Hi, On Thu, 2020-04-16 at 09:49 +0100, Lee Jones wrote: > On Wed, 08 Apr 2020, Hsin-Hsiung Wang wrote: > > > Some pmics don't need backup interrupt settings, so we change to use > > pm notifier for the pmics which are necessary to store settings. > > > > Signed-off-by: Hsin-Hsiung Wang <hsin-hsiung.wang@xxxxxxxxxxxx> > > --- > > drivers/mfd/mt6397-core.c | 30 ------------------------------ > > drivers/mfd/mt6397-irq.c | 35 ++++++++++++++++++++++++++++++++++- > > include/linux/mfd/mt6397/core.h | 2 ++ > > 3 files changed, 36 insertions(+), 31 deletions(-) > > > > diff --git a/drivers/mfd/mt6397-core.c b/drivers/mfd/mt6397-core.c > > index 0437c85..d2e70d8 100644 > > --- a/drivers/mfd/mt6397-core.c > > +++ b/drivers/mfd/mt6397-core.c > > @@ -100,35 +100,6 @@ static const struct mfd_cell mt6397_devs[] = { > > } > > }; > > > > -#ifdef CONFIG_PM_SLEEP > > -static int mt6397_irq_suspend(struct device *dev) > > -{ > > - struct mt6397_chip *chip = dev_get_drvdata(dev); > > - > > - regmap_write(chip->regmap, chip->int_con[0], chip->wake_mask[0]); > > - regmap_write(chip->regmap, chip->int_con[1], chip->wake_mask[1]); > > - > > - enable_irq_wake(chip->irq); > > - > > - return 0; > > -} > > - > > -static int mt6397_irq_resume(struct device *dev) > > -{ > > - struct mt6397_chip *chip = dev_get_drvdata(dev); > > - > > - regmap_write(chip->regmap, chip->int_con[0], chip->irq_masks_cur[0]); > > - regmap_write(chip->regmap, chip->int_con[1], chip->irq_masks_cur[1]); > > - > > - disable_irq_wake(chip->irq); > > - > > - return 0; > > -} > > -#endif > > - > > -static SIMPLE_DEV_PM_OPS(mt6397_pm_ops, mt6397_irq_suspend, > > - mt6397_irq_resume); > > - > > struct chip_data { > > u32 cid_addr; > > u32 cid_shift; > > @@ -238,7 +209,6 @@ static struct platform_driver mt6397_driver = { > > .driver = { > > .name = "mt6397", > > .of_match_table = of_match_ptr(mt6397_of_match), > > - .pm = &mt6397_pm_ops, > > }, > > .id_table = mt6397_id, > > }; > > diff --git a/drivers/mfd/mt6397-irq.c b/drivers/mfd/mt6397-irq.c > > index b2d3ce1..2924919 100644 > > --- a/drivers/mfd/mt6397-irq.c > > +++ b/drivers/mfd/mt6397-irq.c > > @@ -9,6 +9,7 @@ > > #include <linux/of_irq.h> > > #include <linux/platform_device.h> > > #include <linux/regmap.h> > > +#include <linux/suspend.h> > > #include <linux/mfd/mt6323/core.h> > > #include <linux/mfd/mt6323/registers.h> > > #include <linux/mfd/mt6397/core.h> > > @@ -81,7 +82,7 @@ static struct irq_chip mt6397_irq_chip = { > > static void mt6397_irq_handle_reg(struct mt6397_chip *mt6397, int reg, > > int irqbase) > > { > > - unsigned int status; > > + unsigned int status = 0; > > This looks like an unrelated change, no? > It is to fix the coverity defect. > > int i, irq, ret; > > > > ret = regmap_read(mt6397->regmap, reg, &status); > > @@ -128,6 +129,36 @@ static const struct irq_domain_ops mt6397_irq_domain_ops = { > > .map = mt6397_irq_domain_map, > > }; > > Other than that. > > For my own reference: > Acked-for-MFD-by: Lee Jones <lee.jones@xxxxxxxxxx> > Thanks for your review. I will add it in the next version.