Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=d50956af74859b4e9ba544a0211a94bc2621c1d9
Commit: d50956af74859b4e9ba544a0211a94bc2621c1d9
Parent: b665982409fd5e4d3f1b71591d2f6badf9d2ee99
Author: Al Viro <[EMAIL PROTECTED]>
AuthorDate: Sun Jan 13 14:17:45 2008 +0000
Committer: Jeff Garzik <[EMAIL PROTECTED]>
CommitDate: Fri Jan 18 14:44:33 2008 -0500
dl2k: BMCR_t fixes
broken use of bitfields; FUBAR on big-endian (and not valid C,
strictly speaking).
Signed-off-by: Al Viro <[EMAIL PROTECTED]>
Signed-off-by: Jeff Garzik <[EMAIL PROTECTED]>
---
drivers/net/dl2k.c | 76 ++++++++++++++++++++++------------------------------
drivers/net/dl2k.h | 17 -----------
2 files changed, 32 insertions(+), 61 deletions(-)
diff --git a/drivers/net/dl2k.c b/drivers/net/dl2k.c
index 47cce9c..badc601 100644
--- a/drivers/net/dl2k.c
+++ b/drivers/net/dl2k.c
@@ -1455,7 +1455,6 @@ mii_get_media (struct net_device *dev)
{
ANAR_t negotiate;
BMSR_t bmsr;
- BMCR_t bmcr;
MSCR_t mscr;
MSSR_t mssr;
int phy_addr;
@@ -1508,15 +1507,18 @@ mii_get_media (struct net_device *dev)
}
/* else tx_flow, rx_flow = user select */
} else {
- bmcr.image = mii_read (dev, phy_addr, MII_BMCR);
- if (bmcr.bits.speed100 == 1 && bmcr.bits.speed1000 == 0) {
+ __u16 bmcr = mii_read (dev, phy_addr, MII_BMCR);
+ switch (bmcr & (MII_BMCR_SPEED_100 | MII_BMCR_SPEED_1000)) {
+ case MII_BMCR_SPEED_1000:
+ printk (KERN_INFO "Operating at 1000 Mbps, ");
+ break;
+ case MII_BMCR_SPEED_100:
printk (KERN_INFO "Operating at 100 Mbps, ");
- } else if (bmcr.bits.speed100 == 0 && bmcr.bits.speed1000 == 0)
{
+ break;
+ case 0:
printk (KERN_INFO "Operating at 10 Mbps, ");
- } else if (bmcr.bits.speed100 == 0 && bmcr.bits.speed1000 == 1)
{
- printk (KERN_INFO "Operating at 1000 Mbps, ");
}
- if (bmcr.bits.duplex_mode) {
+ if (bmcr & MII_BMCR_DUPLEX_MODE) {
printk ("Full duplex\n");
} else {
printk ("Half duplex\n");
@@ -1538,7 +1540,7 @@ static int
mii_set_media (struct net_device *dev)
{
PHY_SCR_t pscr;
- BMCR_t bmcr;
+ __u16 bmcr;
BMSR_t bmsr;
ANAR_t anar;
int phy_addr;
@@ -1567,11 +1569,8 @@ mii_set_media (struct net_device *dev)
/* Soft reset PHY */
mii_write (dev, phy_addr, MII_BMCR, MII_BMCR_RESET);
- bmcr.image = 0;
- bmcr.bits.an_enable = 1;
- bmcr.bits.restart_an = 1;
- bmcr.bits.reset = 1;
- mii_write (dev, phy_addr, MII_BMCR, bmcr.image);
+ bmcr = MII_BMCR_AN_ENABLE | MII_BMCR_RESTART_AN |
MII_BMCR_RESET;
+ mii_write (dev, phy_addr, MII_BMCR, bmcr);
mdelay(1);
} else {
/* Force speed setting */
@@ -1581,35 +1580,30 @@ mii_set_media (struct net_device *dev)
mii_write (dev, phy_addr, MII_PHY_SCR, pscr.image);
/* 2) PHY Reset */
- bmcr.image = mii_read (dev, phy_addr, MII_BMCR);
- bmcr.bits.reset = 1;
- mii_write (dev, phy_addr, MII_BMCR, bmcr.image);
+ bmcr = mii_read (dev, phy_addr, MII_BMCR);
+ bmcr |= MII_BMCR_RESET;
+ mii_write (dev, phy_addr, MII_BMCR, bmcr);
/* 3) Power Down */
- bmcr.image = 0x1940; /* must be 0x1940 */
- mii_write (dev, phy_addr, MII_BMCR, bmcr.image);
+ bmcr = 0x1940; /* must be 0x1940 */
+ mii_write (dev, phy_addr, MII_BMCR, bmcr);
mdelay (100); /* wait a certain time */
/* 4) Advertise nothing */
mii_write (dev, phy_addr, MII_ANAR, 0);
/* 5) Set media and Power Up */
- bmcr.image = 0;
- bmcr.bits.power_down = 1;
