_pipe(struct ol_softc *scn, uint8_t *ULPipe, uint8_t *DLPipe)
 {

core/hif/src/ce/ce_main.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015 The Linux Foundation. All rights reserved.
+ * Copyright (c) 2015-2016 The Linux Foundation. All rights reserved.
  *
  * Previously licensed under the ISC license by Qualcomm Atheros, Inc.
  *
@@ -123,8 +123,6 @@ struct HIF_CE_state {
 	/* current msg callbacks in use */
 	struct hif_msg_callbacks msg_callbacks_current;
 
-	void *claimedContext;
-
 	/* Target address used to signal a pending firmware event */
 	uint32_t fw_indicator_address;
 

core/utils/epping/src/epping_main.c

@@ -251,8 +251,6 @@ int epping_enable(struct device *parent_dev)
 	}
 	scn->htc_handle = pEpping_ctx->HTCHandle;
 
-	hif_claim_device(scn->hif_hdl, scn);
-
 	if (bmi_done(scn)) {
 		EPPING_LOG(CDF_TRACE_LEVEL_FATAL,
 			   "%s: Failed to complete BMI phase", __func__);