openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

[PATCH] i2c: Remove duplicate rtc8564 BCD macros 

Remove duplicate of BCD macros.

Signed-off-by: Nicolas Kaiser <nikai@nikai.net>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Nicolas Kaiser 2005-11-26 20:15:23 +01:00 committed by Greg Kroah-Hartman
parent 5b319400f5
commit 7e94436942
1 changed files with 17 additions and 19 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

36
drivers/i2c/chips/rtc8564.c
View File

@ -14,6 +14,7 @@
*/
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/bcd.h>
#include <linux/i2c.h>
#include <linux/slab.h>
#include <linux/string.h>
@ -52,9 +53,6 @@ static inline u8 _rtc8564_ctrl2(struct i2c_client *client)
#define CTRL1(c) _rtc8564_ctrl1(c)
#define CTRL2(c) _rtc8564_ctrl2(c)
#define BCD_TO_BIN(val) (((val)&15) + ((val)>>4)*10)
#define BIN_TO_BCD(val) ((((val)/10)<<4) + (val)%10)
static int debug;;
module_param(debug, int, S_IRUGO | S_IWUSR);
@ -224,16 +222,16 @@ static int rtc8564_get_datetime(struct i2c_client *client, struct rtc_tm *dt)
return ret;
/* century stored in minute alarm reg */
dt->year = BCD_TO_BIN(buf[RTC8564_REG_YEAR]);
dt->year += 100 * BCD_TO_BIN(buf[RTC8564_REG_AL_MIN] & 0x3f);
dt->mday = BCD_TO_BIN(buf[RTC8564_REG_DAY] & 0x3f);
dt->wday = BCD_TO_BIN(buf[RTC8564_REG_WDAY] & 7);
dt->mon = BCD_TO_BIN(buf[RTC8564_REG_MON_CENT] & 0x1f);
dt->year = BCD2BIN(buf[RTC8564_REG_YEAR]);
dt->year += 100 * BCD2BIN(buf[RTC8564_REG_AL_MIN] & 0x3f);
dt->mday = BCD2BIN(buf[RTC8564_REG_DAY] & 0x3f);
dt->wday = BCD2BIN(buf[RTC8564_REG_WDAY] & 7);
dt->mon = BCD2BIN(buf[RTC8564_REG_MON_CENT] & 0x1f);
dt->secs = BCD_TO_BIN(buf[RTC8564_REG_SEC] & 0x7f);
dt->secs = BCD2BIN(buf[RTC8564_REG_SEC] & 0x7f);
dt->vl = (buf[RTC8564_REG_SEC] & 0x80) == 0x80;
dt->mins = BCD_TO_BIN(buf[RTC8564_REG_MIN] & 0x7f);
dt->hours = BCD_TO_BIN(buf[RTC8564_REG_HR] & 0x3f);
dt->mins = BCD2BIN(buf[RTC8564_REG_MIN] & 0x7f);
dt->hours = BCD2BIN(buf[RTC8564_REG_HR] & 0x3f);
_DBGRTCTM(2, *dt);
@ -255,18 +253,18 @@ rtc8564_set_datetime(struct i2c_client *client, struct rtc_tm *dt, int datetoo)
buf[RTC8564_REG_CTRL1] = CTRL1(client) | RTC8564_CTRL1_STOP;
buf[RTC8564_REG_CTRL2] = CTRL2(client);
buf[RTC8564_REG_SEC] = BIN_TO_BCD(dt->secs);
buf[RTC8564_REG_MIN] = BIN_TO_BCD(dt->mins);
buf[RTC8564_REG_HR] = BIN_TO_BCD(dt->hours);
buf[RTC8564_REG_SEC] = BIN2BCD(dt->secs);
buf[RTC8564_REG_MIN] = BIN2BCD(dt->mins);
buf[RTC8564_REG_HR] = BIN2BCD(dt->hours);
if (datetoo) {
len += 5;
buf[RTC8564_REG_DAY] = BIN_TO_BCD(dt->mday);
buf[RTC8564_REG_WDAY] = BIN_TO_BCD(dt->wday);
buf[RTC8564_REG_MON_CENT] = BIN_TO_BCD(dt->mon) & 0x1f;
buf[RTC8564_REG_DAY] = BIN2BCD(dt->mday);
buf[RTC8564_REG_WDAY] = BIN2BCD(dt->wday);
buf[RTC8564_REG_MON_CENT] = BIN2BCD(dt->mon) & 0x1f;
/* century stored in minute alarm reg */
buf[RTC8564_REG_YEAR] = BIN_TO_BCD(dt->year % 100);
buf[RTC8564_REG_AL_MIN] = BIN_TO_BCD(dt->year / 100);
buf[RTC8564_REG_YEAR] = BIN2BCD(dt->year % 100);
buf[RTC8564_REG_AL_MIN] = BIN2BCD(dt->year / 100);
}
ret = rtc8564_write(client, 0, buf, len);