atm: [he] remove #ifdef clutter

Signed-off-by: Chas Williams <[e-mail]>
Signed-off-by: David S. Miller <[e-mail]>

drivers/atm/he.c

···
 #include <linux/atm.h>
 #include <linux/sonet.h>
 
-#define USE_TASKLET
 #undef USE_SCATTERGATHER
 #undef USE_CHECKSUM_HW			/* still confused about this */
-#define USE_RBPS
-#undef USE_RBPS_POOL			/* if memory is tight try this */
-#undef USE_RBPL_POOL			/* if memory is tight try this */
-#define USE_TPD_POOL
-/* #undef CONFIG_ATM_HE_USE_SUNI */
 /* #undef HE_DEBUG */
 
 #include "he.h"
···
 	he_dev->atm_dev->dev_data = he_dev;
 	atm_dev->dev_data = he_dev;
 	he_dev->number = atm_dev->number;
-#ifdef USE_TASKLET
 	tasklet_init(&he_dev->tasklet, he_tasklet, (unsigned long) he_dev);
-#endif
 	spin_lock_init(&he_dev->global_lock);
 
 	if (he_start(atm_dev)) {
···
 {
 	int i;
 
-#ifdef USE_RBPS
 	/* small buffer pool */
-#ifdef USE_RBPS_POOL
 	he_dev->rbps_pool = pci_pool_create("rbps", he_dev->pci_dev,
 			CONFIG_RBPS_BUFSIZE, 8, 0);
 	if (he_dev->rbps_pool == NULL) {
 		hprintk("unable to create rbps pages\n");
 		return -ENOMEM;
 	}
-#else /* !USE_RBPS_POOL */
-	he_dev->rbps_pages = pci_alloc_consistent(he_dev->pci_dev,
-		CONFIG_RBPS_SIZE * CONFIG_RBPS_BUFSIZE, &he_dev->rbps_pages_phys);
-	if (he_dev->rbps_pages == NULL) {
-		hprintk("unable to create rbps page pool\n");
-		return -ENOMEM;
-	}
-#endif /* USE_RBPS_POOL */
 
 	he_dev->rbps_base = pci_alloc_consistent(he_dev->pci_dev,
 		CONFIG_RBPS_SIZE * sizeof(struct he_rbp), &he_dev->rbps_phys);
···
 		dma_addr_t dma_handle;
 		void *cpuaddr;
 
-#ifdef USE_RBPS_POOL 
 		cpuaddr = pci_pool_alloc(he_dev->rbps_pool, GFP_KERNEL|GFP_DMA, &dma_handle);
 		if (cpuaddr == NULL)
 			return -ENOMEM;
-#else
-		cpuaddr = he_dev->rbps_pages + (i * CONFIG_RBPS_BUFSIZE);
-		dma_handle = he_dev->rbps_pages_phys + (i * CONFIG_RBPS_BUFSIZE);
-#endif
 
 		he_dev->rbps_virt[i].virt = cpuaddr;
 		he_dev->rbps_base[i].status = RBP_LOANED | RBP_SMALLBUF | (i << RBP_INDEX_OFF);
···
 			RBP_QSIZE(CONFIG_RBPS_SIZE - 1) |
 			RBP_INT_ENB,
 						G0_RBPS_QI + (group * 32));
-#else /* !USE_RBPS */
-	he_writel(he_dev, 0x0, G0_RBPS_S + (group * 32));
-	he_writel(he_dev, 0x0, G0_RBPS_T + (group * 32));
-	he_writel(he_dev, 0x0, G0_RBPS_QI + (group * 32));
-	he_writel(he_dev, RBP_THRESH(0x1) | RBP_QSIZE(0x0),
-						G0_RBPS_BS + (group * 32));
-#endif /* USE_RBPS */
 
