drivers/net: Trim trailing whitespace

Signed-off-by: Jeff Garzik <jeff@garzik.org>

1 files changed, 77 insertions, 77 deletions

diff --git a/drivers/net/hp100.c b/drivers/net/hp100.c
index ff5a67d619bb..03b3df33d81b 100644
--- a/drivers/net/hp100.c
+++ b/drivers/net/hp100.c
@@ -1,24 +1,24 @@
 /*
-** hp100.c 
+** hp100.c
 ** HP CASCADE Architecture Driver for 100VG-AnyLan Network Adapters
 **
 ** $Id: hp100.c,v 1.58 2001/09/24 18:03:01 perex Exp perex $
 **
 ** Based on the HP100 driver written by Jaroslav Kysela <perex@jcu.cz>
-** Extended for new busmaster capable chipsets by 
+** Extended for new busmaster capable chipsets by
 ** Siegfried "Frieder" Loeffler (dg1sek) <floeff@mathematik.uni-stuttgart.de>
 **
 ** Maintained by: Jaroslav Kysela <perex@suse.cz>
-** 
+**
 ** This driver has only been tested with
 ** -- HP J2585B 10/100 Mbit/s PCI Busmaster
-** -- HP J2585A 10/100 Mbit/s PCI 
+** -- HP J2585A 10/100 Mbit/s PCI
 ** -- HP J2970A 10 Mbit/s PCI Combo 10base-T/BNC
 ** -- HP J2973A 10 Mbit/s PCI 10base-T
 ** -- HP J2573  10/100 ISA
 ** -- Compex ReadyLink ENET100-VG4  10/100 Mbit/s PCI / EISA
 ** -- Compex FreedomLine 100/VG  10/100 Mbit/s ISA / EISA / PCI
-** 
+**
 ** but it should also work with the other CASCADE based adapters.
 **
 ** TODO:
@@ -65,7 +65,7 @@
 **   - timing changes in xmit routines, relogin to 100VG hub added when
 **     driver does reset
 **   - included fix for Compex FreedomLine PCI adapter
-** 
+**
 ** 1.54 -> 1.55
 **   - fixed bad initialization in init_module
 **   - added Compex FreedomLine adapter
@@ -73,10 +73,10 @@
 **
 ** 1.53 -> 1.54
 **   - added hardware multicast filter support (doesn't work)
-**   - little changes in hp100_sense_lan routine 
+**   - little changes in hp100_sense_lan routine
 **     - added support for Coax and AUI (J2970)
 **   - fix for multiple cards and hp100_mode parameter (insmod)
-**   - fix for shared IRQ 
+**   - fix for shared IRQ
 **
 ** 1.52 -> 1.53
 **   - fixed bug in multicast support
@@ -286,7 +286,7 @@ static inline dma_addr_t virt_to_whatever(struct net_device *dev, u32 * ptr)
 
 static inline u_int pdl_map_data(struct hp100_private *lp, void *data)
 {
-        return pci_map_single(lp->pci_dev, data, 
+        return pci_map_single(lp->pci_dev, data,
                               MAX_ETHER_SIZE, PCI_DMA_FROMDEVICE);
 }
 
@@ -353,7 +353,7 @@ static __init int hp100_isa_probe1(struct net_device *dev, int ioaddr)
                 goto err;
 
         for (i = 0; i < ARRAY_SIZE(hp100_isa_tbl); i++) {
-                if (!strcmp(hp100_isa_tbl[i], sig)) 
+                if (!strcmp(hp100_isa_tbl[i], sig))
                         break;
 
         }
@@ -373,11 +373,11 @@ static int  __init hp100_isa_probe(struct net_device *dev, int addr)
 {
         int err = -ENODEV;
 
-        /* Probe for a specific ISA address */          
+        /* Probe for a specific ISA address */
         if (addr > 0xff && addr < 0x400)
                 err = hp100_isa_probe1(dev, addr);
 
