Messages in this thread Patch in this message | | | From | Linus Walleij <> | Subject | [PATCH 10/23] mfd/db8500-prcmu: reset code retrieval | Date | Fri, 12 Aug 2011 10:28:53 +0200 |
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From: Sebastian Rasmussen <sebastian.rasmussen@stericsson.com>
This implements the reset code retrieval function so we can ipso facto get to know how the system was reset.
Signed-off-by: Sebastian Rasmussen <sebastian.rasmussen@stericsson.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> --- drivers/mfd/db8500-prcmu.c | 11 +++++++++++ 1 files changed, 11 insertions(+), 0 deletions(-)
diff --git a/drivers/mfd/db8500-prcmu.c b/drivers/mfd/db8500-prcmu.c index cb58e44..6fd4e29 100644 --- a/drivers/mfd/db8500-prcmu.c +++ b/drivers/mfd/db8500-prcmu.c @@ -1836,6 +1836,17 @@ void db8500_prcmu_system_reset(u16 reset_code) } /** + * db8500_prcmu_get_reset_code - Retrieve SW reset reason code + * + * Retrieves the reset reason code stored by prcmu_system_reset() before + * last restart. + */ +u16 db8500_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) -- 1.7.3.2
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