On the MCF5272, there is no need to read the ICR before writing it :
the bit 4n+3 is a write-enable for the bits 4n,4n+1 and 4n+2.
Signed-off-by: Philippe De Muyter <[email protected]>
Signed-off-by: Greg Ungerer <[email protected]>
---
diff -Naur linux-2.6.23-rc1-git2/drivers/net/fec.c linux/drivers/net/fec.c
--- linux-2.6.23-rc1-git2/drivers/net/fec.c 2007-07-26 10:46:14.000000000 +1000
+++ linux/drivers/net/fec.c 2007-07-26 23:09:23.000000000 +1000
@@ -1269,7 +1270,7 @@
icrp = (volatile unsigned long *) (MCF_MBAR + MCFSIM_ICR3);
*icrp = 0x00000ddd;
icrp = (volatile unsigned long *) (MCF_MBAR + MCFSIM_ICR1);
- *icrp = (*icrp & 0x70777777) | 0x0d000000;
+ *icrp = 0x0d000000;
}
static void __inline__ fec_set_mii(struct net_device *dev, struct fec_enet_private *fep)
@@ -1331,7 +1332,7 @@
{
volatile unsigned long *icrp;
icrp = (volatile unsigned long *) (MCF_MBAR + MCFSIM_ICR1);
- *icrp = (*icrp & 0x70777777) | 0x08000000;
+ *icrp = 0x08000000;
}
static void __inline__ fec_phy_ack_intr(void)
@@ -1339,7 +1340,7 @@
volatile unsigned long *icrp;
/* Acknowledge the interrupt */
icrp = (volatile unsigned long *) (MCF_MBAR + MCFSIM_ICR1);
- *icrp = (*icrp & 0x77777777) | 0x08000000;
+ *icrp = 0x0d000000;
}
static void __inline__ fec_localhw_setup(void)
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
[Index of Archives]
[Kernel Newbies]
[Netfilter]
[Bugtraq]
[Photo]
[Stuff]
[Gimp]
[Yosemite News]
[MIPS Linux]
[ARM Linux]
[Linux Security]
[Linux RAID]
[Video 4 Linux]
[Linux for the blind]
[Linux Resources]
