drivers/net/mac8390.c: Checkpatch cleanups
Use #include <linux/ not #include <asm/ Add spaces after arguments Comment neatening Make a couple of arrays static const Align function arguments Wrap text at 80 columns where reasonable Cuddle brace else Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Joe Perches
David S. Miller
Родитель
18c0019102
Коммит
8e4d9696b4
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@ -36,9 +36,9 @@
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#include <linux/etherdevice.h>
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#include <linux/skbuff.h>
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#include <linux/bitops.h>
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#include <linux/io.h>
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#include <asm/system.h>
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#include <asm/io.h>
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#include <asm/dma.h>
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#include <asm/hwtest.h>
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#include <asm/macints.h>
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@ -47,20 +47,25 @@ static char version[] =
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"v0.4 2001-05-15 David Huggins-Daines <dhd@debian.org> and others\n";
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#define EI_SHIFT(x) (ei_local->reg_offset[x])
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#define ei_inb(port) in_8(port)
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#define ei_outb(val,port) out_8(port,val)
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#define ei_inb_p(port) in_8(port)
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#define ei_outb_p(val,port) out_8(port,val)
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#define ei_inb(port) in_8(port)
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#define ei_outb(val, port) out_8(port, val)
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#define ei_inb_p(port) in_8(port)
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#define ei_outb_p(val, port) out_8(port, val)
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#include "lib8390.c"
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#define WD_START_PG 0x00 /* First page of TX buffer */
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#define CABLETRON_RX_START_PG 0x00 /* First page of RX buffer */
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#define CABLETRON_RX_STOP_PG 0x30 /* Last page +1 of RX ring */
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#define CABLETRON_TX_START_PG CABLETRON_RX_STOP_PG /* First page of TX buffer */
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#define CABLETRON_TX_START_PG CABLETRON_RX_STOP_PG
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/* First page of TX buffer */
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/* Unfortunately it seems we have to hardcode these for the moment */
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/* Shouldn't the card know about this? Does anyone know where to read it off the card? Do we trust the data provided by the card? */
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/*
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* Unfortunately it seems we have to hardcode these for the moment
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* Shouldn't the card know about this?
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* Does anyone know where to read it off the card?
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* Do we trust the data provided by the card?
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*/
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#define DAYNA_8390_BASE 0x80000
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#define DAYNA_8390_MEM 0x00000
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@ -82,7 +87,7 @@ enum mac8390_type {
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MAC8390_KINETICS,
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};
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static const char * cardname[] = {
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static const char *cardname[] = {
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"apple",
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"asante",
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"farallon",
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@ -92,7 +97,7 @@ static const char * cardname[] = {
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"kinetics",
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};
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static int word16[] = {
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static const int word16[] = {
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1, /* apple */
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1, /* asante */
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1, /* farallon */
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@ -103,7 +108,7 @@ static int word16[] = {
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};
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/* on which cards do we use NuBus resources? */
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static int useresources[] = {
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static const int useresources[] = {
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1, /* apple */
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1, /* asante */
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1, /* farallon */
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@ -119,22 +124,22 @@ enum mac8390_access {
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ACCESS_16,
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};
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extern int mac8390_memtest(struct net_device * dev);
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static int mac8390_initdev(struct net_device * dev, struct nubus_dev * ndev,