-        else if (addr != 0) 
+        else if (addr != 0)
                 err = -ENXIO;
 
         else {
@@ -448,7 +448,7 @@ static int __devinit hp100_probe1(struct net_device *dev, int ioaddr,
         if (!request_region(ioaddr, HP100_REGION_SIZE, "hp100"))
                 goto out1;
 
-        if (hp100_inw(HW_ID) != HP100_HW_ID_CASCADE) 
+        if (hp100_inw(HW_ID) != HP100_HW_ID_CASCADE)
                 goto out2;
 
         chip = hp100_inw(PAGING) & HP100_CHIPID_MASK;
@@ -491,7 +491,7 @@ static int __devinit hp100_probe1(struct net_device *dev, int ioaddr,
          * Use the variable "hp100_mode" upon insmod or as kernel parameter to
          * force driver modes:
          * hp100_mode=1 -> default, use busmaster mode if configured.
-         * hp100_mode=2 -> enable shared memory mode 
+         * hp100_mode=2 -> enable shared memory mode
          * hp100_mode=3 -> force use of i/o mapped mode.
          * hp100_mode=4 -> same as 1, but re-set the enable bit on the card.
          */
@@ -689,9 +689,9 @@ static int __devinit hp100_probe1(struct net_device *dev, int ioaddr,
         hp100_clear_stats(lp, ioaddr);
 
         /* If busmaster mode is wanted, a dma-capable memory area is needed for
-         * the rx and tx PDLs 
+         * the rx and tx PDLs
          * PCI cards can access the whole PC memory. Therefore GFP_DMA is not
-         * needed for the allocation of the memory area. 
+         * needed for the allocation of the memory area.
          */
 
         /* TODO: We do not need this with old cards, where PDLs are stored
@@ -718,7 +718,7 @@ static int __devinit hp100_probe1(struct net_device *dev, int ioaddr,
         }
 
         /* Initialise the card. */
-        /* (I'm not really sure if it's a good idea to do this during probing, but 
+        /* (I'm not really sure if it's a good idea to do this during probing, but
          * like this it's assured that the lan connection type can be sensed
          * correctly)
          */
@@ -778,8 +778,8 @@ static int __devinit hp100_probe1(struct net_device *dev, int ioaddr,
         return 0;
 out3:
         if (local_mode == 1)
-                pci_free_consistent(lp->pci_dev, MAX_RINGSIZE + 0x0f, 
-                                    lp->page_vaddr_algn, 
+                pci_free_consistent(lp->pci_dev, MAX_RINGSIZE + 0x0f,
+                                    lp->page_vaddr_algn,
                                     virt_to_whatever(dev, lp->page_vaddr_algn));
         if (mem_ptr_virt)
                 iounmap(mem_ptr_virt);
@@ -860,7 +860,7 @@ static void hp100_hwinit(struct net_device *dev)
         /* Next comes code from mmuinit procedure of SCO BM driver which is
          * called from HWconfigure in the SCO driver.  */
 
-        /* Initialise MMU, eventually switch on Busmaster Mode, initialise 
+        /* Initialise MMU, eventually switch on Busmaster Mode, initialise
          * multicast filter...
          */
         hp100_mmuinit(dev);
@@ -878,11 +878,11 @@ static void hp100_hwinit(struct net_device *dev)
                 hp100_login_to_vg_hub(dev, 0);  /* relogin */
 
 }
-
 
-/* 
+
+/*
  * mmuinit - Reinitialise Cascade MMU and MAC settings.
- * Note: Must already be in reset and leaves card in reset. 
+ * Note: Must already be in reset and leaves card in reset.
  */
 static void hp100_mmuinit(struct net_device *dev)
 {
@@ -908,7 +908,7 @@ static void hp100_mmuinit(struct net_device *dev)
         hp100_outw(0xffff, IRQ_STATUS); /* ack IRQ */
 
