linux-kernel - Re: [RESEND PATCH 1/8] mfd: cros ec: Remove parent field

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Message-ID: <20150429103734.GU9169@x1>
Date:	Wed, 29 Apr 2015 11:37:34 +0100
From:	Lee Jones <lee.jones@...aro.org>
To:	Gwendal Grignou <gwendal@...omium.org>
Cc:	Javier Martinez Canillas <javier.martinez@...labora.co.uk>,
	Olof Johansson <olof@...om.net>,
	Doug Anderson <dianders@...omium.org>,
	Bill Richardson <wfrichar@...omium.org>,
	Simon Glass <sjg@...gle.com>,
	Stephen Barber <smbarber@...omium.org>,
	Filipe Brandenburger <filbranden@...gle.com>,
	Todd Broch <tbroch@...omium.org>,
	linux-samsung-soc@...r.kernel.org,
	Linux Kernel <linux-kernel@...r.kernel.org>
Subject: Re: [RESEND PATCH 1/8] mfd: cros ec: Remove parent field

On Thu, 23 Apr 2015, Gwendal Grignou wrote:

> Be consistent, use cros_ec instead of "cros ec" or "cros-ec".

What is this in reference to?

> Otherwise:
> 
> Reviewed-by: Gwendal Grignou <gwendal@...omium.org>
> Tested-by: Gwendal Grignou <gwendal@...omium.org>
> 
> On Mon, Apr 6, 2015 at 9:14 AM, Javier Martinez Canillas
> <javier.martinez@...labora.co.uk> wrote:
> > From: Gwendal Grignou <gwendal@...omium.org>
> >
> > parent and dev were pointing to the same device structure.
> > parent is unused, removed.
> >
> > Signed-off-by: Gwendal Grignou <gwendal@...omium.org>
> > Reviewed-by: Stephen Barber <smbarber@...omium.org>
> > Tested-by: Stephen Barber <smbarber@...omium.org>
> > Reviewed-by: Puthikorn Voravootivat <puthik@...omium.org>
> > Signed-off-by: Javier Martinez Canillas <javier.martinez@...labora.co.uk>
> > ---
> >  drivers/mfd/cros_ec_i2c.c             | 1 -
> >  drivers/mfd/cros_ec_spi.c             | 1 -
> >  drivers/platform/chrome/cros_ec_lpc.c | 1 -
> >  include/linux/mfd/cros_ec.h           | 2 --
> >  4 files changed, 5 deletions(-)

For when you re-submit:

Acked-by: Lee Jones <lee.jones@...aro.org>

> > diff --git a/drivers/mfd/cros_ec_i2c.c b/drivers/mfd/cros_ec_i2c.c
> > index c0c30f4f946f..82b4d6148698 100644
> > --- a/drivers/mfd/cros_ec_i2c.c
> > +++ b/drivers/mfd/cros_ec_i2c.c
> > @@ -145,7 +145,6 @@ static int cros_ec_i2c_probe(struct i2c_client *client,
> >         ec_dev->cmd_xfer = cros_ec_cmd_xfer_i2c;
> >         ec_dev->ec_name = client->name;
> >         ec_dev->phys_name = client->adapter->name;
> > -       ec_dev->parent = &client->dev;
> >
> >         err = cros_ec_register(ec_dev);
> >         if (err) {
> > diff --git a/drivers/mfd/cros_ec_spi.c b/drivers/mfd/cros_ec_spi.c
> > index bf6e08e8013e..27bd52e5e8b7 100644
> > --- a/drivers/mfd/cros_ec_spi.c
> > +++ b/drivers/mfd/cros_ec_spi.c
> > @@ -363,7 +363,6 @@ static int cros_ec_spi_probe(struct spi_device *spi)
> >         ec_dev->cmd_xfer = cros_ec_cmd_xfer_spi;
> >         ec_dev->ec_name = ec_spi->spi->modalias;
> >         ec_dev->phys_name = dev_name(&ec_spi->spi->dev);
> > -       ec_dev->parent = &ec_spi->spi->dev;
> >         ec_dev->din_size = EC_MSG_BYTES + EC_MSG_PREAMBLE_COUNT;
> >         ec_dev->dout_size = EC_MSG_BYTES;
> >
> > diff --git a/drivers/platform/chrome/cros_ec_lpc.c b/drivers/platform/chrome/cros_ec_lpc.c
> > index 8f9ac4d7bbd0..860310513cf0 100644
> > --- a/drivers/platform/chrome/cros_ec_lpc.c
> > +++ b/drivers/platform/chrome/cros_ec_lpc.c
> > @@ -214,7 +214,6 @@ static int cros_ec_lpc_probe(struct platform_device *pdev)
> >         ec_dev->dev = dev;
> >         ec_dev->ec_name = pdev->name;
> >         ec_dev->phys_name = dev_name(dev);
> > -       ec_dev->parent = dev;
> >         ec_dev->cmd_xfer = cros_ec_cmd_xfer_lpc;
> >         ec_dev->cmd_readmem = cros_ec_lpc_readmem;
> >
> > diff --git a/include/linux/mfd/cros_ec.h b/include/linux/mfd/cros_ec.h
> > index 324a34683971..14cf522123dd 100644
> > --- a/include/linux/mfd/cros_ec.h
> > +++ b/include/linux/mfd/cros_ec.h
> > @@ -85,7 +85,6 @@ struct cros_ec_command {
> >   * to using dword.
> >   * @din_size: size of din buffer to allocate (zero to use static din)
> >   * @dout_size: size of dout buffer to allocate (zero to use static dout)
> > - * @parent: pointer to parent device (e.g. i2c or spi device)
> >   * @wake_enabled: true if this device can wake the system from sleep
> >   * @cmd_xfer: send command to EC and get response
> >   *     Returns the number of bytes received if the communication succeeded, but
> > @@ -113,7 +112,6 @@ struct cros_ec_device {
> >         uint8_t *dout;
> >         int din_size;
> >         int dout_size;
> > -       struct device *parent;
> >         bool wake_enabled;
> >         int (*cmd_xfer)(struct cros_ec_device *ec,
> >                         struct cros_ec_command *msg);
> >

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog
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