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extern int mac8390_memtest(struct net_device *dev);
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static int mac8390_initdev(struct net_device *dev, struct nubus_dev *ndev,
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enum mac8390_type type);
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static int mac8390_open(struct net_device * dev);
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static int mac8390_close(struct net_device * dev);
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static int mac8390_open(struct net_device *dev);
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static int mac8390_close(struct net_device *dev);
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static void mac8390_no_reset(struct net_device *dev);
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static void interlan_reset(struct net_device *dev);
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/* Sane (32-bit chunk memory read/write) - Some Farallon and Apple do this*/
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static void sane_get_8390_hdr(struct net_device *dev,
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struct e8390_pkt_hdr *hdr, int ring_page);
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static void sane_block_input(struct net_device * dev, int count,
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struct sk_buff * skb, int ring_offset);
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static void sane_block_output(struct net_device * dev, int count,
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const unsigned char * buf, const int start_page);
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static void sane_block_input(struct net_device *dev, int count,
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struct sk_buff *skb, int ring_offset);
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static void sane_block_output(struct net_device *dev, int count,
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const unsigned char *buf, const int start_page);
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/* dayna_memcpy to and from card */
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static void dayna_memcpy_fromcard(struct net_device *dev, void *to,
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@ -150,8 +155,8 @@ static void dayna_block_input(struct net_device *dev, int count,
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static void dayna_block_output(struct net_device *dev, int count,
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const unsigned char *buf, int start_page);
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#define memcpy_fromio(a,b,c) memcpy((a),(void *)(b),(c))
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#define memcpy_toio(a,b,c) memcpy((void *)(a),(b),(c))
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#define memcpy_fromio(a, b, c) memcpy((a), (void *)(b), (c))
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#define memcpy_toio(a, b, c) memcpy((void *)(a), (b), (c))
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/* Slow Sane (16-bit chunk memory read/write) Cabletron uses this */
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static void slow_sane_get_8390_hdr(struct net_device *dev,
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@ -222,10 +227,12 @@ static enum mac8390_type __init mac8390_ident(struct nubus_dev *dev)
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break;
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case NUBUS_DRSW_DAYNA:
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// These correspond to Dayna Sonic cards
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// which use the macsonic driver
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/*
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* These correspond to Dayna Sonic cards
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* which use the macsonic driver
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*/
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if (dev->dr_hw == NUBUS_DRHW_SMC9194 ||
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dev->dr_hw == NUBUS_DRHW_INTERLAN )
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dev->dr_hw == NUBUS_DRHW_INTERLAN)
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return MAC8390_NONE;
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else
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return MAC8390_DAYNA;
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@ -260,7 +267,7 @@ static int __init mac8390_memsize(unsigned long membase)
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local_irq_save(flags);
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/* Check up to 32K in 4K increments */
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for (i = 0; i < 8; i++) {
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volatile unsigned short *m = (unsigned short *) (membase + (i * 0x1000));
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volatile unsigned short *m = (unsigned short *)(membase + (i * 0x1000));
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/* Unwriteable - we have a fully decoded card and the
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RAM end located */
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@ -275,22 +282,24 @@ static int __init mac8390_memsize(unsigned long membase)
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/* check for partial decode and wrap */
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for (j = 0; j < i; j++) {
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volatile unsigned short *p = (unsigned short *) (membase + (j * 0x1000));
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volatile unsigned short *p = (unsigned short *)(membase + (j * 0x1000));
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if (*p != (0xA5A0 | j))
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break;
