146 	u8		buf[2];  in ds1305_alarm_irq_enable()  local
149 	buf[0] = DS1305_WRITE | DS1305_CONTROL;  in ds1305_alarm_irq_enable()
150 	buf[1] = ds1305->ctrl[0];  in ds1305_alarm_irq_enable()
155 		buf[1] |= DS1305_AEI0;  in ds1305_alarm_irq_enable()
157 		if (!(buf[1] & DS1305_AEI0))  in ds1305_alarm_irq_enable()
159 		buf[1] &= ~DS1305_AEI0;  in ds1305_alarm_irq_enable()
161 	err = spi_write_then_read(ds1305->spi, buf, sizeof(buf), NULL, 0);  in ds1305_alarm_irq_enable()
163 		ds1305->ctrl[0] = buf[1];  in ds1305_alarm_irq_enable()
178 	u8		buf[DS1305_RTC_LEN];  in ds1305_get_time()  local
185 			buf, sizeof(buf));  in ds1305_get_time()
190 		"read", buf[0], buf[1], buf[2], buf[3],  in ds1305_get_time()
191 		buf[4], buf[5], buf[6]);  in ds1305_get_time()
194 	time->tm_sec = bcd2bin(buf[DS1305_SEC]);  in ds1305_get_time()
195 	time->tm_min = bcd2bin(buf[DS1305_MIN]);  in ds1305_get_time()
196 	time->tm_hour = bcd2hour(buf[DS1305_HOUR]);  in ds1305_get_time()
197 	time->tm_wday = buf[DS1305_WDAY] - 1;  in ds1305_get_time()
198 	time->tm_mday = bcd2bin(buf[DS1305_MDAY]);  in ds1305_get_time()
199 	time->tm_mon = bcd2bin(buf[DS1305_MON]) - 1;  in ds1305_get_time()
200 	time->tm_year = bcd2bin(buf[DS1305_YEAR]) + 100;  in ds1305_get_time()
215 	u8		buf[1 + DS1305_RTC_LEN];  in ds1305_set_time()  local
216 	u8		*bp = buf;  in ds1305_set_time()
236 		"write", buf[1], buf[2], buf[3],  in ds1305_set_time()
237 		buf[4], buf[5], buf[6], buf[7]);  in ds1305_set_time()
240 	return spi_write_then_read(ds1305->spi, buf, sizeof(buf),  in ds1305_set_time()
281 	u8		buf[DS1305_ALM_LEN];  in ds1305_get_alarm()  local
300 			buf, sizeof(buf));  in ds1305_get_alarm()
305 		"alm0 read", buf[DS1305_SEC], buf[DS1305_MIN],  in ds1305_get_alarm()
306 		buf[DS1305_HOUR], buf[DS1305_WDAY]);  in ds1305_get_alarm()
308 	if ((DS1305_ALM_DISABLE & buf[DS1305_SEC])  in ds1305_get_alarm()
309 			|| (DS1305_ALM_DISABLE & buf[DS1305_MIN])  in ds1305_get_alarm()
310 			|| (DS1305_ALM_DISABLE & buf[DS1305_HOUR]))  in ds1305_get_alarm()
317 	alm->time.tm_sec = bcd2bin(buf[DS1305_SEC]);  in ds1305_get_alarm()
318 	alm->time.tm_min = bcd2bin(buf[DS1305_MIN]);  in ds1305_get_alarm()
319 	alm->time.tm_hour = bcd2hour(buf[DS1305_HOUR]);  in ds1305_get_alarm()
341 	u8		buf[1 + DS1305_ALM_LEN];  in ds1305_set_alarm()  local
366 		buf[0] = DS1305_WRITE | DS1305_CONTROL;  in ds1305_set_alarm()
367 		buf[1] = ds1305->ctrl[0];  in ds1305_set_alarm()
368 		status = spi_write_then_read(ds1305->spi, buf, 2, NULL, 0);  in ds1305_set_alarm()
374 	buf[0] = DS1305_WRITE | DS1305_ALM0(DS1305_SEC);  in ds1305_set_alarm()
375 	buf[1 + DS1305_SEC] = bin2bcd(alm->time.tm_sec);  in ds1305_set_alarm()
376 	buf[1 + DS1305_MIN] = bin2bcd(alm->time.tm_min);  in ds1305_set_alarm()
377 	buf[1 + DS1305_HOUR] = hour2bcd(ds1305->hr12, alm->time.tm_hour);  in ds1305_set_alarm()
378 	buf[1 + DS1305_WDAY] = DS1305_ALM_DISABLE;  in ds1305_set_alarm()
381 		"alm0 write", buf[1 + DS1305_SEC], buf[1 + DS1305_MIN],  in ds1305_set_alarm()
382 		buf[1 + DS1305_HOUR], buf[1 + DS1305_WDAY]);  in ds1305_set_alarm()
384 	status = spi_write_then_read(spi, buf, sizeof(buf), NULL, 0);  in ds1305_set_alarm()
392 		buf[0] = DS1305_WRITE | DS1305_CONTROL;  in ds1305_set_alarm()
393 		buf[1] = ds1305->ctrl[0];  in ds1305_set_alarm()
394 		status = spi_write_then_read(ds1305->spi, buf, 2, NULL, 0);  in ds1305_set_alarm()
460 	u8		buf[3];  in ds1305_work()  local
473 	buf[0] = DS1305_WRITE | DS1305_CONTROL;  in ds1305_work()
474 	buf[1] = ds1305->ctrl[0];  in ds1305_work()
475 	buf[2] = 0;  in ds1305_work()
477 	status = spi_write_then_read(spi, buf, sizeof(buf),  in ds1305_work()
531 		char *buf, loff_t off, size_t count)  in ds1305_nvram_read()  argument
551 	msg_init(&m, x, &addr, count, NULL, buf);  in ds1305_nvram_read()
562 		char *buf, loff_t off, size_t count)  in ds1305_nvram_write()  argument
582 	msg_init(&m, x, &addr, count, buf, NULL);  in ds1305_nvram_write()
656 		u8		buf[2];  in ds1305_probe()  local
660 		buf[0] = DS1305_WRITE | DS1305_CONTROL;  in ds1305_probe()
661 		buf[1] = ds1305->ctrl[0];  in ds1305_probe()
662 		status = spi_write_then_read(spi, buf, sizeof(buf), NULL, 0);  in ds1305_probe()
710 		u8		buf[4];  in ds1305_probe()  local
712 		buf[0] = DS1305_WRITE | DS1305_CONTROL;  in ds1305_probe()
713 		buf[1] = ds1305->ctrl[0];  in ds1305_probe()
714 		buf[2] = ds1305->ctrl[1];  in ds1305_probe()
715 		buf[3] = ds1305->ctrl[2];  in ds1305_probe()
716 		status = spi_write_then_read(spi, buf, sizeof(buf), NULL, 0);  in ds1305_probe()