diff options
Diffstat (limited to 'drivers/rtc')
| -rw-r--r-- | drivers/rtc/rtc-omap.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/drivers/rtc/rtc-omap.c b/drivers/rtc/rtc-omap.c index 64d9727b7229..73377b0d65da 100644 --- a/drivers/rtc/rtc-omap.c +++ b/drivers/rtc/rtc-omap.c @@ -34,7 +34,8 @@ * Board-specific wiring options include using split power mode with * RTC_OFF_NOFF used as the reset signal (so the RTC won't be reset), * and wiring RTC_WAKE_INT (so the RTC alarm can wake the system from - * low power modes). See the BOARD-SPECIFIC CUSTOMIZATION comment. + * low power modes) for OMAP1 boards (OMAP-L138 has this built into + * the SoC). See the BOARD-SPECIFIC CUSTOMIZATION comment. */ #define OMAP_RTC_BASE 0xfffb4800 @@ -401,16 +402,17 @@ static int __init omap_rtc_probe(struct platform_device *pdev) /* BOARD-SPECIFIC CUSTOMIZATION CAN GO HERE: * - * - Boards wired so that RTC_WAKE_INT does something, and muxed - * right (W13_1610_RTC_WAKE_INT is the default after chip reset), - * should initialize the device wakeup flag appropriately. + * - Device wake-up capability setting should come through chip + * init logic. OMAP1 boards should initialize the "wakeup capable" + * flag in the platform device if the board is wired right for + * being woken up by RTC alarm. For OMAP-L138, this capability + * is built into the SoC by the "Deep Sleep" capability. * * - Boards wired so RTC_ON_nOFF is used as the reset signal, * rather than nPWRON_RESET, should forcibly enable split * power mode. (Some chip errata report that RTC_CTRL_SPLIT * is write-only, and always reads as zero...) */ - device_init_wakeup(&pdev->dev, 0); if (new_ctrl & (u8) OMAP_RTC_CTRL_SPLIT) pr_info("%s: split power mode\n", pdev->name); |