         /*
-         * Enable Hardware 
+         * Enable Hardware
          * - Clear Debug En, Rx Hdr Pipe, EE En, I/O En, Fake Int and Intr En
          * - Set Tri-State Int, Bus Master Rd/Wr, and Mem Map Disable
          * - Clear Priority, Advance Pkt and Xmit Cmd
@@ -983,7 +983,7 @@ static void hp100_mmuinit(struct net_device *dev)
                          * 4 bytes for header). We will leave NUM_RXPDLS * 508 (rounded
                          * to the next higher 1k boundary) bytes for the rx-pdl's
                          * Note: For non-etr chips the transmit stop register must be
-                         * programmed on a 1k boundary, i.e. bits 9:0 must be zero. 
+                         * programmed on a 1k boundary, i.e. bits 9:0 must be zero.
                          */
                         pdl_stop = lp->memory_size;
                         xmit_stop = (pdl_stop - 508 * (MAX_RX_PDL) - 16) & ~(0x03ff);
@@ -1131,10 +1131,10 @@ static int hp100_close(struct net_device *dev)
 
         return 0;
 }
-
+
 
 /*
- * Configure the PDL Rx rings and LAN 
+ * Configure the PDL Rx rings and LAN
  */
 static void hp100_init_pdls(struct net_device *dev)
 {
@@ -1182,7 +1182,7 @@ static void hp100_init_pdls(struct net_device *dev)
                 }
         }
 }
-
+
 
 /* These functions "format" the entries in the pdl structure   */
 /* They return how much memory the fragments need.            */
@@ -1200,10 +1200,10 @@ static int hp100_init_rxpdl(struct net_device *dev,
         ringptr->pdl_paddr = virt_to_whatever(dev, pdlptr + 1);
         ringptr->skb = (void *) NULL;
 
-        /* 
+        /*
          * Write address and length of first PDL Fragment (which is used for
          * storing the RX-Header
-         * We use the 4 bytes _before_ the PDH in the pdl memory area to 
+         * We use the 4 bytes _before_ the PDH in the pdl memory area to
          * store this information. (PDH is at offset 0x04)
          */
         /* Note that pdlptr+1 and not pdlptr is the pointer to the PDH */
@@ -1230,9 +1230,9 @@ static int hp100_init_txpdl(struct net_device *dev,
 }
 
 /*
- * hp100_build_rx_pdl allocates an skb_buff of maximum size plus two bytes 
+ * hp100_build_rx_pdl allocates an skb_buff of maximum size plus two bytes
  * for possible odd word alignment rounding up to next dword and set PDL
- * address for fragment#2 
+ * address for fragment#2
  * Returns: 0 if unable to allocate skb_buff
  *          1 if successful
  */
@@ -1252,13 +1252,13 @@ static int hp100_build_rx_pdl(hp100_ring_t * ringptr,
 #endif
 
         /* Allocate skb buffer of maximum size */
-        /* Note: This depends on the alloc_skb functions allocating more 
+        /* Note: This depends on the alloc_skb functions allocating more
          * space than requested, i.e. aligning to 16bytes */
 
         ringptr->skb = dev_alloc_skb(((MAX_ETHER_SIZE + 2 + 3) / 4) * 4);
 
         if (NULL != ringptr->skb) {
-                /* 
+                /*
                  * Reserve 2 bytes at the head of the buffer to land the IP header
                  * on a long word boundary (According to the Network Driver section
                  * in the Linux KHG, this should help to increase performance.)
@@ -1270,10 +1270,10 @@ static int hp100_build_rx_pdl(hp100_ring_t * ringptr,
 
