[PATCH 1/5] staging: vt6655: Use ether_crc in kernel.

From: Malcolm Priestley
Date: Sun Aug 17 2014 - 15:44:19 EST


ether_crc is already in kernel remove local code and
include linux/crc32.h

Signed-off-by: Malcolm Priestley <tvboxspy@xxxxxxxxx>
---
drivers/staging/vt6655/device.h | 1 +
drivers/staging/vt6655/device_main.c | 17 -----------------
2 files changed, 1 insertion(+), 17 deletions(-)

diff --git a/drivers/staging/vt6655/device.h b/drivers/staging/vt6655/device.h
index e4c5292..fadebe9 100644
--- a/drivers/staging/vt6655/device.h
+++ b/drivers/staging/vt6655/device.h
@@ -49,6 +49,7 @@
#include <linux/sched.h>
#include <linux/io.h>
#include <linux/if.h>
+#include <linux/crc32.h>
//#include <linux/config.h>
#include <linux/uaccess.h>
#include <linux/proc_fs.h>
diff --git a/drivers/staging/vt6655/device_main.c b/drivers/staging/vt6655/device_main.c
index a44233c..95460d4 100644
--- a/drivers/staging/vt6655/device_main.c
+++ b/drivers/staging/vt6655/device_main.c
@@ -2561,23 +2561,6 @@ static irqreturn_t device_intr(int irq, void *dev_instance)
return IRQ_RETVAL(handled);
}

-static unsigned const ethernet_polynomial = 0x04c11db7U;
-static inline u32 ether_crc(int length, unsigned char *data)
-{
- int crc = -1;
-
- while (--length >= 0) {
- unsigned char current_octet = *data++;
- int bit;
-
- for (bit = 0; bit < 8; bit++, current_octet >>= 1) {
- crc = (crc << 1) ^
- ((crc < 0) ^ (current_octet & 1) ? ethernet_polynomial : 0);
- }
- }
- return crc;
-}
-
//2008-8-4 <add> by chester
static int Config_FileGetParameter(unsigned char *string,
unsigned char *dest, unsigned char *source)
--
1.9.1

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