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}
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}
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}
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}
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local_irq_restore(flags);
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/* in any case, we stopped once we tried one block too many,
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or once we reached 32K */
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return i * 0x1000;
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/*
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* in any case, we stopped once we tried one block too many,
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* or once we reached 32K
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*/
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return i * 0x1000;
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}
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struct net_device * __init mac8390_probe(int unit)
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{
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struct net_device *dev;
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volatile unsigned short *i;
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struct nubus_dev * ndev = NULL;
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struct nubus_dev *ndev = NULL;
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int err = -ENODEV;
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struct nubus_dir dir;
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@ -312,20 +321,23 @@ struct net_device * __init mac8390_probe(int unit)
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if (unit >= 0)
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sprintf(dev->name, "eth%d", unit);
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while ((ndev = nubus_find_type(NUBUS_CAT_NETWORK, NUBUS_TYPE_ETHERNET, ndev))) {
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while ((ndev = nubus_find_type(NUBUS_CAT_NETWORK, NUBUS_TYPE_ETHERNET,
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ndev))) {
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/* Have we seen it already? */
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if (slots & (1<<ndev->board->slot))
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continue;
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slots |= 1<<ndev->board->slot;
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if ((cardtype = mac8390_ident(ndev)) == MAC8390_NONE)
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cardtype = mac8390_ident(ndev);
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if (cardtype == MAC8390_NONE)
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continue;
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printk_once(KERN_INFO pr_fmt(version));
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dev->irq = SLOT2IRQ(ndev->board->slot);
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/* This is getting to be a habit */
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dev->base_addr = ndev->board->slot_addr | ((ndev->board->slot&0xf) << 20);
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dev->base_addr = (ndev->board->slot_addr |
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((ndev->board->slot & 0xf) << 20));
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/* Get some Nubus info - we will trust the card's idea
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of where its memory and registers are. */
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@ -337,7 +349,7 @@ struct net_device * __init mac8390_probe(int unit)
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}
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/* Get the MAC address */
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if ((nubus_find_rsrc(&dir, NUBUS_RESID_MAC_ADDRESS, &ent)) == -1) {
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if (nubus_find_rsrc(&dir, NUBUS_RESID_MAC_ADDRESS, &ent) == -1) {
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pr_info("%s: Couldn't get MAC address!\n", dev->name);
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continue;
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} else {
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@ -346,7 +358,8 @@ struct net_device * __init mac8390_probe(int unit)
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if (useresources[cardtype] == 1) {
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nubus_rewinddir(&dir);
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if (nubus_find_rsrc(&dir, NUBUS_RESID_MINOR_BASEOS, &ent) == -1) {
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if (nubus_find_rsrc(&dir, NUBUS_RESID_MINOR_BASEOS,
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&ent) == -1) {
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pr_err("%s: Memory offset resource for slot %X not found!\n",
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dev->name, ndev->board->slot);
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continue;
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@ -356,7 +369,8 @@ struct net_device * __init mac8390_probe(int unit)
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/* yes, this is how the Apple driver does it */
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dev->base_addr = dev->mem_start + 0x10000;
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nubus_rewinddir(&dir);
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if (nubus_find_rsrc(&dir, NUBUS_RESID_MINOR_LENGTH, &ent) == -1) {
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if (nubus_find_rsrc(&dir, NUBUS_RESID_MINOR_LENGTH,
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&ent) == -1) {
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pr_info("%s: Memory length resource for slot %X not found, probing\n",
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dev->name, ndev->board->slot);