                 /* ringptr->pdl points to the beginning of the PDL, i.e. the PDH */
                 /* Note: 1st Fragment is used for the 4 byte packet status
-                 * (receive header). Its PDL entries are set up by init_rxpdl. So 
+                 * (receive header). Its PDL entries are set up by init_rxpdl. So
                  * here we only have to set up the PDL fragment entries for the data
-                 * part. Those 4 bytes will be stored in the DMA memory region 
-                 * directly before the PDL. 
+                 * part. Those 4 bytes will be stored in the DMA memory region
+                 * directly before the PDL.
                  */
 #ifdef HP100_DEBUG_BM
                 printk("hp100: %s: build_rx_pdl: PDH@0x%x, skb->data (len %d) at 0x%x\n",
@@ -1285,7 +1285,7 @@ static int hp100_build_rx_pdl(hp100_ring_t * ringptr,
                 /* Conversion to new PCI API : map skbuf data to PCI bus.
                  * Doc says it's OK for EISA as well - Jean II */
                 ringptr->pdl[0] = 0x00020000;   /* Write PDH */
-                ringptr->pdl[3] = pdl_map_data(netdev_priv(dev), 
+                ringptr->pdl[3] = pdl_map_data(netdev_priv(dev),
                                                ringptr->skb->data);
                 ringptr->pdl[4] = MAX_ETHER_SIZE;       /* Length of Data */
 
@@ -1406,7 +1406,7 @@ static void hp100_BM_shutdown(struct net_device *dev)
                         }
                 } else {        /* Shasta or Rainier Shutdown/Reset */
                         /* To ensure all bus master inloading activity has ceased,
-                         * wait for no Rx PDAs or no Rx packets on card. 
+                         * wait for no Rx PDAs or no Rx packets on card.
                          */
                         hp100_page(PERFORMANCE);
                         /* 100 ms timeout */
@@ -1422,7 +1422,7 @@ static void hp100_BM_shutdown(struct net_device *dev)
 
                         /* To ensure all bus master outloading activity has ceased,
                          * wait until the Tx PDA count goes to zero or no more Tx space
-                         * available in the Tx region of the card. 
+                         * available in the Tx region of the card.
                          */
                         /* 100 ms timeout */
                         for (time = 0; time < 10000; time++) {
@@ -1461,7 +1461,7 @@ static int hp100_check_lan(struct net_device *dev)
         return 0;
 }
 
-/* 
+/*
  *  transmit functions
  */
 
@@ -1485,7 +1485,7 @@ static int hp100_start_xmit_bm(struct sk_buff *skb, struct net_device *dev)
 
         if (skb->len <= 0)
                 return 0;
-                
+
         if (lp->chip == HP100_CHIPID_SHASTA && skb_padto(skb, ETH_ZLEN))
                 return 0;
 
@@ -1575,14 +1575,14 @@ static int hp100_start_xmit_bm(struct sk_buff *skb, struct net_device *dev)
 
         return 0;
 }
-
+
 
 /* clean_txring checks if packets have been sent by the card by reading
  * the TX_PDL register from the performance page and comparing it to the
  * number of commited packets. It then frees the skb's of the packets that
  * obviously have been sent to the network.
  *
- * Needs the PERFORMANCE page selected. 
+ * Needs the PERFORMANCE page selected.
  */
 static void hp100_clean_txring(struct net_device *dev)
 {
@@ -1743,15 +1743,15 @@ static int hp100_start_xmit(struct sk_buff *skb, struct net_device *dev)
 
         return 0;
 }
-
+
 
 /*
  * Receive Function (Non-Busmaster mode)
- * Called when an "Receive Packet" interrupt occurs, i.e. the receive 
+ * Called when an "Receive Packet" interrupt occurs, i.e. the receive
  * packet counter is non-zero.
  * For non-busmaster, this function does the whole work of transfering
  * the packet to the host memory and then up to higher layers via skb
- * and netif_rx. 
+ * and netif_rx.
  */
 
 static void hp100_rx(struct net_device *dev)
@@ -1854,7 +1854,7 @@ static void hp100_rx(struct net_device *dev)
 #endif
 }
 
