diff options
Diffstat (limited to 'drivers/rtc')
-rw-r--r-- | drivers/rtc/rtc-twl4030.c | 44 |
1 files changed, 10 insertions, 34 deletions
diff --git a/drivers/rtc/rtc-twl4030.c b/drivers/rtc/rtc-twl4030.c index 8ce5f74ee45b..25dc3e1cedbe 100644 --- a/drivers/rtc/rtc-twl4030.c +++ b/drivers/rtc/rtc-twl4030.c | |||
@@ -120,7 +120,7 @@ static int twl4030_rtc_write_u8(u8 data, u8 reg) | |||
120 | static unsigned char rtc_irq_bits; | 120 | static unsigned char rtc_irq_bits; |
121 | 121 | ||
122 | /* | 122 | /* |
123 | * Enable timer and/or alarm interrupts. | 123 | * Enable 1/second update and/or alarm interrupts. |
124 | */ | 124 | */ |
125 | static int set_rtc_irq_bit(unsigned char bit) | 125 | static int set_rtc_irq_bit(unsigned char bit) |
126 | { | 126 | { |
@@ -128,6 +128,7 @@ static int set_rtc_irq_bit(unsigned char bit) | |||
128 | int ret; | 128 | int ret; |
129 | 129 | ||
130 | val = rtc_irq_bits | bit; | 130 | val = rtc_irq_bits | bit; |
131 | val &= ~BIT_RTC_INTERRUPTS_REG_EVERY_M; | ||
131 | ret = twl4030_rtc_write_u8(val, REG_RTC_INTERRUPTS_REG); | 132 | ret = twl4030_rtc_write_u8(val, REG_RTC_INTERRUPTS_REG); |
132 | if (ret == 0) | 133 | if (ret == 0) |
133 | rtc_irq_bits = val; | 134 | rtc_irq_bits = val; |
@@ -136,7 +137,7 @@ static int set_rtc_irq_bit(unsigned char bit) | |||
136 | } | 137 | } |
137 | 138 | ||
138 | /* | 139 | /* |
139 | * Disable timer and/or alarm interrupts. | 140 | * Disable update and/or alarm interrupts. |
140 | */ | 141 | */ |
141 | static int mask_rtc_irq_bit(unsigned char bit) | 142 | static int mask_rtc_irq_bit(unsigned char bit) |
142 | { | 143 | { |
@@ -151,7 +152,7 @@ static int mask_rtc_irq_bit(unsigned char bit) | |||
151 | return ret; | 152 | return ret; |
152 | } | 153 | } |
153 | 154 | ||
154 | static inline int twl4030_rtc_alarm_irq_set_state(int enabled) | 155 | static int twl4030_rtc_alarm_irq_enable(struct device *dev, unsigned enabled) |
155 | { | 156 | { |
156 | int ret; | 157 | int ret; |
157 | 158 | ||
@@ -163,7 +164,7 @@ static inline int twl4030_rtc_alarm_irq_set_state(int enabled) | |||
163 | return ret; | 164 | return ret; |
164 | } | 165 | } |
165 | 166 | ||
166 | static inline int twl4030_rtc_irq_set_state(int enabled) | 167 | static int twl4030_rtc_update_irq_enable(struct device *dev, unsigned enabled) |
167 | { | 168 | { |
168 | int ret; | 169 | int ret; |
169 | 170 | ||
@@ -292,7 +293,7 @@ static int twl4030_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alm) | |||
292 | unsigned char alarm_data[ALL_TIME_REGS + 1]; | 293 | unsigned char alarm_data[ALL_TIME_REGS + 1]; |
293 | int ret; | 294 | int ret; |
294 | 295 | ||
295 | ret = twl4030_rtc_alarm_irq_set_state(0); | 296 | ret = twl4030_rtc_alarm_irq_enable(dev, 0); |
296 | if (ret) | 297 | if (ret) |
297 | goto out; | 298 | goto out; |
298 | 299 | ||
@@ -312,35 +313,11 @@ static int twl4030_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alm) | |||
312 | } | 313 | } |
313 | 314 | ||
314 | if (alm->enabled) | 315 | if (alm->enabled) |
315 | ret = twl4030_rtc_alarm_irq_set_state(1); | 316 | ret = twl4030_rtc_alarm_irq_enable(dev, 1); |
316 | out: | 317 | out: |
317 | return ret; | 318 | return ret; |