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offset = mac8390_memsize(dev->mem_start);
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@ -485,22 +499,23 @@ static const struct net_device_ops mac8390_netdev_ops = {
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#endif
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};
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static int __init mac8390_initdev(struct net_device * dev, struct nubus_dev * ndev,
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enum mac8390_type type)
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static int __init mac8390_initdev(struct net_device *dev,
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struct nubus_dev *ndev,
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enum mac8390_type type)
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{
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static u32 fwrd4_offsets[16]={
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static u32 fwrd4_offsets[16] = {
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0, 4, 8, 12,
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16, 20, 24, 28,
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32, 36, 40, 44,
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48, 52, 56, 60
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};
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static u32 back4_offsets[16]={
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static u32 back4_offsets[16] = {
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60, 56, 52, 48,
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44, 40, 36, 32,
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28, 24, 20, 16,
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12, 8, 4, 0
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};
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static u32 fwrd2_offsets[16]={
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static u32 fwrd2_offsets[16] = {
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0, 2, 4, 6,
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8, 10, 12, 14,
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16, 18, 20, 22,
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@ -518,17 +533,17 @@ static int __init mac8390_initdev(struct net_device * dev, struct nubus_dev * nd
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/* Cabletron's TX/RX buffers are backwards */
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if (type == MAC8390_CABLETRON) {
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ei_status.tx_start_page = CABLETRON_TX_START_PG;
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ei_status.rx_start_page = CABLETRON_RX_START_PG;
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ei_status.stop_page = CABLETRON_RX_STOP_PG;
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ei_status.rmem_start = dev->mem_start;
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ei_status.rmem_end = dev->mem_start + CABLETRON_RX_STOP_PG*256;
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ei_status.tx_start_page = CABLETRON_TX_START_PG;
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ei_status.rx_start_page = CABLETRON_RX_START_PG;
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ei_status.stop_page = CABLETRON_RX_STOP_PG;
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ei_status.rmem_start = dev->mem_start;
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ei_status.rmem_end = dev->mem_start + CABLETRON_RX_STOP_PG*256;
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} else {
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ei_status.tx_start_page = WD_START_PG;
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ei_status.rx_start_page = WD_START_PG + TX_PAGES;
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ei_status.stop_page = (dev->mem_end - dev->mem_start)/256;
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ei_status.rmem_start = dev->mem_start + TX_PAGES*256;
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ei_status.rmem_end = dev->mem_end;
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ei_status.tx_start_page = WD_START_PG;
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ei_status.rx_start_page = WD_START_PG + TX_PAGES;
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ei_status.stop_page = (dev->mem_end - dev->mem_start)/256;
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ei_status.rmem_start = dev->mem_start + TX_PAGES*256;
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ei_status.rmem_end = dev->mem_end;
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}
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/* Fill in model-specific information and functions */
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@ -600,8 +615,8 @@ static int __init mac8390_initdev(struct net_device * dev, struct nubus_dev * nd
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ei_status.block_input = &slow_sane_block_input;
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ei_status.block_output = &slow_sane_block_output;
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ei_status.get_8390_hdr = &slow_sane_get_8390_hdr;
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ei_status.reg_offset = fwrd4_offsets;
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break;
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ei_status.reg_offset = fwrd4_offsets;
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break;
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default:
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pr_err("Card type %s is unsupported, sorry\n",
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@ -649,7 +664,7 @@ static void mac8390_no_reset(struct net_device *dev)
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static void interlan_reset(struct net_device *dev)
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{
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unsigned char *target=nubus_slot_addr(IRQ2SLOT(dev->irq));