+ bmcr = MII_BMCR_POWER_DOWN;
if (np->speed == 100) {
- bmcr.bits.speed100 = 1;
- bmcr.bits.speed1000 = 0;
+ bmcr |= MII_BMCR_SPEED_100;
printk (KERN_INFO "Manual 100 Mbps, ");
} else if (np->speed == 10) {
- bmcr.bits.speed100 = 0;
- bmcr.bits.speed1000 = 0;
printk (KERN_INFO "Manual 10 Mbps, ");
}
if (np->full_duplex) {
- bmcr.bits.duplex_mode = 1;
+ bmcr |= MII_BMCR_DUPLEX_MODE;
printk ("Full duplex\n");
} else {
- bmcr.bits.duplex_mode = 0;
printk ("Half duplex\n");
}
#if 0
@@ -1618,7 +1612,7 @@ mii_set_media (struct net_device *dev)
mscr.bits.cfg_enable = 1;
mscr.bits.cfg_value = 0;
#endif
- mii_write (dev, phy_addr, MII_BMCR, bmcr.image);
+ mii_write (dev, phy_addr, MII_BMCR, bmcr);
mdelay(10);
}
return 0;
@@ -1629,7 +1623,6 @@ mii_get_media_pcs (struct net_device *dev)
{
ANAR_PCS_t negotiate;
BMSR_t bmsr;
- BMCR_t bmcr;
int phy_addr;
struct netdev_private *np;
@@ -1661,9 +1654,9 @@ mii_get_media_pcs (struct net_device *dev)
}
/* else tx_flow, rx_flow = user select */
} else {
- bmcr.image = mii_read (dev, phy_addr, PCS_BMCR);
+ __u16 bmcr = mii_read (dev, phy_addr, PCS_BMCR);
printk (KERN_INFO "Operating at 1000 Mbps, ");
- if (bmcr.bits.duplex_mode) {
+ if (bmcr & MII_BMCR_DUPLEX_MODE) {
printk ("Full duplex\n");
} else {
printk ("Half duplex\n");
@@ -1684,7 +1677,7 @@ mii_get_media_pcs (struct net_device *dev)
static int
mii_set_media_pcs (struct net_device *dev)
{
- BMCR_t bmcr;
+ __u16 bmcr;
ESR_t esr;
ANAR_PCS_t anar;
int phy_addr;
@@ -1707,29 +1700,24 @@ mii_set_media_pcs (struct net_device *dev)
/* Soft reset PHY */
mii_write (dev, phy_addr, MII_BMCR, MII_BMCR_RESET);
- bmcr.image = 0;
- bmcr.bits.an_enable = 1;
- bmcr.bits.restart_an = 1;
- bmcr.bits.reset = 1;
- mii_write (dev, phy_addr, MII_BMCR, bmcr.image);
+ bmcr = MII_BMCR_AN_ENABLE | MII_BMCR_RESTART_AN |
+ MII_BMCR_RESET;
+ mii_write (dev, phy_addr, MII_BMCR, bmcr);
mdelay(1);
} else {
/* Force speed setting */
/* PHY Reset */
- bmcr.image = 0;
- bmcr.bits.reset = 1;
- mii_write (dev, phy_addr, MII_BMCR, bmcr.image);
+ bmcr = MII_BMCR_RESET;
+ mii_write (dev, phy_addr, MII_BMCR, bmcr);
mdelay(10);
- bmcr.image = 0;
- bmcr.bits.an_enable = 0;
if (np->full_duplex) {
- bmcr.bits.duplex_mode = 1;
+ bmcr = MII_BMCR_DUPLEX_MODE;
printk (KERN_INFO "Manual full duplex\n");
} else {
- bmcr.bits.duplex_mode = 0;
+ bmcr = 0;
printk (KERN_INFO "Manual half duplex\n");
}
- mii_write (dev, phy_addr, MII_BMCR, bmcr.image);
+ mii_write (dev, phy_addr, MII_BMCR, bmcr);
mdelay(10);
/* Advertise nothing */
diff --git a/drivers/net/dl2k.h b/drivers/net/dl2k.h
index 014b77c..931fd0e 100644
--- a/drivers/net/dl2k.h
+++ b/drivers/net/dl2k.h
@@ -298,23 +298,6 @@ enum _pcs_reg {
};
/* Basic Mode Control Register */
-typedef union t_MII_BMCR {
- u16 image;
- struct {
- u16 _bit_5_0:6; // bit 5:0
- u16 speed1000:1; // bit 6
- u16 col_test_enable:1; // bit 7
- u16 duplex_mode:1; // bit 8
- u16 restart_an:1; // bit 9
- u16 isolate:1; // bit 10
- u16 power_down:1; // bit 11
- u16 an_enable:1; // bit 12
- u16 speed100:1; // bit 13
- u16 loopback:1; // bit 14
- u16 reset:1; // bit 15
- } bits;
-} BMCR_t, *PBMCR_t;
-
enum _mii_bmcr {
MII_BMCR_RESET = 0x8000,
MII_BMCR_LOOP_BACK = 0x4000,
-
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