linux-kernel - Re: [PATCH v2 2/4] pinctrl: qpnp: Qualcomm PMIC pin controller driver

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Date:	Mon, 21 Jul 2014 21:32:24 +0530
From:	divya ojha <odivya77@...il.com>
To:	"Ivan T. Ivanov" <iivanov@...sol.com>
Cc:	Linus Walleij <linus.walleij@...aro.org>,
	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>,
	Grant Likely <grant.likely@...aro.org>,
	Bjorn Andersson <bjorn.andersson@...ymobile.com>,
	Mark Brown <broonie@...nel.org>, linux-kernel@...r.kernel.org,
	devicetree@...r.kernel.org, linux-arm-msm@...r.kernel.org
Subject: Re: [PATCH v2 2/4] pinctrl: qpnp: Qualcomm PMIC pin controller driver

Hi,

On Thu, Jul 17, 2014 at 8:55 PM, Ivan T. Ivanov <iivanov@...sol.com> wrote:
> From: "Ivan T. Ivanov" <iivanov@...sol.com>
>
> This is the pinctrl, pinmux, pinconf and gpiolib driver for the
> Qualcomm GPIO and MPP sub-function blocks found in the PMIC chips.
>
> Signed-off-by: Ivan T. Ivanov <iivanov@...sol.com>
> ---
>  drivers/pinctrl/Kconfig                       |   12 +
>  drivers/pinctrl/Makefile                      |    1 +
>  drivers/pinctrl/pinctrl-qpnp.c                | 1565 +++++++++++++++++++++++++
>  include/dt-bindings/pinctrl/qcom,pm8xxx-mpp.h |   34 +
..
+       struct device *dev = qctrl->dev;
> +       struct pinctrl_pin_desc *desc, *descs;
> +       struct qpnp_padinfo *pad, *pads;
> +       int idx, ret, cnt, gps, ais, aos, css;
> +       const char **names, *format;
> +       unsigned int addr;
> +
> +       pads = devm_kcalloc(dev, qchip->npads, sizeof(*pads), GFP_KERNEL);

when do we free these structures..?

> +       if (!pads)
> +               return -ENOMEM;
> +
> +       descs = devm_kcalloc(dev, qchip->npads, sizeof(*descs), GFP_KERNEL);

ditto..

> +       if (!descs)
> +               return -ENOMEM;
> +
..
> +               cnt = qctrl->groups[idx].npins;
> +               if (!cnt)
> +                       continue;
> +
> +               names = devm_kcalloc(dev, cnt, sizeof(names), GFP_KERNEL);

ditto..

> +               if (!names)
> +                       return -ENOMEM;

> +#define PM8XXX_MPP_AIN_ABUS4                   7
> +
> +#endif
> --
> 1.8.3.2
>
> --
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Regards
Divya
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