Re: [i2c] [PATCH v2] Add support for Dallas DS28CM00 Unique ID chip

[Mark Jackson]

Jean Delvare wrote:
> Hi Mark,
>
> On Tue, 21 Oct 2008 19:42:42 +0100, Mark Jackson wrote:
> > Jean Delvare wrote:
> > > On Tue, 21 Oct 2008 15:55:26 +0100, Mark Jackson wrote:
> > > > This patch adds support for the (I2C based) DS28CM00 ID chip.
> > > > (v2 after running through checkpatch)
> > > >
> > > > Signed-off-by: M.Jackson <mpfj@xxxxxxxxxx> 
> > > > ---
> > > >  drivers/i2c/chips/Kconfig    |    7 ++
> > > >  drivers/i2c/chips/Makefile   |    1 +
> > > >  drivers/i2c/chips/ds28cm00.c |  166 ++++++++++++++++++++++++++++++++++++++++++
> > > >  3 files changed, 174 insertions(+), 0 deletions(-)
> > > Nack. No new drivers under drivers/i2c/chips please, it's going away
> > > soon.
> > Okay ... where should any new drivers be located ?
>
> Depends of what the device does.
> * Hardware monitoring chip drivers go to drivers/hwmon
> * RTC chip drivers go to drivers/rtc
> * I/O expander drivers go to drivers/gpio
> If you can't find a suitable directory under drivers, either create a
> new one if that makes sense, or put your driver under drivers/misc.

Ah, now I understand !!  I think drivers/misc is probably a good a place as any,

> > > > +static int ds28cm00_attach_adapter(struct i2c_adapter *adapter);
> > > > +static int ds28cm00_detect(struct i2c_adapter *adapter, int address, int kind);
> > > > +static int ds28cm00_detach_client(struct i2c_client *client);
> > > > +
> > > > +/* This is the driver that will be inserted */
> > > > +static struct i2c_driver ds28cm00_driver = {
> > > > +	.driver = {
> > > > +		.name	= "ds28cm00",
> > > > +	},
> > > > +	.attach_adapter	= ds28cm00_attach_adapter,
> > > > +	.detach_client	= ds28cm00_detach_client,
> > > > +};
> > > attach_adapter and detach_client are deprecated. Please use probe and
> > > remove instead.
> > Are there any existing chip drivers that use this new method ?
>
> As of 2.6.27-git10: all drivers under drivers/i2c/chips, all i2c
> drivers under drivers/gpio, all i2c drivers under drivers/hwmon, all
> i2c drivers under drivers/rtc, and more.
>
> You may want to take a look at Documentation/i2c/upgrading-clients too.

Okay ... thanks for the pointer.

Mark
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