--- drivers/mfd/rn5t568.c | 59 +++++++++++++++++++++---------------------- 1 file changed, 29 insertions(+), 30 deletions(-) diff --git a/drivers/mfd/rn5t568.c b/drivers/mfd/rn5t568.c index f1e2eeb0c88b..7468338a2d53 100644 --- a/drivers/mfd/rn5t568.c +++ b/drivers/mfd/rn5t568.c @@ -33,6 +33,7 @@ static void rn5t568_restart(struct restart_handler *rst) static int rn5t568_reset_reason_detect(struct device *dev, struct regmap *regmap) { + enum reset_src_type type; unsigned int reg; int ret; @@ -47,40 +48,38 @@ static int rn5t568_reset_reason_detect(struct device *dev, return 0; } - if (reg & RN5T568_PONHIS_ON_EXTINPON) { - reset_source_set_device(dev, RESET_POR); - return 0; - } else if (reg & RN5T568_PONHIS_ON_PWRONPON) { - reset_source_set_device(dev, RESET_POR); - return 0; - } else if (!(reg & RN5T568_PONHIS_ON_REPWRPON)) + if (reg & (RN5T568_PONHIS_ON_EXTINPON | RN5T568_PONHIS_ON_PWRONPON)) { + type = RESET_POR; + } else if (!(reg & RN5T568_PONHIS_ON_REPWRPON)) { return -EINVAL; + } else { + ret = regmap_read(regmap, RN5T568_POFFHIS, ®); + if (ret) + return ret; - ret = regmap_read(regmap, RN5T568_POFFHIS, ®); - if (ret) - return ret; + dev_dbg(dev, "Power-off history: %x\n", reg); - dev_dbg(dev, "Power-off history: %x\n", reg); - - if (reg & RN5T568_POFFHIS_PWRONPOFF) - reset_source_set_device(dev, RESET_POR); - else if (reg & RN5T568_POFFHIS_TSHUTPOFF) - reset_source_set_device(dev, RESET_THERM); - else if (reg & RN5T568_POFFHIS_VINDETPOFF) - reset_source_set_device(dev, RESET_BROWNOUT); - else if (reg & RN5T568_POFFHIS_IODETPOFF) - reset_source_set_device(dev, RESET_UKWN); - else if (reg & RN5T568_POFFHIS_CPUPOFF) - reset_source_set_device(dev, RESET_RST); - else if (reg & RN5T568_POFFHIS_WDGPOFF) - reset_source_set_device(dev, RESET_WDG); - else if (reg & RN5T568_POFFHIS_DCLIMPOFF) - reset_source_set_device(dev, RESET_BROWNOUT); - else if (reg & RN5T568_POFFHIS_N_OEPOFF) - reset_source_set_device(dev, RESET_EXT); - else - return -EINVAL; + if (reg & RN5T568_POFFHIS_PWRONPOFF) + type = RESET_POR; + else if (reg & RN5T568_POFFHIS_TSHUTPOFF) + type = RESET_THERM; + else if (reg & RN5T568_POFFHIS_VINDETPOFF) + type = RESET_BROWNOUT; + else if (reg & RN5T568_POFFHIS_IODETPOFF) + type = RESET_UKWN; + else if (reg & RN5T568_POFFHIS_CPUPOFF) + type = RESET_RST; + else if (reg & RN5T568_POFFHIS_WDGPOFF) + type = RESET_WDG; + else if (reg & RN5T568_POFFHIS_DCLIMPOFF) + type = RESET_BROWNOUT; + else if (reg & RN5T568_POFFHIS_N_OEPOFF) + type = RESET_EXT; + else + return -EINVAL; + } + reset_source_set_device(dev, type); return 0; } -- 2.39.5