-/* 
+/*
  * Receive Function for Busmaster Mode
  */
 static void hp100_rx_bm(struct net_device *dev)
@@ -1875,7 +1875,7 @@ static void hp100_rx_bm(struct net_device *dev)
                 printk("hp100: %s: rx_bm called although no PDLs were committed to adapter?\n", dev->name);
                 return;
         } else
-                /* RX_PKT_CNT states how many PDLs are currently formatted and available to 
+                /* RX_PKT_CNT states how many PDLs are currently formatted and available to
                  * the cards BM engine */
         if ((hp100_inw(RX_PKT_CNT) & 0x00ff) >= lp->rxrcommit) {
                 printk("hp100: %s: More packets received than commited? RX_PKT_CNT=0x%x, commit=0x%x\n",
@@ -1888,7 +1888,7 @@ static void hp100_rx_bm(struct net_device *dev)
         while ((lp->rxrcommit > hp100_inb(RX_PDL))) {
                 /*
                  * The packet was received into the pdl pointed to by lp->rxrhead (
-                 * the oldest pdl in the ring 
+                 * the oldest pdl in the ring
                  */
 
                 /* First we get the header, which contains information about the */
@@ -2043,7 +2043,7 @@ static void hp100_clear_stats(struct hp100_private *lp, int ioaddr)
         hp100_page(PERFORMANCE);
         spin_unlock_irqrestore(&lp->lock, flags);
 }
-
+
 
 /*
  *  multicast setup
@@ -2220,9 +2220,9 @@ static irqreturn_t hp100_interrupt(int irq, void *dev_id, struct pt_regs *regs)
         /* We're only interested in those interrupts we really enabled. */
         /* val &= hp100_inw( IRQ_MASK ); */
 
-        /* 
-         * RX_PDL_FILL_COMPL is set whenever a RX_PDL has been executed. A RX_PDL 
-         * is considered executed whenever the RX_PDL data structure is no longer 
+        /*
+         * RX_PDL_FILL_COMPL is set whenever a RX_PDL has been executed. A RX_PDL
+         * is considered executed whenever the RX_PDL data structure is no longer
          * needed.
          */
         if (val & HP100_RX_PDL_FILL_COMPL) {
@@ -2233,7 +2233,7 @@ static irqreturn_t hp100_interrupt(int irq, void *dev_id, struct pt_regs *regs)
                 }
         }
 
-        /* 
+        /*
          * The RX_PACKET interrupt is set, when the receive packet counter is
          * non zero. We use this interrupt for receiving in slave mode. In
          * busmaster mode, we use it to make sure we did not miss any rx_pdl_fill
@@ -2259,10 +2259,10 @@ static irqreturn_t hp100_interrupt(int irq, void *dev_id, struct pt_regs *regs)
         hp100_outw(val, IRQ_STATUS);
 
         /*
-         * RX_ERROR is set when a packet is dropped due to no memory resources on 
-         * the card or when a RCV_ERR occurs. 
-         * TX_ERROR is set when a TX_ABORT condition occurs in the MAC->exists  
-         * only in the 802.3 MAC and happens when 16 collisions occur during a TX 
+         * RX_ERROR is set when a packet is dropped due to no memory resources on
+         * the card or when a RCV_ERR occurs.
+         * TX_ERROR is set when a TX_ABORT condition occurs in the MAC->exists
+         * only in the 802.3 MAC and happens when 16 collisions occur during a TX
          */
         if (val & (HP100_TX_ERROR | HP100_RX_ERROR)) {
 #ifdef HP100_DEBUG_IRQ
@@ -2275,20 +2275,20 @@ static irqreturn_t hp100_interrupt(int irq, void *dev_id, struct pt_regs *regs)
                 }
         }
 
-        /* 
-         * RX_PDA_ZERO is set when the PDA count goes from non-zero to zero. 
+        /*
+         * RX_PDA_ZERO is set when the PDA count goes from non-zero to zero.
          */
         if ((lp->mode == 1) && (val & (HP100_RX_PDA_ZERO)))
                 hp100_rxfill(dev);
 
