diff options
author | David Brown <davidb@codeaurora.org> | 2011-03-17 01:13:16 -0400 |
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committer | David Brown <davidb@codeaurora.org> | 2011-03-17 01:13:16 -0400 |
commit | 92c260f755c42337c550d8ac1f8ccd1b32bffb20 (patch) | |
tree | 6d04fefc1adeecabfb2b00c201e0db78fa2b5529 /drivers/rtc/rtc-ds1307.c | |
parent | 8e76a80960bf06c245160a484d5a363ca6b520bb (diff) | |
parent | 05e34754518b6a90d5c392790c032575fab12d66 (diff) |
Merge remote branch 'rmk/for-linus' into for-linus
* rmk/for-linus: (1557 commits)
ARM: 6806/1: irq: introduce entry and exit functions for chained handlers
ARM: 6781/1: Thumb-2: Work around buggy Thumb-2 short branch relocations in gas
ARM: 6747/1: P2V: Thumb2 support
ARM: 6798/1: aout-core: zero thread debug registers in a.out core dump
ARM: 6796/1: Footbridge: Fix I/O mappings for NOMMU mode
ARM: 6784/1: errata: no automatic Store Buffer drain on Cortex-A9
ARM: 6772/1: errata: possible fault MMU translations following an ASID switch
ARM: 6776/1: mach-ux500: activate fix for errata 753970
ARM: 6794/1: SPEAr: Append UL to device address macros.
ARM: 6793/1: SPEAr: Remove unused *_SIZE macros from spear*.h files
ARM: 6792/1: SPEAr: Replace SIZE macro's with SZ_4K macros
ARM: 6791/1: SPEAr3xx: Declare device structures after shirq code
ARM: 6790/1: SPEAr: Clock Framework: Rename usbd clock and align apb_clk entry
ARM: 6789/1: SPEAr3xx: Rename sdio to sdhci
ARM: 6788/1: SPEAr: Include mach/hardware.h instead of mach/spear.h
ARM: 6787/1: SPEAr: Reorder #includes in .h & .c files.
ARM: 6681/1: SPEAr: add debugfs support to clk API
ARM: 6703/1: SPEAr: update clk API support
ARM: 6679/1: SPEAr: make clk API functions more generic
ARM: 6737/1: SPEAr: formalized timer support
...
Conflicts:
arch/arm/mach-msm/board-msm7x27.c
arch/arm/mach-msm/board-msm7x30.c
arch/arm/mach-msm/board-qsd8x50.c
arch/arm/mach-msm/board-sapphire.c
arch/arm/mach-msm/include/mach/memory.h
Diffstat (limited to 'drivers/rtc/rtc-ds1307.c')
-rw-r--r-- | drivers/rtc/rtc-ds1307.c | 49 |
1 files changed, 13 insertions, 36 deletions
diff --git a/drivers/rtc/rtc-ds1307.c b/drivers/rtc/rtc-ds1307.c index 0d559b6416dd..4724ba3acf1a 100644 --- a/drivers/rtc/rtc-ds1307.c +++ b/drivers/rtc/rtc-ds1307.c | |||
@@ -495,50 +495,27 @@ static int ds1337_set_alarm(struct device *dev, struct rtc_wkalrm *t) | |||
495 | return 0; | 495 | return 0; |
496 | } | 496 | } |
497 | 497 | ||
498 | static int ds1307_ioctl(struct device *dev, unsigned int cmd, unsigned long arg) | 498 | static int ds1307_alarm_irq_enable(struct device *dev, unsigned int enabled) |
499 | { | 499 | { |
500 | struct i2c_client *client = to_i2c_client(dev); | 500 | struct i2c_client *client = to_i2c_client(dev); |
501 | struct ds1307 *ds1307 = i2c_get_clientdata(client); | 501 | struct ds1307 *ds1307 = i2c_get_clientdata(client); |
502 | int ret; | 502 | int ret; |
503 | 503 | ||
504 | switch (cmd) { | 504 | if (!test_bit(HAS_ALARM, &ds1307->flags)) |
505 | case RTC_AIE_OFF: | 505 | return -ENOTTY; |
506 | if (!test_bit(HAS_ALARM, &ds1307->flags)) | ||
507 | return -ENOTTY; | ||
508 | |||
509 | ret = i2c_smbus_read_byte_data(client, DS1337_REG_CONTROL); | ||
510 | if (ret < 0) | ||
511 | return ret; | ||
512 | |||
513 | ret &= ~DS1337_BIT_A1IE; | ||
514 | |||
515 | ret = i2c_smbus_write_byte_data(client, | ||
516 | DS1337_REG_CONTROL, ret); | ||
517 | if (ret < 0) | ||
518 | return ret; | ||
519 | |||
520 | break; | ||
521 | |||
522 | case RTC_AIE_ON: | ||
523 | if (!test_bit(HAS_ALARM, &ds1307->flags)) | ||
524 | return -ENOTTY; | ||
525 | 506 | ||
526 | ret = i2c_smbus_read_byte_data(client, DS1337_REG_CONTROL); | 507 | ret = i2c_smbus_read_byte_data(client, DS1337_REG_CONTROL); |
527 | if (ret < 0) | 508 | if (ret < 0) |
528 | return ret; | 509 | return ret; |
529 | 510 | ||
511 | if (enabled) | ||
530 | ret |= DS1337_BIT_A1IE; | 512 | ret |= DS1337_BIT_A1IE; |
513 | else | ||
514 | ret &= ~DS1337_BIT_A1IE; | ||
531 | 515 | ||
532 | ret = i2c_smbus_write_byte_data(client, | 516 | ret = i2c_smbus_write_byte_data(client, DS1337_REG_CONTROL, ret); |
533 | DS1337_REG_CONTROL, ret); | 517 | if (ret < 0) |
534 | if (ret < 0) | 518 | return ret; |
535 | return ret; | ||
536 | |||
537 | break; | ||
538 | |||
539 | default: | ||
540 | return -ENOIOCTLCMD; | ||
541 | } | ||
542 | 519 | ||
543 | return 0; | 520 | return 0; |
544 | } | 521 | } |
@@ -548,7 +525,7 @@ static const struct rtc_class_ops ds13xx_rtc_ops = { | |||
548 | .set_time = ds1307_set_time, | 525 | .set_time = ds1307_set_time, |
549 | .read_alarm = ds1337_read_alarm, | 526 | .read_alarm = ds1337_read_alarm, |
550 | .set_alarm = ds1337_set_alarm, | 527 | .set_alarm = ds1337_set_alarm, |
551 | .ioctl = ds1307_ioctl, | 528 | .alarm_irq_enable = ds1307_alarm_irq_enable, |
552 | }; | 529 | }; |
553 | 530 | ||
554 | /*----------------------------------------------------------------------*/ | 531 | /*----------------------------------------------------------------------*/ |