Re: [PATCH v5 4/5] power: supply: Add support for mps mp2629 battery charger

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Hi Andy,

On 28/03/20 7:44 pm, Andy Shevchenko wrote:
On Sat, Mar 28, 2020 at 1:29 PM saravanan sekar <sravanhome@xxxxxxxxx> wrote:
On 28/03/20 12:02 pm, Andy Shevchenko wrote:
On Sat, Mar 28, 2020 at 2:12 AM Saravanan Sekar <sravanhome@xxxxxxxxx> wrote:
...

+       val->intval = (rval * props[fld].step) + props[fld].min;
Too many parentheses.

...

+       return ((psp == POWER_SUPPLY_PROP_PRECHARGE_CURRENT) ||
+               (psp == POWER_SUPPLY_PROP_CHARGE_TERM_CURRENT) ||
+               (psp == POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT) ||
+               (psp == POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE));
Ditto.
I think I misunderstood you previous review comment "Redundant
parentheses", no sure what is the expectation
(At least) surrounding pair is not needed, return (a == b) || (c == d);
ok, I will remove outer ().
...

+       return ((psp == POWER_SUPPLY_PROP_INPUT_VOLTAGE_LIMIT) ||
+               (psp == POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT));
Ditto.
...

+       struct power_supply_config psy_cfg = {NULL};
{ 0 }

NULL to make compiler happy.
Hmm... Can you share warning / error compiler issued in 0 case?

Please see the 0-day warning.

"Reported-by: kbuild test robot <lkp@xxxxxxxxx>
sparse warnings: (new ones prefixed by >>)
>> drivers/power/supply/mp2629_charger.c:584:47: sparse: sparse: Using plain integer as NULL pointer"




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