 	/* large buffer pool */
-#ifdef USE_RBPL_POOL
 	he_dev->rbpl_pool = pci_pool_create("rbpl", he_dev->pci_dev,
 			CONFIG_RBPL_BUFSIZE, 8, 0);
 	if (he_dev->rbpl_pool == NULL) {
 		hprintk("unable to create rbpl pool\n");
 		return -ENOMEM;
 	}
-#else /* !USE_RBPL_POOL */
-	he_dev->rbpl_pages = (void *) pci_alloc_consistent(he_dev->pci_dev,
-		CONFIG_RBPL_SIZE * CONFIG_RBPL_BUFSIZE, &he_dev->rbpl_pages_phys);
-	if (he_dev->rbpl_pages == NULL) {
-		hprintk("unable to create rbpl pages\n");
-		return -ENOMEM;
-	}
-#endif /* USE_RBPL_POOL */
 
 	he_dev->rbpl_base = pci_alloc_consistent(he_dev->pci_dev,
 		CONFIG_RBPL_SIZE * sizeof(struct he_rbp), &he_dev->rbpl_phys);
···
 		dma_addr_t dma_handle;
 		void *cpuaddr;
 
-#ifdef USE_RBPL_POOL
 		cpuaddr = pci_pool_alloc(he_dev->rbpl_pool, GFP_KERNEL|GFP_DMA, &dma_handle);
 		if (cpuaddr == NULL)
 			return -ENOMEM;
-#else
-		cpuaddr = he_dev->rbpl_pages + (i * CONFIG_RBPL_BUFSIZE);
-		dma_handle = he_dev->rbpl_pages_phys + (i * CONFIG_RBPL_BUFSIZE);
-#endif
 
 		he_dev->rbpl_virt[i].virt = cpuaddr;
 		he_dev->rbpl_base[i].status = RBP_LOANED | (i << RBP_INDEX_OFF);
···
 
 	he_init_tpdrq(he_dev);
 
-#ifdef USE_TPD_POOL
 	he_dev->tpd_pool = pci_pool_create("tpd", he_dev->pci_dev,
 		sizeof(struct he_tpd), TPD_ALIGNMENT, 0);
 	if (he_dev->tpd_pool == NULL) {
···
 	}
 
 	INIT_LIST_HEAD(&he_dev->outstanding_tpds);
-#else
-	he_dev->tpd_base = (void *) pci_alloc_consistent(he_dev->pci_dev,
-			CONFIG_NUMTPDS * sizeof(struct he_tpd), &he_dev->tpd_base_phys);
-	if (!he_dev->tpd_base)
-		return -ENOMEM;
-
-	for (i = 0; i < CONFIG_NUMTPDS; ++i) {
-		he_dev->tpd_base[i].status = (i << TPD_ADDR_SHIFT);
-		he_dev->tpd_base[i].inuse = 0;
-	}
-		
-	he_dev->tpd_head = he_dev->tpd_base;
-	he_dev->tpd_end = &he_dev->tpd_base[CONFIG_NUMTPDS - 1];
-#endif
 
 	if (he_init_group(he_dev, 0) != 0)
 		return -ENOMEM;
···
 		gen_cntl_0 &= ~(INT_PROC_ENBL | INIT_ENB);
 		pci_write_config_dword(pci_dev, GEN_CNTL_0, gen_cntl_0);
 
-#ifdef USE_TASKLET
 		tasklet_disable(&he_dev->tasklet);
-#endif
 
 		/* disable recv and transmit */
 
···
 						he_dev->hsp, he_dev->hsp_phys);
 
 	if (he_dev->rbpl_base) {
-#ifdef USE_RBPL_POOL
 		int i;
 
 		for (i = 0; i < CONFIG_RBPL_SIZE; ++i) {
···
 
 			pci_pool_free(he_dev->rbpl_pool, cpuaddr, dma_handle);
 		}
-#else
-		pci_free_consistent(he_dev->pci_dev, CONFIG_RBPL_SIZE
-			* CONFIG_RBPL_BUFSIZE, he_dev->rbpl_pages, he_dev->rbpl_pages_phys);
-#endif
 		pci_free_consistent(he_dev->pci_dev, CONFIG_RBPL_SIZE
 			* sizeof(struct he_rbp), he_dev->rbpl_base, he_dev->rbpl_phys);
 	}
 
-#ifdef USE_RBPL_POOL
 	if (he_dev->rbpl_pool)
 		pci_pool_destroy(he_dev->rbpl_pool);
-#endif
 
-#ifdef USE_RBPS
 	if (he_dev->rbps_base) {
-#ifdef USE_RBPS_POOL
 		int i;
 
 		for (i = 0; i < CONFIG_RBPS_SIZE; ++i) {
···
 
 			pci_pool_free(he_dev->rbps_pool, cpuaddr, dma_handle);
 		}
-#else
-		pci_free_consistent(he_dev->pci_dev, CONFIG_RBPS_SIZE
-			* CONFIG_RBPS_BUFSIZE, he_dev->rbps_pages, he_dev->rbps_pages_phys);
-#endif
 		pci_free_consistent(he_dev->pci_dev, CONFIG_RBPS_SIZE
 			* sizeof(struct he_rbp), he_dev->rbps_base, he_dev->rbps_phys);
 	}
 
