linux-kernel - Re: [PATCH v2 1/4] regulator: act8865: set correct number of regulators in pdata

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Date:	Sat, 5 Jul 2014 23:08:05 +0800
From:	Axel Lin <axel.lin@...ics.com>
To:	Beniamino Galvani <b.galvani@...il.com>
Cc:	Liam Girdwood <lgirdwood@...il.com>,
	Mark Brown <broonie@...nel.org>,
	Wenyou Yang <wenyou.yang@...el.com>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Heiko Stuebner <heiko@...ech.de>, devicetree@...r.kernel.org,
	linux-doc@...r.kernel.org,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 1/4] regulator: act8865: set correct number of
 regulators in pdata

2014-07-05 21:20 GMT+08:00 Beniamino Galvani <b.galvani@...il.com>:
> act8865_pdata_from_dt() populates the array pdata->regulators with all
> the regulators and then assigns the field init_data only for the ones
> actually found in the DT.
>
> The patch changes the value assigned to pdata->num_regulators to match
> the size of the array.
>
> Signed-off-by: Beniamino Galvani <b.galvani@...il.com>
> Tested-by: Wenyou Yang <wenyou.yang@...el.com>
> ---
>  drivers/regulator/act8865-regulator.c |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/regulator/act8865-regulator.c b/drivers/regulator/act8865-regulator.c
> index f07be36..52d1b6c 100644
> --- a/drivers/regulator/act8865-regulator.c
> +++ b/drivers/regulator/act8865-regulator.c
> @@ -230,7 +230,7 @@ static int act8865_pdata_from_dt(struct device *dev,
>         if (!pdata->regulators)
>                 return -ENOMEM;
>
> -       pdata->num_regulators = matched;
> +       pdata->num_regulators = ARRAY_SIZE(act8865_matches);
>         regulator = pdata->regulators;

You can also include below change as well:
diff --git a/drivers/regulator/act8865-regulator.c
b/drivers/regulator/act8865-regulator.c
index f07be36..9fcedc5 100644
--- a/drivers/regulator/act8865-regulator.c
+++ b/drivers/regulator/act8865-regulator.c
@@ -226,7 +226,7 @@ static int act8865_pdata_from_dt(struct device *dev,

  pdata->regulators = devm_kzalloc(dev,
  sizeof(struct act8865_regulator_data) *
- ARRAY_SIZE(act8865_matches), GFP_KERNEL);
+ matched, GFP_KERNEL);
  if (!pdata->regulators)
  return -ENOMEM;
--
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