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Subject[PATCH 2/2] staging: ath6kl: use native methods from kernel library
Date
There are already implemented methods such hex_to_bin() or isxdigit() in
the kernel. Let's use them.

Signed-off-by: Andy Shevchenko <andy.shevchenko@gmail.com>
---
.../staging/ath6kl/miscdrv/ar3kps/ar3kpsparser.c | 31 ++++++-------------
drivers/staging/ath6kl/os/linux/eeprom.c | 32 +++++++++----------
2 files changed, 25 insertions(+), 38 deletions(-)

diff --git a/drivers/staging/ath6kl/miscdrv/ar3kps/ar3kpsparser.c b/drivers/staging/ath6kl/miscdrv/ar3kps/ar3kpsparser.c
index 5eed8ac..8dce054 100644
--- a/drivers/staging/ath6kl/miscdrv/ar3kps/ar3kpsparser.c
+++ b/drivers/staging/ath6kl/miscdrv/ar3kps/ar3kpsparser.c
@@ -27,6 +27,9 @@

#include "ar3kpsparser.h"

+#include <linux/ctype.h>
+#include <linux/kernel.h>
+
#define BD_ADDR_SIZE 6
#define WRITE_PATCH 8
#define ENABLE_PATCH 11
@@ -61,20 +64,6 @@
#define MAX_BYTE_LENGTH 244

#define SKIP_BLANKS(str) while (*str == ' ') str++
-#define MIN(x, y) (((x) <= (y))? (x):(y))
-#define MAX(x, y) (((x) >= (y))? (x):(y))
-
-#define UNUSED(x) (x=x)
-
-#define IS_BETWEEN(x, lower, upper) (((lower) <= (x)) && ((x) <= (upper)))
-#define IS_DIGIT(c) (IS_BETWEEN((c), '0', '9'))
-#define IS_HEX(c) (IS_BETWEEN((c), '0', '9') || IS_BETWEEN((c), 'a', 'f') || IS_BETWEEN((c), 'A', 'F'))
-#define TO_LOWER(c) (IS_BETWEEN((c), 'A', 'Z') ? ((c) - 'A' + 'a') : (c))
-#define IS_BLANK(c) ((c) == ' ')
-#define CONV_DEC_DIGIT_TO_VALUE(c) ((c) - '0')
-#define CONV_HEX_DIGIT_TO_VALUE(c) (IS_DIGIT(c) ? ((c) - '0') : (IS_BETWEEN((c), 'A', 'Z') ? ((c) - 'A' + 10) : ((c) - 'a' + 10)))
-#define CONV_VALUE_TO_HEX(v) ((A_UINT8)( ((v & 0x0F) <= 9) ? ((v & 0x0F) + '0') : ((v & 0x0F) - 10 + 'A') ) )
-

enum MinBootFileFormatE
{
@@ -483,12 +472,12 @@ A_STATUS AthParseFilesUnified(A_UCHAR *srcbuffer,A_UINT32 srclen, int FileFormat
if((stPS_DataFormat.eDataType == eHex) && stPS_DataFormat.bIsArray == true) {
while(uReadCount > 0) {
PsTagEntry[TagCount].TagData[stReadStatus.uByteCount] =
- (A_UINT8)(CONV_HEX_DIGIT_TO_VALUE(pCharLine[stReadStatus.uCharCount]) << 4)
- | (A_UINT8)(CONV_HEX_DIGIT_TO_VALUE(pCharLine[stReadStatus.uCharCount + 1]));
+ (A_UINT8)(hex_to_bin(pCharLine[stReadStatus.uCharCount]) << 4)
+ | (A_UINT8)(hex_to_bin(pCharLine[stReadStatus.uCharCount + 1]));

PsTagEntry[TagCount].TagData[stReadStatus.uByteCount+1] =
- (A_UINT8)(CONV_HEX_DIGIT_TO_VALUE(pCharLine[stReadStatus.uCharCount + 3]) << 4)
- | (A_UINT8)(CONV_HEX_DIGIT_TO_VALUE(pCharLine[stReadStatus.uCharCount + 4]));
+ (A_UINT8)(hex_to_bin(pCharLine[stReadStatus.uCharCount + 3]) << 4)
+ | (A_UINT8)(hex_to_bin(pCharLine[stReadStatus.uCharCount + 4]));

stReadStatus.uCharCount += 6; // read two bytes, plus a space;
stReadStatus.uByteCount += 2;
@@ -574,14 +563,14 @@ A_STATUS GetNextTwoChar(A_UCHAR *srcbuffer,A_UINT32 len, A_UINT32 *pos, char * b
unsigned char ch;

ch = AthReadChar(srcbuffer,len,pos);
- if(ch != '\0' && IS_HEX(ch)) {
+ if(ch != '\0' && isxdigit(ch)) {
buffer[0] = ch;
} else
{
return A_ERROR;
}
ch = AthReadChar(srcbuffer,len,pos);
- if(ch != '\0' && IS_HEX(ch)) {
+ if(ch != '\0' && isxdigit(ch)) {
buffer[1] = ch;
} else
{
@@ -606,7 +595,7 @@ A_STATUS AthDoParsePatch(A_UCHAR *patchbuffer, A_UINT32 patchlen)
Patch_Count = 0;

while(NULL != AthGetLine(Line,MAX_BYTE_LENGTH,patchbuffer,patchlen,&filepos)) {
- if(strlen(Line) <= 1 || !IS_HEX(Line[0])) {
+ if(strlen(Line) <= 1 || !isxdigit(Line[0])) {
continue;
} else {
break;
diff --git a/drivers/staging/ath6kl/os/linux/eeprom.c b/drivers/staging/ath6kl/os/linux/eeprom.c
index 8dd130a..be77fb8 100644
--- a/drivers/staging/ath6kl/os/linux/eeprom.c
+++ b/drivers/staging/ath6kl/os/linux/eeprom.c
@@ -71,24 +71,22 @@ wmic_ether_aton(const char *orig, A_UINT8 *eth)
i = 0;
for(bufp = orig; *bufp != '\0'; ++bufp) {
unsigned int val;
- unsigned char c = *bufp++;
- if (c >= '0' && c <= '9') val = c - '0';
- else if (c >= 'a' && c <= 'f') val = c - 'a' + 10;
- else if (c >= 'A' && c <= 'F') val = c - 'A' + 10;
- else {
- printk("%s: MAC value is invalid\n", __FUNCTION__);
- break;
- }
+ int h, l;

- val <<= 4;
- c = *bufp++;
- if (c >= '0' && c <= '9') val |= c - '0';
- else if (c >= 'a' && c <= 'f') val |= c - 'a' + 10;
- else if (c >= 'A' && c <= 'F') val |= c - 'A' + 10;
- else {
- printk("%s: MAC value is invalid\n", __FUNCTION__);
- break;
- }
+ h = hex_to_bin(*bufp++);
+
+ if (h < 0) {
+ printk("%s: MAC value is invalid\n", __FUNCTION__);
+ break;
+ }
+
+ l = hex_to_bin(*bufp++);
+ if (l < 0) {
+ printk("%s: MAC value is invalid\n", __FUNCTION__);
+ break;
+ }
+
+ val = (h << 4) | l;

eth[i] = (unsigned char) (val & 0377);
if(++i == ATH_MAC_LEN) {
--
1.7.2.2


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