-#ifdef USE_RBPS_POOL
 	if (he_dev->rbps_pool)
 		pci_pool_destroy(he_dev->rbps_pool);
-#endif
-
-#endif /* USE_RBPS */
 
 	if (he_dev->rbrq_base)
 		pci_free_consistent(he_dev->pci_dev, CONFIG_RBRQ_SIZE * sizeof(struct he_rbrq),
···
 		pci_free_consistent(he_dev->pci_dev, CONFIG_TBRQ_SIZE * sizeof(struct he_tbrq),
 							he_dev->tpdrq_base, he_dev->tpdrq_phys);
 
-#ifdef USE_TPD_POOL
 	if (he_dev->tpd_pool)
 		pci_pool_destroy(he_dev->tpd_pool);
-#else
-	if (he_dev->tpd_base)
-		pci_free_consistent(he_dev->pci_dev, CONFIG_NUMTPDS * sizeof(struct he_tpd),
-							he_dev->tpd_base, he_dev->tpd_base_phys);
-#endif
 
 	if (he_dev->pci_dev) {
 		pci_read_config_word(he_dev->pci_dev, PCI_COMMAND, &command);
···
 static struct he_tpd *
 __alloc_tpd(struct he_dev *he_dev)
 {
-#ifdef USE_TPD_POOL
 	struct he_tpd *tpd;
 	dma_addr_t dma_handle; 
 
···
 	tpd->iovec[2].addr = 0; tpd->iovec[2].len = 0;
 
 	return tpd;
-#else
-	int i;
-
-	for (i = 0; i < CONFIG_NUMTPDS; ++i) {
-		++he_dev->tpd_head;
-		if (he_dev->tpd_head > he_dev->tpd_end) {
-			he_dev->tpd_head = he_dev->tpd_base;
-		}
-
-		if (!he_dev->tpd_head->inuse) {
-			he_dev->tpd_head->inuse = 1;
-			he_dev->tpd_head->status &= TPD_MASK;
-			he_dev->tpd_head->iovec[0].addr = 0; he_dev->tpd_head->iovec[0].len = 0;
-			he_dev->tpd_head->iovec[1].addr = 0; he_dev->tpd_head->iovec[1].len = 0;
-			he_dev->tpd_head->iovec[2].addr = 0; he_dev->tpd_head->iovec[2].len = 0;
-			return he_dev->tpd_head;
-		}
-	}
-	hprintk("out of tpds -- increase CONFIG_NUMTPDS (%d)\n", CONFIG_NUMTPDS);
-	return NULL;
-#endif
 }
 
 #define AAL5_LEN(buf,len) 						\
···
 			RBRQ_CON_CLOSED(he_dev->rbrq_head) ? " CON_CLOSED" : "",
 			RBRQ_HBUF_ERR(he_dev->rbrq_head) ? " HBUF_ERR" : "");
 
-#ifdef USE_RBPS
 		if (RBRQ_ADDR(he_dev->rbrq_head) & RBP_SMALLBUF)
 			rbp = &he_dev->rbps_base[RBP_INDEX(RBRQ_ADDR(he_dev->rbrq_head))];
 		else
-#endif
 			rbp = &he_dev->rbpl_base[RBP_INDEX(RBRQ_ADDR(he_dev->rbrq_head))];
 		
 		buf_len = RBRQ_BUFLEN(he_dev->rbrq_head) * 4;
···
 
 		for (iov = he_vcc->iov_head;
 				iov < he_vcc->iov_tail; ++iov) {
-#ifdef USE_RBPS
 			if (iov->iov_base & RBP_SMALLBUF)
 				memcpy(skb_put(skb, iov->iov_len),
 					he_dev->rbps_virt[RBP_INDEX(iov->iov_base)].virt, iov->iov_len);
 			else
-#endif
 				memcpy(skb_put(skb, iov->iov_len),
 					he_dev->rbpl_virt[RBP_INDEX(iov->iov_base)].virt, iov->iov_len);
 		}
···
 
