staging: brcm80211: remove DHD_USE_STATIC_BUF

The DHD_USE_STATIC_BUF cannot be enabled in the build configuration,
remove it.

Signed-off-by: Mike Rapoport <mike.rapoport@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 0 insertions, 180 deletions

diff --git a/drivers/staging/brcm80211/util/linux_osl.c b/drivers/staging/brcm80211/util/linux_osl.c
index 6616174a3092..7c7d14bc1c28 100644
--- a/drivers/staging/brcm80211/util/linux_osl.c
+++ b/drivers/staging/brcm80211/util/linux_osl.c
@@ -33,28 +33,6 @@
 #define OS_HANDLE_MAGIC		0x1234abcd	/* Magic # to recognise osh */
 #define BCM_MEM_FILENAME_LEN 	24	/* Mem. filename length */
 
-#if defined(BRCM_FULLMAC) && defined(DHD_USE_STATIC_BUF)
-#define MAX_STATIC_BUF_NUM 16
-#define STATIC_BUF_SIZE	(PAGE_SIZE*2)
-#define STATIC_BUF_TOTAL_LEN (MAX_STATIC_BUF_NUM*STATIC_BUF_SIZE)
-typedef struct bcm_static_buf {
-	struct semaphore static_sem;
-	unsigned char *buf_ptr;
-	unsigned char buf_use[MAX_STATIC_BUF_NUM];
-} bcm_static_buf_t;
-
-static bcm_static_buf_t *bcm_static_buf;
-
-#define MAX_STATIC_PKT_NUM 8
-typedef struct bcm_static_pkt {
-	struct sk_buff *skb_4k[MAX_STATIC_PKT_NUM];
-	struct sk_buff *skb_8k[MAX_STATIC_PKT_NUM];
-	struct semaphore osl_pkt_sem;
-	unsigned char pkt_use[MAX_STATIC_PKT_NUM * 2];
-} bcm_static_pkt_t;
-static bcm_static_pkt_t *bcm_static_skb;
-#endif				/* DHD_USE_STATIC_BUF */
-
 struct osl_info {
 	osl_pubinfo_t pub;
 	uint magic;
@@ -174,39 +152,6 @@ osl_t *osl_attach(void *pdev, uint bustype, bool pkttag)
 		break;
 	}
 
-#if defined(BRCM_FULLMAC) && defined(DHD_USE_STATIC_BUF)
-	if (!bcm_static_buf) {
-		bcm_static_buf = (bcm_static_buf_t *) dhd_os_prealloc(3,
-					STATIC_BUF_SIZE + STATIC_BUF_TOTAL_LEN);
-		if (!bcm_static_buf) {
-			printk(KERN_ERR "can not alloc static buf!\n");
-		} else
-			printk(KERN_ERR "alloc static buf at %x!\n",
-			       (unsigned int)bcm_static_buf);
-
-		init_MUTEX(&bcm_static_buf->static_sem);
-
-		bcm_static_buf->buf_ptr =
-		    (unsigned char *)bcm_static_buf + STATIC_BUF_SIZE;
-
-	}
-
-	if (!bcm_static_skb) {
-		int i;
-		void *skb_buff_ptr = 0;
-		bcm_static_skb =
-		    (bcm_static_pkt_t *) ((char *)bcm_static_buf + 2048);
-		skb_buff_ptr = dhd_os_prealloc(4, 0);
-
-		bcopy(skb_buff_ptr, bcm_static_skb,
-		      sizeof(struct sk_buff *) * 16);
-		for (i = 0; i < MAX_STATIC_PKT_NUM * 2; i++)
-			bcm_static_skb->pkt_use[i] = 0;
-
-		init_MUTEX(&bcm_static_skb->osl_pkt_sem);
-	}
-#endif /* defined(BRCM_FULLMAC) && defined(DHD_USE_STATIC_BUF) */
-
 #if defined(BCMDBG) && !defined(BRCM_FULLMAC)
 	if (pkttag) {
 		struct sk_buff *skb;
@@ -221,13 +166,6 @@ void osl_detach(osl_t *osh)
 	if (osh == NULL)
 		return;
 
-#if defined(BRCM_FULLMAC) && defined(DHD_USE_STATIC_BUF)
-	if (bcm_static_buf)
-		bcm_static_buf = 0;
-
-	if (bcm_static_skb)
-		bcm_static_skb = 0;
-#endif
 	ASSERT(osh->magic == OS_HANDLE_MAGIC);
 	kfree(osh);
 }
@@ -282,73 +220,6 @@ void BCMFASTPATH osl_pktfree(osl_t *osh, void *p, bool send)
 	}
 }
 
