Re: [PATCH 4/7] power: supply: bq27xxx: use BIT() for bit flags

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On Tue, 8 Sep 2020 at 22:53, Dan Murphy <dmurphy@xxxxxx> wrote:
>
> Krzysztof
>
> On 9/8/20 3:13 PM, Krzysztof Kozlowski wrote:
> > BIT() is a preferred way to toggle bit-like flags: no problems with 32/64
> > bit systems, less chances for mistakes.
> >
> > Signed-off-by: Krzysztof Kozlowski <krzk@xxxxxxxxxx>
> > ---
> >   drivers/power/supply/bq27xxx_battery.c | 15 ++++++++-------
> >   1 file changed, 8 insertions(+), 7 deletions(-)
> >
> > diff --git a/drivers/power/supply/bq27xxx_battery.c b/drivers/power/supply/bq27xxx_battery.c
> > index 2deac3fbb036..e971af43dd45 100644
> > --- a/drivers/power/supply/bq27xxx_battery.c
> > +++ b/drivers/power/supply/bq27xxx_battery.c
> > @@ -847,13 +847,14 @@ static struct bq27xxx_dm_reg bq27621_dm_regs[] = {
> >
> >   #define bq27z561_dm_regs 0
> >   #define bq28z610_dm_regs 0
> > -
> > -#define BQ27XXX_O_ZERO       0x00000001
> > -#define BQ27XXX_O_OTDC       0x00000002 /* has OTC/OTD overtemperature flags */
> > -#define BQ27XXX_O_UTOT  0x00000004 /* has OT overtemperature flag */
> > -#define BQ27XXX_O_CFGUP      0x00000008
> > -#define BQ27XXX_O_RAM        0x00000010
> > -#define BQ27Z561_O_BITS      0x00000020
> > +#define bq34z100_dm_regs 0
> > +
> > +#define BQ27XXX_O_ZERO               BIT(0)
> > +#define BQ27XXX_O_OTDC               BIT(1) /* has OTC/OTD overtemperature flags */
> > +#define BQ27XXX_O_UTOT               BIT(2) /* has OT overtemperature flag */
> > +#define BQ27XXX_O_CFGUP              BIT(3)
> > +#define BQ27XXX_O_RAM                BIT(4)
> > +#define BQ27Z561_O_BITS              BIT(5)
> >
>
> It seems you have added whitespaces that you submitted a patch to fix in
> 3/7.

I shouldn't... 3/7 is different #define: BQ27Z561_FLAG_FC
Here it might look like not indented properly due to the patch format.
In the file, when applying, the entries are aligned correctly.

>
> Also squash 3 and 4.

Whitespace with BIT conversion? Sure, I can. These are separate places
and different types of cleanup, but no problem to squash them.

Best regards,
Krzysztof



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