 		for (iov = he_vcc->iov_head;
 				iov < he_vcc->iov_tail; ++iov) {
-#ifdef USE_RBPS
 			if (iov->iov_base & RBP_SMALLBUF)
 				rbp = &he_dev->rbps_base[RBP_INDEX(iov->iov_base)];
 			else
-#endif
 				rbp = &he_dev->rbpl_base[RBP_INDEX(iov->iov_base)];
 
 			rbp->status &= ~RBP_LOANED;
···
 					he_dev->hsp->group[group].tbrq_tail);
 	struct he_tpd *tpd;
 	int slot, updated = 0;
-#ifdef USE_TPD_POOL
 	struct he_tpd *__tpd;
-#endif
 
 	/* 2.1.6 transmit buffer return queue */
 
···
 			TBRQ_TPD(he_dev->tbrq_head), 
 			TBRQ_EOS(he_dev->tbrq_head) ? " EOS" : "",
 			TBRQ_MULTIPLE(he_dev->tbrq_head) ? " MULTIPLE" : "");
-#ifdef USE_TPD_POOL
 		tpd = NULL;
 		list_for_each_entry(__tpd, &he_dev->outstanding_tpds, entry) {
 			if (TPD_ADDR(__tpd->status) == TBRQ_TPD(he_dev->tbrq_head)) {
···
 						TBRQ_TPD(he_dev->tbrq_head));
 			goto next_tbrq_entry;
 		}
-#else
-		tpd = &he_dev->tpd_base[ TPD_INDEX(TBRQ_TPD(he_dev->tbrq_head)) ];
-#endif
 
 		if (TBRQ_EOS(he_dev->tbrq_head)) {
 			HPRINTK("wake_up(tx_waitq) cid 0x%x\n",
···
 		}
 
 next_tbrq_entry:
-#ifdef USE_TPD_POOL
 		if (tpd)
 			pci_pool_free(he_dev->tpd_pool, tpd, TPD_ADDR(tpd->status));
-#else
-		tpd->inuse = 0;
-#endif
 		he_dev->tbrq_head = (struct he_tbrq *)
 				((unsigned long) he_dev->tbrq_base |
 					TBRQ_MASK(++he_dev->tbrq_head));
···
 		he_writel(he_dev, RBPL_MASK(he_dev->rbpl_tail), G0_RBPL_T);
 }
 
-#ifdef USE_RBPS
 static void
 he_service_rbps(struct he_dev *he_dev, int group)
 {
···
 	if (moved)
 		he_writel(he_dev, RBPS_MASK(he_dev->rbps_tail), G0_RBPS_T);
 }
-#endif /* USE_RBPS */
 
 static void
 he_tasklet(unsigned long data)
···
 	int updated = 0;
 
 	HPRINTK("tasklet (0x%lx)\n", data);
-#ifdef USE_TASKLET
 	spin_lock_irqsave(&he_dev->global_lock, flags);
-#endif
 
 	while (he_dev->irq_head != he_dev->irq_tail) {
 		++updated;
···
 			case ITYPE_RBRQ_TIMER:
 				if (he_service_rbrq(he_dev, group)) {
 					he_service_rbpl(he_dev, group);
-#ifdef USE_RBPS
 					he_service_rbps(he_dev, group);
-#endif /* USE_RBPS */
 				}
 				break;
 			case ITYPE_TBRQ_THRESH:
···
 				he_service_rbpl(he_dev, group);
 				break;
 			case ITYPE_RBPS_THRESH:
-#ifdef USE_RBPS
 				he_service_rbps(he_dev, group);
-#endif /* USE_RBPS */
 				break;
 			case ITYPE_PHY:
 				HPRINTK("phy interrupt\n");
···
 
 				he_service_rbrq(he_dev, 0);
 				he_service_rbpl(he_dev, 0);
-#ifdef USE_RBPS
 				he_service_rbps(he_dev, 0);
-#endif /* USE_RBPS */
 				he_service_tbrq(he_dev, 0);
 				break;
 			default:
···
 			IRQ_TAIL(he_dev->irq_tail), IRQ0_HEAD);
 		(void) he_readl(he_dev, INT_FIFO); /* 8.1.2 controller errata; flush posted writes */
 	}
-#ifdef USE_TASKLET
 	spin_unlock_irqrestore(&he_dev->global_lock, flags);
-#endif
 }
 
