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authorAl Viro <viro@ftp.linux.org.uk>2007-12-22 18:55:29 +0000
committerJeff Garzik <jeff@garzik.org>2007-12-22 22:53:07 -0500
commitcf96237837ec6d4fc48bc2f735c71027cc0fc5fa (patch)
tree6ef598ca69fda2cf5e713312cf6ce225864e7f48 /drivers/net/rrunner.c
parent95e0918dbb6d83020ef3eb0a4276413264abd14d (diff)
downloadop-kernel-dev-cf96237837ec6d4fc48bc2f735c71027cc0fc5fa.zip
op-kernel-dev-cf96237837ec6d4fc48bc2f735c71027cc0fc5fa.tar.gz
rrunner: use offsetof() instead of homegrown insanity
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'drivers/net/rrunner.c')
-rw-r--r--drivers/net/rrunner.c49
1 files changed, 24 insertions, 25 deletions
diff --git a/drivers/net/rrunner.c b/drivers/net/rrunner.c
index 73a7e65..55a590a 100644
--- a/drivers/net/rrunner.c
+++ b/drivers/net/rrunner.c
@@ -294,7 +294,6 @@ static int rr_reset(struct net_device *dev)
{
struct rr_private *rrpriv;
struct rr_regs __iomem *regs;
- struct eeprom *hw = NULL;
u32 start_pc;
int i;
@@ -381,7 +380,8 @@ static int rr_reset(struct net_device *dev)
writel(RBURST_64|WBURST_64, &regs->PciState);
wmb();
- start_pc = rr_read_eeprom_word(rrpriv, &hw->rncd_info.FwStart);
+ start_pc = rr_read_eeprom_word(rrpriv,
+ offsetof(struct eeprom, rncd_info.FwStart));
#if (DEBUG > 1)
printk("%s: Executing firmware at address 0x%06x\n",
@@ -438,12 +438,12 @@ static unsigned int rr_read_eeprom(struct rr_private *rrpriv,
* it to our CPU byte-order.
*/
static u32 rr_read_eeprom_word(struct rr_private *rrpriv,
- void * offset)
+ size_t offset)
{
- u32 word;
+ __be32 word;
- if ((rr_read_eeprom(rrpriv, (unsigned long)offset,
- (char *)&word, 4) == 4))
+ if ((rr_read_eeprom(rrpriv, offset,
+ (unsigned char *)&word, 4) == 4))
return be32_to_cpu(word);
return 0;
}
@@ -510,7 +510,6 @@ static int __devinit rr_init(struct net_device *dev)
{
struct rr_private *rrpriv;
struct rr_regs __iomem *regs;
- struct eeprom *hw = NULL;
u32 sram_size, rev;
DECLARE_MAC_BUF(mac);
@@ -545,14 +544,14 @@ static int __devinit rr_init(struct net_device *dev)
* other method I've seen. -VAL
*/
- *(u16 *)(dev->dev_addr) =
- htons(rr_read_eeprom_word(rrpriv, &hw->manf.BoardULA));
- *(u32 *)(dev->dev_addr+2) =
- htonl(rr_read_eeprom_word(rrpriv, &hw->manf.BoardULA[4]));
+ *(__be16 *)(dev->dev_addr) =
+ htons(rr_read_eeprom_word(rrpriv, offsetof(struct eeprom, manf.BoardULA)));
+ *(__be32 *)(dev->dev_addr+2) =
+ htonl(rr_read_eeprom_word(rrpriv, offsetof(struct eeprom, manf.BoardULA[4])));
printk(" MAC: %s\n", print_mac(mac, dev->dev_addr));
- sram_size = rr_read_eeprom_word(rrpriv, (void *)8);
+ sram_size = rr_read_eeprom_word(rrpriv, 8);
printk(" SRAM size 0x%06x\n", sram_size);
return 0;
@@ -1477,11 +1476,10 @@ static int rr_load_firmware(struct net_device *dev)
{
struct rr_private *rrpriv;
struct rr_regs __iomem *regs;
- unsigned long eptr, segptr;
+ size_t eptr, segptr;
int i, j;
u32 localctrl, sptr, len, tmp;
u32 p2len, p2size, nr_seg, revision, io, sram_size;
- struct eeprom *hw = NULL;
rrpriv = netdev_priv(dev);
regs = rrpriv->regs;
@@ -1509,7 +1507,7 @@ static int rr_load_firmware(struct net_device *dev)
*/
io = readl(&regs->ExtIo);
writel(0, &regs->ExtIo);
- sram_size = rr_read_eeprom_word(rrpriv, (void *)8);
+ sram_size = rr_read_eeprom_word(rrpriv, 8);
for (i = 200; i < sram_size / 4; i++){
writel(i * 4, &regs->WinBase);
@@ -1520,13 +1518,13 @@ static int rr_load_firmware(struct net_device *dev)
writel(io, &regs->ExtIo);
mb();
- eptr = (unsigned long)rr_read_eeprom_word(rrpriv,
- &hw->rncd_info.AddrRunCodeSegs);
+ eptr = rr_read_eeprom_word(rrpriv,
+ offsetof(struct eeprom, rncd_info.AddrRunCodeSegs));
eptr = ((eptr & 0x1fffff) >> 3);
- p2len = rr_read_eeprom_word(rrpriv, (void *)(0x83*4));
+ p2len = rr_read_eeprom_word(rrpriv, 0x83*4);
p2len = (p2len << 2);
- p2size = rr_read_eeprom_word(rrpriv, (void *)(0x84*4));
+ p2size = rr_read_eeprom_word(rrpriv, 0x84*4);
p2size = ((p2size & 0x1fffff) >> 3);
if ((eptr < p2size) || (eptr > (p2size + p2len))){
@@ -1534,7 +1532,8 @@ static int rr_load_firmware(struct net_device *dev)
goto out;
}
- revision = rr_read_eeprom_word(rrpriv, &hw->manf.HeaderFmt);
+ revision = rr_read_eeprom_word(rrpriv,
+ offsetof(struct eeprom, manf.HeaderFmt));
if (revision != 1){
printk("%s: invalid firmware format (%i)\n",
@@ -1542,18 +1541,18 @@ static int rr_load_firmware(struct net_device *dev)
goto out;
}
- nr_seg = rr_read_eeprom_word(rrpriv, (void *)eptr);
+ nr_seg = rr_read_eeprom_word(rrpriv, eptr);
eptr +=4;
#if (DEBUG > 1)
printk("%s: nr_seg %i\n", dev->name, nr_seg);
#endif
for (i = 0; i < nr_seg; i++){
- sptr = rr_read_eeprom_word(rrpriv, (void *)eptr);
+ sptr = rr_read_eeprom_word(rrpriv, eptr);
eptr += 4;
- len = rr_read_eeprom_word(rrpriv, (void *)eptr);
+ len = rr_read_eeprom_word(rrpriv, eptr);
eptr += 4;
- segptr = (unsigned long)rr_read_eeprom_word(rrpriv, (void *)eptr);
+ segptr = rr_read_eeprom_word(rrpriv, eptr);
segptr = ((segptr & 0x1fffff) >> 3);
eptr += 4;
#if (DEBUG > 1)
@@ -1561,7 +1560,7 @@ static int rr_load_firmware(struct net_device *dev)
dev->name, i, sptr, len, segptr);
#endif
for (j = 0; j < len; j++){
- tmp = rr_read_eeprom_word(rrpriv, (void *)segptr);
+ tmp = rr_read_eeprom_word(rrpriv, segptr);
writel(sptr, &regs->WinBase);
mb();
writel(tmp, &regs->WinData);
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