1 files changed, 0 insertions, 177 deletions

diff --git a/drivers/usb/host/whci/init.c b/drivers/usb/host/whci/init.c
deleted file mode 100644
index 82416973f773..000000000000
--- a/drivers/usb/host/whci/init.c
+++ /dev/null
@@ -1,177 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Wireless Host Controller (WHC) initialization.
- *
- * Copyright (C) 2007 Cambridge Silicon Radio Ltd.
- */
-#include <linux/kernel.h>
-#include <linux/gfp.h>
-#include <linux/dma-mapping.h>
-#include <linux/uwb/umc.h>
-
-#include "../../wusbcore/wusbhc.h"
-
-#include "whcd.h"
-
-/*
- * Reset the host controller.
- */
-static void whc_hw_reset(struct whc *whc)
-{
-	le_writel(WUSBCMD_WHCRESET, whc->base + WUSBCMD);
-	whci_wait_for(&whc->umc->dev, whc->base + WUSBCMD, WUSBCMD_WHCRESET, 0,
-		      100, "reset");
-}
-
-static void whc_hw_init_di_buf(struct whc *whc)
-{
-	int d;
-
-	/* Disable all entries in the Device Information buffer. */
-	for (d = 0; d < whc->n_devices; d++)
-		whc->di_buf[d].addr_sec_info = WHC_DI_DISABLE;
-
-	le_writeq(whc->di_buf_dma, whc->base + WUSBDEVICEINFOADDR);
-}
-
-static void whc_hw_init_dn_buf(struct whc *whc)
-{
-	/* Clear the Device Notification buffer to ensure the V (valid)
-	 * bits are clear.  */
-	memset(whc->dn_buf, 0, 4096);
-
-	le_writeq(whc->dn_buf_dma, whc->base + WUSBDNTSBUFADDR);
-}
-
-int whc_init(struct whc *whc)
-{
-	u32 whcsparams;
-	int ret, i;
-	resource_size_t start, len;
-
-	spin_lock_init(&whc->lock);
-	mutex_init(&whc->mutex);
-	init_waitqueue_head(&whc->cmd_wq);
-	init_waitqueue_head(&whc->async_list_wq);
-	init_waitqueue_head(&whc->periodic_list_wq);
-	whc->workqueue = alloc_ordered_workqueue(dev_name(&whc->umc->dev), 0);
-	if (whc->workqueue == NULL) {
-		ret = -ENOMEM;
-		goto error;
-	}
-	INIT_WORK(&whc->dn_work, whc_dn_work);
-
-	INIT_WORK(&whc->async_work, scan_async_work);
-	INIT_LIST_HEAD(&whc->async_list);
-	INIT_LIST_HEAD(&whc->async_removed_list);
-
-	INIT_WORK(&whc->periodic_work, scan_periodic_work);
-	for (i = 0; i < 5; i++)
-		INIT_LIST_HEAD(&whc->periodic_list[i]);
-	INIT_LIST_HEAD(&whc->periodic_removed_list);
-
-	/* Map HC registers. */
-	start = whc->umc->resource.start;
-	len   = whc->umc->resource.end - start + 1;
-	if (!request_mem_region(start, len, "whci-hc")) {
-		dev_err(&whc->umc->dev, "can't request HC region\n");
-		ret = -EBUSY;
-		goto error;
-	}
-	whc->base_phys = start;
-	whc->base = ioremap(start, len);
-	if (!whc->base) {
-		dev_err(&whc->umc->dev, "ioremap\n");
-		ret = -ENOMEM;
-		goto error;
-	}
-
-	whc_hw_reset(whc);
-
-	/* Read maximum number of devices, keys and MMC IEs. */
-	whcsparams = le_readl(whc->base + WHCSPARAMS);
-	whc->n_devices = WHCSPARAMS_TO_N_DEVICES(whcsparams);
-	whc->n_keys    = WHCSPARAMS_TO_N_KEYS(whcsparams);
-	whc->n_mmc_ies = WHCSPARAMS_TO_N_MMC_IES(whcsparams);
-
-	dev_dbg(&whc->umc->dev, "N_DEVICES = %d, N_KEYS = %d, N_MMC_IES = %d\n",
-		whc->n_devices, whc->n_keys, whc->n_mmc_ies);
-
-	whc->qset_pool = dma_pool_create("qset", &whc->umc->dev,
-					 sizeof(struct whc_qset), 64, 0);
-	if (whc->qset_pool == NULL) {
-		ret = -ENOMEM;
-		goto error;
-	}
-
-	ret = asl_init(whc);
-	if (ret < 0)
-		goto error;
-	ret = pzl_init(whc);
-	if (ret < 0)
-		goto error;
-
-	/* Allocate and initialize a buffer for generic commands, the
-	   Device Information buffer, and the Device Notification
-	   buffer. */
-
-	whc->gen_cmd_buf = dma_alloc_coherent(&whc->umc->dev, WHC_GEN_CMD_DATA_LEN,
-					      &whc->gen_cmd_buf_dma, GFP_KERNEL);
-	if (whc->gen_cmd_buf == NULL) {
-		ret = -ENOMEM;
-		goto error;
-	}
-
-	whc->dn_buf = dma_alloc_coherent(&whc->umc->dev,
-					 sizeof(struct dn_buf_entry) * WHC_N_DN_ENTRIES,
-					 &whc->dn_buf_dma, GFP_KERNEL);
-	if (!whc->dn_buf) {
-		ret = -ENOMEM;
-		goto error;
-	}
-	whc_hw_init_dn_buf(whc);
-
-	whc->di_buf = dma_alloc_coherent(&whc->umc->dev,
-					 sizeof(struct di_buf_entry) * whc->n_devices,
-					 &whc->di_buf_dma, GFP_KERNEL);
-	if (!whc->di_buf) {
-		ret = -ENOMEM;
-		goto error;
-	}
-	whc_hw_init_di_buf(whc);
-
-	return 0;
-
-error:
-	whc_clean_up(whc);
-	return ret;
-}
-
-void whc_clean_up(struct whc *whc)
-{
-	resource_size_t len;
-
-	if (whc->di_buf)
-		dma_free_coherent(&whc->umc->dev, sizeof(struct di_buf_entry) * whc->n_devices,
-				  whc->di_buf, whc->di_buf_dma);
-	if (whc->dn_buf)
-		dma_free_coherent(&whc->umc->dev, sizeof(struct dn_buf_entry) * WHC_N_DN_ENTRIES,
-				  whc->dn_buf, whc->dn_buf_dma);
-	if (whc->gen_cmd_buf)
-		dma_free_coherent(&whc->umc->dev, WHC_GEN_CMD_DATA_LEN,
-				  whc->gen_cmd_buf, whc->gen_cmd_buf_dma);
-
-	pzl_clean_up(whc);
-	asl_clean_up(whc);
-
-	dma_pool_destroy(whc->qset_pool);
-
-	len   = resource_size(&whc->umc->resource);
-	if (whc->base)
-		iounmap(whc->base);
-	if (whc->base_phys)
-		release_mem_region(whc->base_phys, len);
-
-	if (whc->workqueue)
-		destroy_workqueue(whc->workqueue);
-}