 static irqreturn_t
···
 
 	if (he_dev->irq_head != he_dev->irq_tail) {
 		handled = 1;
-#ifdef USE_TASKLET
 		tasklet_schedule(&he_dev->tasklet);
-#else
-		he_tasklet((unsigned long) he_dev);
-#endif
 		he_writel(he_dev, INT_CLEAR_A, INT_FIFO);	/* clear interrupt */
 		(void) he_readl(he_dev, INT_FIFO);		/* flush posted writes */
 	}
···
 					dev_kfree_skb_any(tpd->skb);
 				atomic_inc(&tpd->vcc->stats->tx_err);
 			}
-#ifdef USE_TPD_POOL
 			pci_pool_free(he_dev->tpd_pool, tpd, TPD_ADDR(tpd->status));
-#else
-			tpd->inuse = 0;
-#endif
 			return;
 		}
 	}
 
 	/* 2.1.5 transmit packet descriptor ready queue */
-#ifdef USE_TPD_POOL
 	list_add_tail(&tpd->entry, &he_dev->outstanding_tpds);
 	he_dev->tpdrq_tail->tpd = TPD_ADDR(tpd->status);
-#else
-	he_dev->tpdrq_tail->tpd = he_dev->tpd_base_phys +
-				(TPD_INDEX(tpd->status) * sizeof(struct he_tpd));
-#endif
 	he_dev->tpdrq_tail->cid = cid;
 	wmb();
 
···
 			goto open_failed;
 		}
 
-#ifdef USE_RBPS
 		rsr1 = RSR1_GROUP(0);
 		rsr4 = RSR4_GROUP(0);
-#else /* !USE_RBPS */
-		rsr1 = RSR1_GROUP(0)|RSR1_RBPL_ONLY;
-		rsr4 = RSR4_GROUP(0)|RSR4_RBPL_ONLY;
-#endif /* USE_RBPS */
 		rsr0 = vcc->qos.rxtp.traffic_class == ATM_UBR ? 
 				(RSR0_EPD_ENABLE|RSR0_PPD_ENABLE) : 0;
 

drivers/atm/he.h

···
 #define CONFIG_IRQ_SIZE		128
 #define CONFIG_IRQ_THRESH	(CONFIG_IRQ_SIZE/2)
 
-#define CONFIG_NUMTPDS		256
-
 #define CONFIG_TPDRQ_SIZE	512
 #define TPDRQ_MASK(x)		(((unsigned long)(x))&((CONFIG_TPDRQ_SIZE<<3)-1))
 
···
 	struct sk_buff *skb;
 	struct atm_vcc *vcc;
 
-#ifdef USE_TPD_POOL
 	struct list_head entry;
-#else
-	u32 inuse;
-	char padding[32 - sizeof(u32) - (2*sizeof(void*))];
-#endif
 };
 
 #define TPD_ALIGNMENT	64
···
 	volatile unsigned *irq_tailoffset;
 	int irq_peak;
 
-#ifdef USE_TASKLET
 	struct tasklet_struct tasklet;
-#endif
-#ifdef USE_TPD_POOL
 	struct pci_pool *tpd_pool;
 	struct list_head outstanding_tpds;
-#else
-	struct he_tpd *tpd_head, *tpd_base, *tpd_end;
-	dma_addr_t tpd_base_phys;
-#endif
 
 	dma_addr_t tpdrq_phys;
 	struct he_tpdrq *tpdrq_base, *tpdrq_tail, *tpdrq_head;
···
 	struct he_rbrq *rbrq_base, *rbrq_head;
 	int rbrq_peak;
 
-#ifdef USE_RBPL_POOL
 	struct pci_pool *rbpl_pool;
-#else
-	void *rbpl_pages;
-	dma_addr_t rbpl_pages_phys;
-#endif
 	dma_addr_t rbpl_phys;
 	struct he_rbp *rbpl_base, *rbpl_tail;
 	struct he_virt *rbpl_virt;
 	int rbpl_peak;
 
-#ifdef USE_RBPS
-#ifdef USE_RBPS_POOL
 	struct pci_pool *rbps_pool;
-#else
-	void *rbps_pages;
-	dma_addr_t rbps_pages_phys;
-#endif
-#endif
 	dma_addr_t rbps_phys;
 	struct he_rbp *rbps_base, *rbps_tail;
 	struct he_virt *rbps_virt;