diff options
Diffstat (limited to 'drivers/mfd/db8500-prcmu.c')
| -rw-r--r-- | drivers/mfd/db8500-prcmu.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/mfd/db8500-prcmu.c b/drivers/mfd/db8500-prcmu.c index 02a15d7cb3b..57939be17ed 100644 --- a/drivers/mfd/db8500-prcmu.c +++ b/drivers/mfd/db8500-prcmu.c @@ -1514,7 +1514,7 @@ bool prcmu_is_ac_wake_requested(void) /** * prcmu_system_reset - System reset * - * Saves the reset reason code and then sets the APE_SOFRST register which + * Saves the reset reason code and then sets the APE_SOFTRST register which * fires interrupt to fw */ void prcmu_system_reset(u16 reset_code) @@ -1524,6 +1524,17 @@ void prcmu_system_reset(u16 reset_code) } /** + * prcmu_get_reset_code - Retrieve SW reset reason code + * + * Retrieves the reset reason code stored by prcmu_system_reset() before + * last restart. + */ +u16 prcmu_get_reset_code(void) +{ + return readw(tcdm_base + PRCM_SW_RST_REASON); +} + +/** * prcmu_reset_modem - ask the PRCMU to reset modem */ void prcmu_modem_reset(void) |