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

["Ivan T. Ivanov" <iivanov@mm-sol.com>]

On Mon, 2014-07-21 at 21:32 +0530, divya ojha wrote:
> Hi,
> 
> On Thu, Jul 17, 2014 at 8:55 PM, Ivan T. Ivanov <iivanov@mm-sol.com> wrote:
> > From: "Ivan T. Ivanov" <iivanov@mm-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@mm-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..?

Good description could be found here[1].

Regards,
Ivan

[1] Documentation/driver-model/devres.txt