The STAUPD_TRIG will be enable when WDT_INT enable on probe function, if doesn't enable STAUPD_PRD together, interrupt will be triggered because STAUPD timeout. To avoid unexpected interrupt, enable periodic status update which will be updated to PMIC every selected time period.
Signed-off-by: Henry Chen <[email protected]> --- drivers/soc/mediatek/mtk-pmic-wrap.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/soc/mediatek/mtk-pmic-wrap.c b/drivers/soc/mediatek/mtk-pmic-wrap.c index a8cde17..6e5c20f 100644 --- a/drivers/soc/mediatek/mtk-pmic-wrap.c +++ b/drivers/soc/mediatek/mtk-pmic-wrap.c @@ -904,6 +904,11 @@ static int pwrap_probe(struct platform_device *pdev) return -ENODEV; } + /* + * Enable periodic status update which will be updated to PMIC + * every selected time period. + */ + pwrap_writel(wrp, 0x5, PWRAP_STAUPD_PRD); /* Initialize watchdog, may not be done by the bootloader */ pwrap_writel(wrp, 0xf, PWRAP_WDT_UNIT); pwrap_writel(wrp, 0xffffffff, PWRAP_WDT_SRC_EN); -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