-#if defined(BRCM_FULLMAC) && defined(DHD_USE_STATIC_BUF)
-void *osl_pktget_static(osl_t *osh, uint len)
-{
-	int i = 0;
-	struct sk_buff *skb;
-
-	if (len > (PAGE_SIZE * 2)) {
-		printk(KERN_ERR "Do we really need this big skb??\n");
-		return osl_pktget(osh, len);
-	}
-
-	down(&bcm_static_skb->osl_pkt_sem);
-	if (len <= PAGE_SIZE) {
-		for (i = 0; i < MAX_STATIC_PKT_NUM; i++) {
-			if (bcm_static_skb->pkt_use[i] == 0)
-				break;
-		}
-
-		if (i != MAX_STATIC_PKT_NUM) {
-			bcm_static_skb->pkt_use[i] = 1;
-			up(&bcm_static_skb->osl_pkt_sem);
-
-			skb = bcm_static_skb->skb_4k[i];
-			skb->tail = skb->data + len;
-			skb->len = len;
-
-			return skb;
-		}
-	}
-
-	for (i = 0; i < MAX_STATIC_PKT_NUM; i++) {
-		if (bcm_static_skb->pkt_use[i + MAX_STATIC_PKT_NUM] == 0)
-			break;
-	}
-
-	if (i != MAX_STATIC_PKT_NUM) {
-		bcm_static_skb->pkt_use[i + MAX_STATIC_PKT_NUM] = 1;
-		up(&bcm_static_skb->osl_pkt_sem);
-		skb = bcm_static_skb->skb_8k[i];
-		skb->tail = skb->data + len;
-		skb->len = len;
-
-		return skb;
-	}
-
-	up(&bcm_static_skb->osl_pkt_sem);
-	printk(KERN_ERR "all static pkt in use!\n");
-	return osl_pktget(osh, len);
-}
-
-void osl_pktfree_static(osl_t *osh, void *p, bool send)
-{
-	int i;
-
-	for (i = 0; i < MAX_STATIC_PKT_NUM * 2; i++) {
-		if (p == bcm_static_skb->skb_4k[i]) {
-			down(&bcm_static_skb->osl_pkt_sem);
-			bcm_static_skb->pkt_use[i] = 0;
-			up(&bcm_static_skb->osl_pkt_sem);
-
-			return;
-		}
-	}
-	return osl_pktfree(osh, p, send);
-}
-#endif /* defined(BRCM_FULLMAC) && defined(DHD_USE_STATIC_BUF) */
-
 u32 osl_pci_read_config(osl_t *osh, uint offset, uint size)
 {
 	uint val = 0;
@@ -422,35 +293,6 @@ void *osl_malloc(osl_t *osh, uint size)
 	if (osh)
 		ASSERT(osh->magic == OS_HANDLE_MAGIC);
 
-#if defined(BRCM_FULLMAC) && defined(DHD_USE_STATIC_BUF)
-		if (bcm_static_buf) {
-			int i = 0;
-			if ((size >= PAGE_SIZE) && (size <= STATIC_BUF_SIZE)) {
-				down(&bcm_static_buf->static_sem);
-				for (i = 0; i < MAX_STATIC_BUF_NUM; i++) {
-					if (bcm_static_buf->buf_use[i] == 0)
-						break;
-				}
-				if (i == MAX_STATIC_BUF_NUM) {
-					up(&bcm_static_buf->static_sem);
-					printk(KERN_ERR "all static buff in use!\n");
-					goto original;
-				}
-				bcm_static_buf->buf_use[i] = 1;
-				up(&bcm_static_buf->static_sem);
-
-				bzero(bcm_static_buf->buf_ptr + STATIC_BUF_SIZE * i,
-					  size);
-				if (osh)
-					osh->malloced += size;
-
-				return (void *)(bcm_static_buf->buf_ptr +
-						 STATIC_BUF_SIZE * i);
-			}
-		}
-	original:
-#endif /* defined(BRCM_FULLMAC) && defined(DHD_USE_STATIC_BUF) */
-
 	addr = kmalloc(size, GFP_ATOMIC);
 	if (addr == NULL) {
 		if (osh)
@@ -465,28 +307,6 @@ void *osl_malloc(osl_t *osh, uint size)
 
 void osl_mfree(osl_t *osh, void *addr, uint size)
 {
-#if defined(BRCM_FULLMAC) && defined(DHD_USE_STATIC_BUF)
-	if (bcm_static_buf) {
-		if ((addr > (void *)bcm_static_buf) && ((unsigned char *)addr
-				<= ((unsigned char *)
-				    bcm_static_buf +
-				    STATIC_BUF_TOTAL_LEN))) {
-			int buf_idx = 0;
-			buf_idx =
-			    ((unsigned char *)addr -
-			     bcm_static_buf->buf_ptr) / STATIC_BUF_SIZE;
-			down(&bcm_static_buf->static_sem);
-			bcm_static_buf->buf_use[buf_idx] = 0;
-			up(&bcm_static_buf->static_sem);
-
-			if (osh) {
-				ASSERT(osh->magic == OS_HANDLE_MAGIC);
-				osh->malloced -= size;
-			}
-			return;
-		}
-	}
-#endif /* defined(BRCM_FULLMAC) && defined(DHD_USE_STATIC_BUF) */
 	if (osh) {
 		ASSERT(osh->magic == OS_HANDLE_MAGIC);
 		osh->malloced -= size;