318 | } | 319 | } |
319 | 320 | ||
320 | #ifdef CONFIG_RTC_INTF_DEV | ||
321 | |||
322 | static int twl4030_rtc_ioctl(struct device *dev, unsigned int cmd, | ||
323 | unsigned long arg) | ||
324 | { | ||
325 | switch (cmd) { | ||
326 | case RTC_AIE_OFF: | ||
327 | return twl4030_rtc_alarm_irq_set_state(0); | ||
328 | case RTC_AIE_ON: | ||
329 | return twl4030_rtc_alarm_irq_set_state(1); | ||
330 | case RTC_UIE_OFF: | ||
331 | return twl4030_rtc_irq_set_state(0); | ||
332 | case RTC_UIE_ON: | ||
333 | return twl4030_rtc_irq_set_state(1); | ||
334 | |||
335 | default: | ||
336 | return -ENOIOCTLCMD; | ||
337 | } | ||
338 | } | ||
339 | |||
340 | #else | ||
341 | #define twl4030_rtc_ioctl NULL | ||
342 | #endif | ||
343 | |||
344 | static irqreturn_t twl4030_rtc_interrupt(int irq, void *rtc) | 321 | static irqreturn_t twl4030_rtc_interrupt(int irq, void *rtc) |
345 | { | 322 | { |
346 | unsigned long events = 0; | 323 | unsigned long events = 0; |
@@ -400,11 +377,12 @@ out: | |||
400 | } | 377 | } |
401 | 378 | ||
402 | static struct rtc_class_ops twl4030_rtc_ops = { | 379 | static struct rtc_class_ops twl4030_rtc_ops = { |
403 | .ioctl = twl4030_rtc_ioctl, | ||
404 | .read_time = twl4030_rtc_read_time, | 380 | .read_time = twl4030_rtc_read_time, |
405 | .set_time = twl4030_rtc_set_time, | 381 | .set_time = twl4030_rtc_set_time, |
406 | .read_alarm = twl4030_rtc_read_alarm, | 382 | .read_alarm = twl4030_rtc_read_alarm, |
407 | .set_alarm = twl4030_rtc_set_alarm, | 383 | .set_alarm = twl4030_rtc_set_alarm, |
384 | .alarm_irq_enable = twl4030_rtc_alarm_irq_enable, | ||
385 | .update_irq_enable = twl4030_rtc_update_irq_enable, | ||
408 | }; | 386 | }; |
409 | 387 | ||
410 | /*----------------------------------------------------------------------*/ | 388 | /*----------------------------------------------------------------------*/ |
@@ -422,7 +400,7 @@ static int __devinit twl4030_rtc_probe(struct platform_device *pdev) | |||
422 | rtc = rtc_device_register(pdev->name, | 400 | rtc = rtc_device_register(pdev->name, |
423 | &pdev->dev, &twl4030_rtc_ops, THIS_MODULE); | 401 | &pdev->dev, &twl4030_rtc_ops, THIS_MODULE); |
424 | if (IS_ERR(rtc)) { | 402 | if (IS_ERR(rtc)) { |
425 | ret = -EINVAL; | 403 | ret = PTR_ERR(rtc); |
426 | dev_err(&pdev->dev, "can't register RTC device, err %ld\n", | 404 | dev_err(&pdev->dev, "can't register RTC device, err %ld\n", |
427 | PTR_ERR(rtc)); | 405 | PTR_ERR(rtc)); |
428 | goto out0; | 406 | goto out0; |
@@ -432,7 +410,6 @@ static int __devinit twl4030_rtc_probe(struct platform_device *pdev) | |||
432 | platform_set_drvdata(pdev, rtc); | 410 | platform_set_drvdata(pdev, rtc); |
433 | 411 | ||
434 | ret = twl4030_rtc_read_u8(&rd_reg, REG_RTC_STATUS_REG); | 412 | ret = twl4030_rtc_read_u8(&rd_reg, REG_RTC_STATUS_REG); |
435 | |||
436 | if (ret < 0) | 413 | if (ret < 0) |
437 | goto out1; | 414 | goto out1; |
438 | 415 | ||
@@ -475,7 +452,6 @@ static int __devinit twl4030_rtc_probe(struct platform_device *pdev) | |||
475 | 452 | ||
476 | return ret; | 453 | return ret; |
477 | 454 | ||
478 | |||
479 | out2: | 455 | out2: |
480 | free_irq(irq, rtc); | 456 | free_irq(irq, rtc); |
481 | out1: | 457 | out1: |