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unsigned char *target = nubus_slot_addr(IRQ2SLOT(dev->irq));
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if (ei_debug > 1)
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pr_info("Need to reset the NS8390 t=%lu...", jiffies);
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ei_status.txing = 0;
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@ -661,54 +676,53 @@ static void interlan_reset(struct net_device *dev)
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/* dayna_memcpy_fromio/dayna_memcpy_toio */
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/* directly from daynaport.c by Alan Cox */
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static void dayna_memcpy_fromcard(struct net_device *dev, void *to, int from, int count)
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static void dayna_memcpy_fromcard(struct net_device *dev, void *to, int from,
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int count)
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{
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volatile unsigned char *ptr;
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unsigned char *target=to;
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from<<=1; /* word, skip overhead */
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ptr=(unsigned char *)(dev->mem_start+from);
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unsigned char *target = to;
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from <<= 1; /* word, skip overhead */
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ptr = (unsigned char *)(dev->mem_start+from);
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/* Leading byte? */
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if (from&2) {
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if (from & 2) {
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*target++ = ptr[-1];
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ptr += 2;
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count--;
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}
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while(count>=2)
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{
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while (count >= 2) {
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*(unsigned short *)target = *(unsigned short volatile *)ptr;
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ptr += 4; /* skip cruft */
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target += 2;
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count-=2;
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count -= 2;
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}
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/* Trailing byte? */
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if(count)
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if (count)
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*target = *ptr;
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}
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static void dayna_memcpy_tocard(struct net_device *dev, int to, const void *from, int count)
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static void dayna_memcpy_tocard(struct net_device *dev, int to,
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const void *from, int count)
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{
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volatile unsigned short *ptr;
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const unsigned char *src=from;
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to<<=1; /* word, skip overhead */
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ptr=(unsigned short *)(dev->mem_start+to);
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const unsigned char *src = from;
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to <<= 1; /* word, skip overhead */
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ptr = (unsigned short *)(dev->mem_start+to);
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/* Leading byte? */
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if (to&2) { /* avoid a byte write (stomps on other data) */
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if (to & 2) { /* avoid a byte write (stomps on other data) */
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ptr[-1] = (ptr[-1]&0xFF00)|*src++;
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ptr++;
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count--;
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}
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while(count>=2)
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{
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*ptr++=*(unsigned short *)src; /* Copy and */
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while (count >= 2) {
|
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*ptr++ = *(unsigned short *)src; /* Copy and */
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ptr++; /* skip cruft */
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src += 2;
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count-=2;
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count -= 2;
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}
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/* Trailing byte? */
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if(count)
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{
|
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if (count) {
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/* card doesn't like byte writes */
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*ptr=(*ptr&0x00FF)|(*src << 8);
|
||||
*ptr = (*ptr & 0x00FF) | (*src << 8);
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||||
}
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}
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||||
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||||