-        /* 
-         * HP100_TX_COMPLETE interrupt occurs when packet transmitted on wire 
-         * is completed 
+        /*
+         * HP100_TX_COMPLETE interrupt occurs when packet transmitted on wire
+         * is completed
          */
         if ((lp->mode == 1) && (val & (HP100_TX_COMPLETE)))
                 hp100_clean_txring(dev);
 
-        /* 
+        /*
          * MISC_ERROR is set when either the LAN link goes down or a detected
          * bus error occurs.
          */
@@ -2471,12 +2471,12 @@ static int hp100_sense_lan(struct net_device *dev)
 
         /* Those cards don't have a 100 Mbit connector */
         if ( !strcmp(lp->id, "HWP1920")  ||
-             (lp->pci_dev && 
-              lp->pci_dev->vendor == PCI_VENDOR_ID && 
+             (lp->pci_dev &&
+              lp->pci_dev->vendor == PCI_VENDOR_ID &&
               (lp->pci_dev->device == PCI_DEVICE_ID_HP_J2970A ||
                lp->pci_dev->device == PCI_DEVICE_ID_HP_J2973A)))
                 return HP100_LAN_ERR;
-        
+
         if (val_VG & HP100_LINK_CABLE_ST)       /* Can hear the HUBs tone. */
                 return HP100_LAN_100;
         return HP100_LAN_ERR;
@@ -2822,8 +2822,8 @@ static void cleanup_dev(struct net_device *d)
         release_region(d->base_addr, HP100_REGION_SIZE);
 
         if (p->mode == 1)       /* busmaster */
-                pci_free_consistent(p->pci_dev, MAX_RINGSIZE + 0x0f, 
-                                    p->page_vaddr_algn, 
+                pci_free_consistent(p->pci_dev, MAX_RINGSIZE + 0x0f,
+                                    p->page_vaddr_algn,
                                     virt_to_whatever(d, p->page_vaddr_algn));
         if (p->mem_ptr_virt)
                 iounmap(p->mem_ptr_virt);
@@ -2849,7 +2849,7 @@ static int __init hp100_eisa_probe (struct device *gendev)
                 goto out1;
 
 #ifdef HP100_DEBUG
-        printk("hp100: %s: EISA adapter found at 0x%x\n", dev->name, 
+        printk("hp100: %s: EISA adapter found at 0x%x\n", dev->name,
                dev->base_addr);
 #endif
         gendev->driver_data = dev;
@@ -2913,12 +2913,12 @@ static int __devinit hp100_pci_probe (struct pci_dev *pdev,
                 pci_command |= PCI_COMMAND_MASTER;
                 pci_write_config_word(pdev, PCI_COMMAND, pci_command);
         }
-        
+
         ioaddr = pci_resource_start(pdev, 0);
         err = hp100_probe1(dev, ioaddr, HP100_BUS_PCI, pdev);
-        if (err) 
+        if (err)
                 goto out1;
-        
+
 #ifdef HP100_DEBUG
         printk("hp100: %s: PCI adapter found at 0x%x\n", dev->name, ioaddr);
 #endif
@@ -3003,7 +3003,7 @@ static int __init hp100_isa_init(void)
         return cards > 0 ? 0 : -ENODEV;
 }
 
-static void __exit hp100_isa_cleanup(void) 
+static void __exit hp100_isa_cleanup(void)
 {
         int i;
 
@@ -3027,12 +3027,12 @@ static int __init hp100_module_init(void)
                 goto out;
 #ifdef CONFIG_EISA
         err = eisa_driver_register(&hp100_eisa_driver);
-        if (err && err != -ENODEV) 
+        if (err && err != -ENODEV)
                 goto out2;
 #endif
 #ifdef CONFIG_PCI
         err = pci_module_init(&hp100_pci_driver);
-        if (err && err != -ENODEV) 
+        if (err && err != -ENODEV)
                 goto out3;
 #endif
  out: