diff options
author | Andrew Morton <akpm@osdl.org> | 2006-06-25 08:48:27 -0400 |
---|---|---|
committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-06-25 13:01:14 -0400 |
commit | e7a8bb12c24af8e3e4bdf18a7484699acc9dbedb (patch) | |
tree | b0e942d912bdb2755991bd675c5263c288ed8699 /drivers/rtc/rtc-at91.c | |
parent | 788b1fc619a31ebdbadd3a8863631f59a4bd2944 (diff) |
[PATCH] at91rm9200-rtc-driver-tidy
- whitespace fixes (80-col display)
- one unneeded cast of void*
Cc: Andrew Victor <andrew@sanpeople.com>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Cc: Russell King <rmk@arm.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers/rtc/rtc-at91.c')
-rw-r--r-- | drivers/rtc/rtc-at91.c | 79 |
1 files changed, 49 insertions, 30 deletions
diff --git a/drivers/rtc/rtc-at91.c b/drivers/rtc/rtc-at91.c index b03aba5f39eb..b676f443c17e 100644 --- a/drivers/rtc/rtc-at91.c +++ b/drivers/rtc/rtc-at91.c | |||
@@ -40,11 +40,11 @@ | |||
40 | static DECLARE_COMPLETION(at91_rtc_updated); | 40 | static DECLARE_COMPLETION(at91_rtc_updated); |
41 | static unsigned int at91_alarm_year = AT91_RTC_EPOCH; | 41 | static unsigned int at91_alarm_year = AT91_RTC_EPOCH; |
42 | 42 | ||
43 | |||
44 | /* | 43 | /* |
45 | * Decode time/date into rtc_time structure | 44 | * Decode time/date into rtc_time structure |
46 | */ | 45 | */ |
47 | static void at91_rtc_decodetime(unsigned int timereg, unsigned int calreg, struct rtc_time *tm) | 46 | static void at91_rtc_decodetime(unsigned int timereg, unsigned int calreg, |
47 | struct rtc_time *tm) | ||
48 | { | 48 | { |
49 | unsigned int time, date; | 49 | unsigned int time, date; |
50 | 50 | ||
@@ -52,7 +52,8 @@ static void at91_rtc_decodetime(unsigned int timereg, unsigned int calreg, struc | |||
52 | do { | 52 | do { |
53 | time = at91_sys_read(timereg); | 53 | time = at91_sys_read(timereg); |
54 | date = at91_sys_read(calreg); | 54 | date = at91_sys_read(calreg); |
55 | } while ((time != at91_sys_read(timereg)) || (date != at91_sys_read(calreg))); | 55 | } while ((time != at91_sys_read(timereg)) || |
56 | (date != at91_sys_read(calreg))); | ||
56 | 57 | ||
57 | tm->tm_sec = BCD2BIN((time & AT91_RTC_SEC) >> 0); | 58 | tm->tm_sec = BCD2BIN((time & AT91_RTC_SEC) >> 0); |
58 | tm->tm_min = BCD2BIN((time & AT91_RTC_MIN) >> 8); | 59 | tm->tm_min = BCD2BIN((time & AT91_RTC_MIN) >> 8); |
@@ -63,8 +64,8 @@ static void at91_rtc_decodetime(unsigned int timereg, unsigned int calreg, struc | |||
63 | * the year - so these will return an invalid value. When an | 64 | * the year - so these will return an invalid value. When an |
64 | * alarm is set, at91_alarm_year wille store the current year. | 65 | * alarm is set, at91_alarm_year wille store the current year. |
65 | */ | 66 | */ |
66 | tm->tm_year = BCD2BIN(date & AT91_RTC_CENT) * 100; /* century */ | 67 | tm->tm_year = BCD2BIN(date & AT91_RTC_CENT) * 100; /* century */ |
67 | tm->tm_year += BCD2BIN((date & AT91_RTC_YEAR) >> 8); /* year */ | 68 | tm->tm_year += BCD2BIN((date & AT91_RTC_YEAR) >> 8); /* year */ |
68 | 69 | ||
69 | tm->tm_wday = BCD2BIN((date & AT91_RTC_DAY) >> 21) - 1; /* day of the week [0-6], Sunday=0 */ | 70 | tm->tm_wday = BCD2BIN((date & AT91_RTC_DAY) >> 21) - 1; /* day of the week [0-6], Sunday=0 */ |
70 | tm->tm_mon = BCD2BIN((date & AT91_RTC_MONTH) >> 16) - 1; | 71 | tm->tm_mon = BCD2BIN((date & AT91_RTC_MONTH) >> 16) - 1; |
@@ -81,7 +82,8 @@ static int at91_rtc_readtime(struct device *dev, struct rtc_time *tm) | |||
81 | tm->tm_year = tm->tm_year - 1900; | 82 | tm->tm_year = tm->tm_year - 1900; |
82 | 83 | ||
83 | pr_debug("%s(): %4d-%02d-%02d %02d:%02d:%02d\n", __FUNCTION__, | 84 | pr_debug("%s(): %4d-%02d-%02d %02d:%02d:%02d\n", __FUNCTION__, |
84 | 1900 + tm->tm_year, tm->tm_mon, tm->tm_mday, tm->tm_hour, tm->tm_min, tm->tm_sec); | 85 | 1900 + tm->tm_year, tm->tm_mon, tm->tm_mday, |
86 | tm->tm_hour, tm->tm_min, tm->tm_sec); | ||
85 | 87 | ||
86 | return 0; | 88 | return 0; |
87 | } | 89 | } |
@@ -94,14 +96,15 @@ static int at91_rtc_settime(struct device *dev, struct rtc_time *tm) | |||
94 | unsigned long cr; | 96 | unsigned long cr; |
95 | 97 | ||
96 | pr_debug("%s(): %4d-%02d-%02d %02d:%02d:%02d\n", __FUNCTION__, | 98 | pr_debug("%s(): %4d-%02d-%02d %02d:%02d:%02d\n", __FUNCTION__, |
97 | 1900 + tm->tm_year, tm->tm_mon, tm->tm_mday, tm->tm_hour, tm->tm_min, tm->tm_sec); | 99 | 1900 + tm->tm_year, tm->tm_mon, tm->tm_mday, |
100 | tm->tm_hour, tm->tm_min, tm->tm_sec); | ||
98 | 101 | ||
99 | /* Stop Time/Calendar from counting */ | 102 | /* Stop Time/Calendar from counting */ |
100 | cr = at91_sys_read(AT91_RTC_CR); | 103 | cr = at91_sys_read(AT91_RTC_CR); |
101 | at91_sys_write(AT91_RTC_CR, cr | AT91_RTC_UPDCAL | AT91_RTC_UPDTIM); | 104 | at91_sys_write(AT91_RTC_CR, cr | AT91_RTC_UPDCAL | AT91_RTC_UPDTIM); |
102 | 105 | ||
103 | at91_sys_write(AT91_RTC_IER, AT91_RTC_ACKUPD); | 106 | at91_sys_write(AT91_RTC_IER, AT91_RTC_ACKUPD); |
104 | wait_for_completion(&at91_rtc_updated); /* wait for ACKUPD interrupt */ | 107 | wait_for_completion(&at91_rtc_updated); /* wait for ACKUPD interrupt */ |
105 | at91_sys_write(AT91_RTC_IDR, AT91_RTC_ACKUPD); | 108 | at91_sys_write(AT91_RTC_IDR, AT91_RTC_ACKUPD); |
106 | 109 | ||
107 | at91_sys_write(AT91_RTC_TIMR, | 110 | at91_sys_write(AT91_RTC_TIMR, |
@@ -110,10 +113,10 @@ static int at91_rtc_settime(struct device *dev, struct rtc_time *tm) | |||
110 | | BIN2BCD(tm->tm_hour) << 16); | 113 | | BIN2BCD(tm->tm_hour) << 16); |
111 | 114 | ||
112 | at91_sys_write(AT91_RTC_CALR, | 115 | at91_sys_write(AT91_RTC_CALR, |
113 | BIN2BCD((tm->tm_year + 1900) / 100) /* century */ | 116 | BIN2BCD((tm->tm_year + 1900) / 100) /* century */ |
114 | | BIN2BCD(tm->tm_year % 100) << 8 /* year */ | 117 | | BIN2BCD(tm->tm_year % 100) << 8 /* year */ |
115 | | BIN2BCD(tm->tm_mon + 1) << 16 /* tm_mon starts at zero */ | 118 | | BIN2BCD(tm->tm_mon + 1) << 16 /* tm_mon starts at zero */ |
116 | | BIN2BCD(tm->tm_wday + 1) << 21 /* day of the week [0-6], Sunday=0 */ | 119 | | BIN2BCD(tm->tm_wday + 1) << 21 /* day of the week [0-6], Sunday=0 */ |
117 | | BIN2BCD(tm->tm_mday) << 24); | 120 | | BIN2BCD(tm->tm_mday) << 24); |
118 | 121 | ||
119 | /* Restart Time/Calendar */ | 122 | /* Restart Time/Calendar */ |
@@ -135,7 +138,8 @@ static int at91_rtc_readalarm(struct device *dev, struct rtc_wkalrm *alrm) | |||
135 | tm->tm_year = at91_alarm_year - 1900; | 138 | tm->tm_year = at91_alarm_year - 1900; |
136 | 139 | ||
137 | pr_debug("%s(): %4d-%02d-%02d %02d:%02d:%02d\n", __FUNCTION__, | 140 | pr_debug("%s(): %4d-%02d-%02d %02d:%02d:%02d\n", __FUNCTION__, |
138 | 1900 + tm->tm_year, tm->tm_mon, tm->tm_mday, tm->tm_hour, tm->tm_min, tm->tm_sec); | 141 | 1900 + tm->tm_year, tm->tm_mon, tm->tm_mday, |
142 | tm->tm_hour, tm->tm_min, tm->tm_sec); | ||
139 | 143 | ||
140 | return 0; | 144 | return 0; |
141 | } | 145 | } |
@@ -166,7 +170,8 @@ static int at91_rtc_setalarm(struct device *dev, struct rtc_wkalrm *alrm) | |||
166 | | AT91_RTC_DATEEN | AT91_RTC_MTHEN); | 170 | | AT91_RTC_DATEEN | AT91_RTC_MTHEN); |
167 | 171 | ||
168 | pr_debug("%s(): %4d-%02d-%02d %02d:%02d:%02d\n", __FUNCTION__, | 172 | pr_debug("%s(): %4d-%02d-%02d %02d:%02d:%02d\n", __FUNCTION__, |
169 | at91_alarm_year, tm.tm_mon, tm.tm_mday, tm.tm_hour, tm.tm_min, tm.tm_sec); | 173 | at91_alarm_year, tm.tm_mon, tm.tm_mday, tm.tm_hour, |
174 | tm.tm_min, tm.tm_sec); | ||
170 | 175 | ||
171 | return 0; | 176 | return 0; |
172 | } | 177 | } |
@@ -174,7 +179,8 @@ static int at91_rtc_setalarm(struct device *dev, struct rtc_wkalrm *alrm) | |||
174 | /* | 179 | /* |
175 | * Handle commands from user-space | 180 | * Handle commands from user-space |
176 | */ | 181 | */ |
177 | static int at91_rtc_ioctl(struct device *dev, unsigned int cmd, unsigned long arg) | 182 | static int at91_rtc_ioctl(struct device *dev, unsigned int cmd, |
183 | unsigned long arg) | ||
178 | { | 184 | { |
179 | int ret = 0; | 185 | int ret = 0; |
180 | 186 | ||
@@ -217,10 +223,14 @@ static int at91_rtc_proc(struct device *dev, struct seq_file *seq) | |||
217 | { | 223 | { |
218 | unsigned long imr = at91_sys_read(AT91_RTC_IMR); | 224 | unsigned long imr = at91_sys_read(AT91_RTC_IMR); |
219 | 225 | ||
220 | seq_printf(seq, "alarm_IRQ\t: %s\n", (imr & AT91_RTC_ALARM) ? "yes" : "no"); | 226 | seq_printf(seq, "alarm_IRQ\t: %s\n", |
221 | seq_printf(seq, "update_IRQ\t: %s\n", (imr & AT91_RTC_ACKUPD) ? "yes" : "no"); | 227 | (imr & AT91_RTC_ALARM) ? "yes" : "no"); |
222 | seq_printf(seq, "periodic_IRQ\t: %s\n", (imr & AT91_RTC_SECEV) ? "yes" : "no"); | 228 | seq_printf(seq, "update_IRQ\t: %s\n", |
223 | seq_printf(seq, "periodic_freq\t: %ld\n", (unsigned long) AT91_RTC_FREQ); | 229 | (imr & AT91_RTC_ACKUPD) ? "yes" : "no"); |
230 | seq_printf(seq, "periodic_IRQ\t: %s\n", | ||
231 | (imr & AT91_RTC_SECEV) ? "yes" : "no"); | ||
232 | seq_printf(seq, "periodic_freq\t: %ld\n", | ||
233 | (unsigned long) AT91_RTC_FREQ); | ||
224 | 234 | ||
225 | return 0; | 235 | return 0; |
226 | } | 236 | } |
@@ -228,9 +238,10 @@ static int at91_rtc_proc(struct device *dev, struct seq_file *seq) | |||
228 | /* | 238 | /* |
229 | * IRQ handler for the RTC | 239 | * IRQ handler for the RTC |
230 | */ | 240 | */ |
231 | static irqreturn_t at91_rtc_interrupt(int irq, void *dev_id, struct pt_regs *regs) | 241 | static irqreturn_t at91_rtc_interrupt(int irq, void *dev_id, |
242 | struct pt_regs *regs) | ||
232 | { | 243 | { |
233 | struct platform_device *pdev = (struct platform_device *)dev_id; | 244 | struct platform_device *pdev = dev_id; |
234 | struct rtc_device *rtc = platform_get_drvdata(pdev); | 245 | struct rtc_device *rtc = platform_get_drvdata(pdev); |
235 | unsigned int rtsr; | 246 | unsigned int rtsr; |
236 | unsigned long events = 0; | 247 | unsigned long events = 0; |
@@ -244,7 +255,7 @@ static irqreturn_t at91_rtc_interrupt(int irq, void *dev_id, struct pt_regs *reg | |||
244 | if (rtsr & AT91_RTC_ACKUPD) | 255 | if (rtsr & AT91_RTC_ACKUPD) |
245 | complete(&at91_rtc_updated); | 256 | complete(&at91_rtc_updated); |
246 | 257 | ||
247 | at91_sys_write(AT91_RTC_SCCR, rtsr); /* clear status reg */ | 258 | at91_sys_write(AT91_RTC_SCCR, rtsr); /* clear status reg */ |
248 | 259 | ||
249 | rtc_update_irq(&rtc->class_dev, 1, events); | 260 | rtc_update_irq(&rtc->class_dev, 1, events); |
250 | 261 | ||
@@ -277,15 +288,20 @@ static int __init at91_rtc_probe(struct platform_device *pdev) | |||
277 | at91_sys_write(AT91_RTC_MR, 0); /* 24 hour mode */ | 288 | at91_sys_write(AT91_RTC_MR, 0); /* 24 hour mode */ |
278 | 289 | ||
279 | /* Disable all interrupts */ | 290 | /* Disable all interrupts */ |
280 | at91_sys_write(AT91_RTC_IDR, AT91_RTC_ACKUPD | AT91_RTC_ALARM | AT91_RTC_SECEV | AT91_RTC_TIMEV | AT91_RTC_CALEV); | 291 | at91_sys_write(AT91_RTC_IDR, AT91_RTC_ACKUPD | AT91_RTC_ALARM | |
292 | AT91_RTC_SECEV | AT91_RTC_TIMEV | | ||
293 | AT91_RTC_CALEV); | ||
281 | 294 | ||
282 | ret = request_irq(AT91_ID_SYS, at91_rtc_interrupt, SA_SHIRQ, "at91_rtc", pdev); | 295 | ret = request_irq(AT91_ID_SYS, at91_rtc_interrupt, |
296 | SA_SHIRQ, "at91_rtc", pdev); | ||
283 | if (ret) { | 297 | if (ret) { |
284 | printk(KERN_ERR "at91_rtc: IRQ %d already in use.\n", AT91_ID_SYS); | 298 | printk(KERN_ERR "at91_rtc: IRQ %d already in use.\n", |
299 | AT91_ID_SYS); | ||
285 | return ret; | 300 | return ret; |
286 | } | 301 | } |
287 | 302 | ||
288 | rtc = rtc_device_register(pdev->name, &pdev->dev, &at91_rtc_ops, THIS_MODULE); | 303 | rtc = rtc_device_register(pdev->name, &pdev->dev, |
304 | &at91_rtc_ops, THIS_MODULE); | ||
289 | if (IS_ERR(rtc)) { | 305 | if (IS_ERR(rtc)) { |
290 | free_irq(AT91_ID_SYS, pdev); | 306 | free_irq(AT91_ID_SYS, pdev); |
291 | return PTR_ERR(rtc); | 307 | return PTR_ERR(rtc); |
@@ -304,7 +320,9 @@ static int __devexit at91_rtc_remove(struct platform_device *pdev) | |||
304 | struct rtc_device *rtc = platform_get_drvdata(pdev); | 320 | struct rtc_device *rtc = platform_get_drvdata(pdev); |
305 | 321 | ||
306 | /* Disable all interrupts */ | 322 | /* Disable all interrupts */ |
307 | at91_sys_write(AT91_RTC_IDR, AT91_RTC_ACKUPD | AT91_RTC_ALARM | AT91_RTC_SECEV | AT91_RTC_TIMEV | AT91_RTC_CALEV); | 323 | at91_sys_write(AT91_RTC_IDR, AT91_RTC_ACKUPD | AT91_RTC_ALARM | |
324 | AT91_RTC_SECEV | AT91_RTC_TIMEV | | ||
325 | AT91_RTC_CALEV); | ||
308 | free_irq(AT91_ID_SYS, pdev); | 326 | free_irq(AT91_ID_SYS, pdev); |
309 | 327 | ||
310 | rtc_device_unregister(rtc); | 328 | rtc_device_unregister(rtc); |
@@ -332,7 +350,8 @@ static int at91_rtc_suspend(struct platform_device *pdev, pm_message_t state) | |||
332 | save_time_delta(&at91_rtc_delta, &time); | 350 | save_time_delta(&at91_rtc_delta, &time); |
333 | 351 | ||
334 | pr_debug("%s(): %4d-%02d-%02d %02d:%02d:%02d\n", __FUNCTION__, | 352 | pr_debug("%s(): %4d-%02d-%02d %02d:%02d:%02d\n", __FUNCTION__, |
335 | 1900 + tm.tm_year, tm.tm_mon, tm.tm_mday, tm.tm_hour, tm.tm_min, tm.tm_sec); | 353 | 1900 + tm.tm_year, tm.tm_mon, tm.tm_mday, |
354 | tm.tm_hour, tm.tm_min, tm.tm_sec); | ||
336 | 355 | ||
337 | return 0; | 356 | return 0; |
338 | } | 357 | } |
@@ -349,7 +368,8 @@ static int at91_rtc_resume(struct platform_device *pdev) | |||
349 | restore_time_delta(&at91_rtc_delta, &time); | 368 | restore_time_delta(&at91_rtc_delta, &time); |
350 | 369 | ||
351 | pr_debug("%s(): %4d-%02d-%02d %02d:%02d:%02d\n", __FUNCTION__, | 370 | pr_debug("%s(): %4d-%02d-%02d %02d:%02d:%02d\n", __FUNCTION__, |
352 | 1900 + tm.tm_year, tm.tm_mon, tm.tm_mday, tm.tm_hour, tm.tm_min, tm.tm_sec); | 371 | 1900 + tm.tm_year, tm.tm_mon, tm.tm_mday, |
372 | tm.tm_hour, tm.tm_min, tm.tm_sec); | ||
353 | 373 | ||
354 | return 0; | 374 | return 0; |
355 | } | 375 | } |
@@ -379,7 +399,6 @@ static void __exit at91_rtc_exit(void) | |||
379 | platform_driver_unregister(&at91_rtc_driver); | 399 | platform_driver_unregister(&at91_rtc_driver); |
380 | } | 400 | } |
381 | 401 | ||
382 | |||
383 | module_init(at91_rtc_init); | 402 | module_init(at91_rtc_init); |
384 | module_exit(at91_rtc_exit); | 403 | module_exit(at91_rtc_exit); |
385 | 404 | ||