648 	unsigned char i2c_data[2];  in wdt_ping()  local
654 			.buf	= i2c_data,  in wdt_ping()
659 	i2c_data[0] = 0x09;		/* watchdog register */  in wdt_ping()
662 		i2c_data[1] = (wdt_margin & 0xFC) | 0x83; /* resolution = 4s */  in wdt_ping()
667 		i2c_data[1] = wdt_margin << 2 | 0x82;  in wdt_ping()
674 		i2c_data[1] &= ~M41T80_WATCHDOG_RB2;  in wdt_ping()
684 	unsigned char i2c_data[2], i2c_buf[0x10];  in wdt_disable()  local
690 			.buf	= i2c_data,  in wdt_disable()
704 			.buf	= i2c_data,  in wdt_disable()
708 	i2c_data[0] = 0x09;  in wdt_disable()
711 	i2c_data[0] = 0x09;  in wdt_disable()
712 	i2c_data[1] = 0x00;  in wdt_disable()