diff options
| author | Akinobu Mita <akinobu.mita@gmail.com> | 2006-12-08 02:36:28 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.osdl.org> | 2006-12-08 08:28:40 -0800 |
| commit | 0a8588578508a6c58a30ad1a7e23b285cfab49f3 (patch) | |
| tree | ce01093171ccf5cb84d8c2f5a325b0db40644f04 /drivers/atm | |
| parent | 60e657e377037d8ce82015903dd195851b7861ed (diff) | |
[PATCH] atm/ambassador: use bitrev8
Use bitrev8 for ambassador driver.
Cc: Chas Williams <linux-atm-general@lists.sourceforge.net>
Cc: Giuliano Procida at Madge Networks <gprocida@madge.com>
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers/atm')
| -rw-r--r-- | drivers/atm/Kconfig | 1 | ||||
| -rw-r--r-- | drivers/atm/ambassador.c | 17 |
2 files changed, 4 insertions, 14 deletions
diff --git a/drivers/atm/Kconfig b/drivers/atm/Kconfig index cfa5af883e13..2ddd76fdbc43 100644 --- a/drivers/atm/Kconfig +++ b/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) diff --git a/drivers/atm/ambassador.c b/drivers/atm/ambassador.c index afa7d750a593..3c372e08f77d 100644 --- a/drivers/atm/ambassador.c +++ b/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 (amb_dev * dev) { 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 * dev, u8 * esi) { 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]); } |