Use bitrev8 for ambassador driver.
Cc: Chas Williams <[email protected]>
Cc: Giuliano Procida at Madge Networks <[email protected]>
Signed-off-by: Akinobu Mita <[email protected]>
drivers/atm/Kconfig | 1 +
drivers/atm/ambassador.c | 17 +++--------------
2 files changed, 4 insertions(+), 14 deletions(-)
Index: work-fault-inject/drivers/atm/ambassador.c
===================================================================
--- work-fault-inject.orig/drivers/atm/ambassador.c
+++ work-fault-inject/drivers/atm/ambassador.c
@@ -32,6 +32,7 @@
#include <linux/delay.h>
#include <linux/interrupt.h>
#include <linux/poison.h>
+#include <linux/bitrev.h>
#include <asm/atomic.h>
#include <asm/io.h>
@@ -2068,18 +2069,6 @@ static void __devinit amb_ucode_version
PRINTK (KERN_INFO, "microcode version is %u.%u", major, minor);
}
-// swap bits within byte to get Ethernet ordering
-static u8 bit_swap (u8 byte)
-{
- const u8 swap[] = {
- 0x0, 0x8, 0x4, 0xc,
- 0x2, 0xa, 0x6, 0xe,
- 0x1, 0x9, 0x5, 0xd,
- 0x3, 0xb, 0x7, 0xf
- };
- return ((swap[byte & 0xf]<<4) | swap[byte>>4]);
-}
-
// get end station address
static void __devinit amb_esi (amb_dev * dev, u8 * esi) {
u32 lower4;
@@ -2101,9 +2090,9 @@ static void __devinit amb_esi (amb_dev *
PRINTDB (DBG_INIT, "ESI:");
for (i = 0; i < ESI_LEN; ++i) {
if (i < 4)
- esi[i] = bit_swap (lower4>>(8*i));
+ esi[i] = bitrev8(lower4>>(8*i));
else
- esi[i] = bit_swap (upper2>>(8*(i-4)));
+ esi[i] = bitrev8(upper2>>(8*(i-4)));
PRINTDM (DBG_INIT, " %02x", esi[i]);
}
Index: work-fault-inject/drivers/atm/Kconfig
===================================================================
--- work-fault-inject.orig/drivers/atm/Kconfig
+++ work-fault-inject/drivers/atm/Kconfig
@@ -242,6 +242,7 @@ config ATM_IDT77252_USE_SUNI
config ATM_AMBASSADOR
tristate "Madge Ambassador (Collage PCI 155 Server)"
depends on PCI && ATM
+ select BITREVERSE
help
This is a driver for ATMizer based ATM card produced by Madge
Networks Ltd. Say Y (or M to compile as a module named ambassador)
-
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