diff options
Diffstat (limited to 'drivers/rtc/rs5c372.c')
| -rw-r--r-- | drivers/rtc/rs5c372.c | 25 |
1 files changed, 14 insertions, 11 deletions
diff --git a/drivers/rtc/rs5c372.c b/drivers/rtc/rs5c372.c index 38db19929..d6cd7c825 100644 --- a/drivers/rtc/rs5c372.c +++ b/drivers/rtc/rs5c372.c @@ -50,8 +50,8 @@ static unsigned int rtc_debug = DEBUG; #define rtc_debug 0 /* gcc will remove all the debug code for us */ #endif -#ifndef CFG_I2C_RTC_ADDR -#define CFG_I2C_RTC_ADDR 0x32 +#ifndef CONFIG_SYS_I2C_RTC_ADDR +#define CONFIG_SYS_I2C_RTC_ADDR 0x32 #endif #define RS5C372_RAM_SIZE 0x10 @@ -77,7 +77,7 @@ rs5c372_readram(unsigned char *buf, int len) { int ret; - ret = i2c_read(CFG_I2C_RTC_ADDR, 0, 0, buf, len); + ret = i2c_read(CONFIG_SYS_I2C_RTC_ADDR, 0, 0, buf, len); if (ret != 0) { printf("%s: failed to read\n", __FUNCTION__); return ret; @@ -117,7 +117,7 @@ rs5c372_enable(void) buf[14] = 0; /* reg. 13 */ buf[15] = 0; /* reg. 14 */ buf[16] = USE_24HOUR_MODE; /* reg. 15 */ - ret = i2c_write(CFG_I2C_RTC_ADDR, 0, 0, buf, RS5C372_RAM_SIZE+1); + ret = i2c_write(CONFIG_SYS_I2C_RTC_ADDR, 0, 0, buf, RS5C372_RAM_SIZE+1); if (ret != 0) { printf("%s: failed\n", __FUNCTION__); return; @@ -195,8 +195,7 @@ rtc_get (struct rtc_time *tmp) /* * Set the RTC */ -void -rtc_set (struct rtc_time *tmp) +int rtc_set (struct rtc_time *tmp) { unsigned char buf[8], reg15; int ret; @@ -205,7 +204,7 @@ rtc_set (struct rtc_time *tmp) rs5c372_enable(); if (!setup_done) - return; + return -1; if(rtc_debug > 2) { printf("rtc_set: tm_year = %d\n", tmp->tm_year); @@ -219,7 +218,7 @@ rtc_set (struct rtc_time *tmp) memset(buf, 0, sizeof(buf)); /* only read register 15 */ - ret = i2c_read(CFG_I2C_RTC_ADDR, 0, 0, buf, 1); + ret = i2c_read(CONFIG_SYS_I2C_RTC_ADDR, 0, 0, buf, 1); if (ret == 0) { /* need to save register 15 */ @@ -248,12 +247,16 @@ rtc_set (struct rtc_time *tmp) printf("WARNING: year should be between 1970 and 2069!\n"); buf[7] = bin2bcd(tmp->tm_year % 100); - ret = i2c_write(CFG_I2C_RTC_ADDR, 0, 0, buf, 8); - if (ret != 0) + ret = i2c_write(CONFIG_SYS_I2C_RTC_ADDR, 0, 0, buf, 8); + if (ret != 0) { printf("rs5c372_set_datetime(), i2c_master_send() returned %d\n",ret); + return -1; + } + } else { + return -1; } - return; + return 0; } /* |