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@ -731,11 +745,14 @@ static void sane_block_input(struct net_device *dev, int count,
|
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if (xfer_start + count > ei_status.rmem_end) {
|
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/* We must wrap the input move. */
|
||||
int semi_count = ei_status.rmem_end - xfer_start;
|
||||
memcpy_fromio(skb->data, (char *)dev->mem_start + xfer_base, semi_count);
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||||
memcpy_fromio(skb->data, (char *)dev->mem_start + xfer_base,
|
||||
semi_count);
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||||
count -= semi_count;
|
||||
memcpy_toio(skb->data + semi_count, (char *)ei_status.rmem_start, count);
|
||||
memcpy_toio(skb->data + semi_count,
|
||||
(char *)ei_status.rmem_start, count);
|
||||
} else {
|
||||
memcpy_fromio(skb->data, (char *)dev->mem_start + xfer_base, count);
|
||||
memcpy_fromio(skb->data, (char *)dev->mem_start + xfer_base,
|
||||
count);
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -748,16 +765,18 @@ static void sane_block_output(struct net_device *dev, int count,
|
|||
}
|
||||
|
||||
/* dayna block input/output */
|
||||
static void dayna_get_8390_hdr(struct net_device *dev, struct e8390_pkt_hdr *hdr, int ring_page)
|
||||
static void dayna_get_8390_hdr(struct net_device *dev,
|
||||
struct e8390_pkt_hdr *hdr, int ring_page)
|
||||
{
|
||||
unsigned long hdr_start = (ring_page - WD_START_PG)<<8;
|
||||
|
||||
dayna_memcpy_fromcard(dev, hdr, hdr_start, 4);
|
||||
/* Fix endianness */
|
||||
hdr->count=(hdr->count&0xFF)<<8|(hdr->count>>8);
|
||||
hdr->count = (hdr->count & 0xFF) << 8 | (hdr->count >> 8);
|
||||
}
|
||||
|
||||
static void dayna_block_input(struct net_device *dev, int count, struct sk_buff *skb, int ring_offset)
|
||||
static void dayna_block_input(struct net_device *dev, int count,
|
||||
struct sk_buff *skb, int ring_offset)
|
||||
{
|
||||
unsigned long xfer_base = ring_offset - (WD_START_PG<<8);
|
||||
unsigned long xfer_start = xfer_base+dev->mem_start;
|
||||
|
|
@ -765,8 +784,7 @@ static void dayna_block_input(struct net_device *dev, int count, struct sk_buff
|
|||
/* Note the offset math is done in card memory space which is word
|
||||
per long onto our space. */
|
||||
|
||||
if (xfer_start + count > ei_status.rmem_end)
|
||||
{
|
||||
if (xfer_start + count > ei_status.rmem_end) {
|
||||
/* We must wrap the input move. */
|
||||
int semi_count = ei_status.rmem_end - xfer_start;
|
||||
dayna_memcpy_fromcard(dev, skb->data, xfer_base, semi_count);
|
||||
|
|
@ -774,15 +792,14 @@ static void dayna_block_input(struct net_device *dev, int count, struct sk_buff
|
|||
dayna_memcpy_fromcard(dev, skb->data + semi_count,
|
||||
ei_status.rmem_start - dev->mem_start,
|
||||
count);
|
||||
}
|
||||
else
|
||||
{
|
||||
} else {
|
||||
dayna_memcpy_fromcard(dev, skb->data, xfer_base, count);
|
||||
}
|
||||
}
|
||||
|
||||
static void dayna_block_output(struct net_device *dev, int count, const unsigned char *buf,
|
||||
int start_page)
|
||||
static void dayna_block_output(struct net_device *dev, int count,
|
||||
const unsigned char *buf,
|
||||
int start_page)
|
||||
{
|
||||
long shmem = (start_page - WD_START_PG)<<8;
|
||||
|
||||
|
|
@ -790,8 +807,9 @@ static void dayna_block_output(struct net_device *dev, int count, const unsigned
|
|||
}
|
||||
|
||||
/* Cabletron block I/O */
|
||||
static void slow_sane_get_8390_hdr(struct net_device *dev, struct e8390_pkt_hdr *hdr,
|
||||
int ring_page)
|
||||
static void slow_sane_get_8390_hdr(struct net_device *dev,
|
||||
struct e8390_pkt_hdr *hdr,
|
||||
int ring_page)
|
||||
{
|
||||
unsigned long hdr_start = (ring_page - WD_START_PG)<<8;
|
||||
word_memcpy_fromcard(hdr, (char *)dev->mem_start + hdr_start, 4);
|
||||
|
|
@ -799,14 +817,13 @@ static void slow_sane_get_8390_hdr(struct net_device *dev, struct e8390_pkt_hdr
|
|||
hdr->count = (hdr->count&0xFF)<<8|(hdr->count>>8);
|
||||
}
|
||||
|
||||
static void slow_sane_block_input(struct net_device *dev, int count, struct sk_buff *skb,
|
||||
int ring_offset)
|
||||
static void slow_sane_block_input(struct net_device *dev, int count,
|
||||
struct sk_buff *skb, int ring_offset)
|
||||
{
|
||||
unsigned long xfer_base = ring_offset - (WD_START_PG<<8);
|
||||
unsigned long xfer_start = xfer_base+dev->mem_start;
|
||||
|
||||
if (xfer_start + count > ei_status.rmem_end)
|
||||
{
|
||||
if (xfer_start + count > ei_status.rmem_end) {
|
||||
/* We must wrap the input move. */
|
||||
int semi_count = ei_status.rmem_end - xfer_start;
|
||||
word_memcpy_fromcard(skb->data,
|
||||
|
|
@ -815,16 +832,14 @@ static void slow_sane_block_input(struct net_device *dev, int count, struct sk_b
|
|||
count -= semi_count;
|
||||
word_memcpy_fromcard(skb->data + semi_count,
|
||||
(char *)ei_status.rmem_start, count);
|
||||
}
|
||||
else
|
||||
{
|
||||
} else {
|
||||
word_memcpy_fromcard(skb->data,
|
||||
(char *)dev->mem_start + xfer_base, count);
|
||||
}
|
||||
}
|
||||
|
||||
static void slow_sane_block_output(struct net_device *dev, int count, const unsigned char *buf,
|
||||
int start_page)
|
||||
static void slow_sane_block_output(struct net_device *dev, int count,
|
||||
const unsigned char *buf, int start_page)
|
||||
{
|
||||
long shmem = (start_page - WD_START_PG)<<8;
|
||||
|
||||
|
|
@ -837,10 +852,10 @@ static void word_memcpy_tocard(void *tp, const void *fp, int count)
|
|||
const unsigned short *from = fp;
|
||||
|
||||
count++;
|
||||
count/=2;
|
||||
count /= 2;
|
||||
|
||||
while(count--)
|
||||
*to++=*from++;
|
||||
while (count--)
|
||||
*to++ = *from++;
|
||||
}
|
||||
|
||||
static void word_memcpy_fromcard(void *tp, const void *fp, int count)
|
||||
|
|
@ -849,10 +864,10 @@ static void word_memcpy_fromcard(void *tp, const void *fp, int count)
|
|||
const volatile unsigned short *from = fp;
|
||||
|
||||
count++;
|
||||
count/=2;
|
||||
count /= 2;
|
||||
|
||||
while(count--)
|
||||
*to++=*from++;
|
||||
while (count--)
|
||||
*to++ = *from++;
|
||||
}
|
||||
|
||||
|
||||
|
|
|
|||
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