RE: [EXT] Re: i2c: imx: support slave mode for imx I2C driver

[Biwen Li <biwen.li@xxxxxxx>]

> Subject: Re: [EXT] Re: i2c: imx: support slave mode for imx I2C driver
> 
> Caution: EXT Email
> 
> On Fri, Aug 09, 2019 at 04:04:45AM +0000, Biwen Li wrote:
> > >
> > > Hi,
> > >
> > > On Thu, Aug 08, 2019 at 11:53:43AM +0800, Biwen Li wrote:
> > > > The patch supports slave mode for imx I2C driver
> > > >
> > > > Signed-off-by: Biwen Li <biwen.li@xxxxxxx>
> > > > ---
> > > >  drivers/i2c/busses/i2c-imx.c | 199
> > > > ++++++++++++++++++++++++++++++++---
> > > >  1 file changed, 185 insertions(+), 14 deletions(-)
> > > >
> > > > diff --git a/drivers/i2c/busses/i2c-imx.c
> > > > b/drivers/i2c/busses/i2c-imx.c index b1b8b938d7f4..f7583a9fa56f
> > > > 100644
> > > > --- a/drivers/i2c/busses/i2c-imx.c
> > > > +++ b/drivers/i2c/busses/i2c-imx.c
> > > > @@ -202,6 +202,9 @@ struct imx_i2c_struct {
> > > >       struct pinctrl_state *pinctrl_pins_gpio;
> > > >
> > > >       struct imx_i2c_dma      *dma;
> > > > +#if IS_ENABLED(CONFIG_I2C_SLAVE)
> > > > +     struct i2c_client               *slave;
> > > > +#endif /* CONFIG_I2C_SLAVE */
> > >
> > > Other drivers just do a "select I2C_SLAVE" in Kconfig to get rid of
> > > these #ifs. We should do the same.
> > Hi sascha, I don't know your meaning, could you let it clearer?
> 
> Other drivers have "select I2C_SLAVE" in Kconfig, so they do not need any #ifdef
> CONFIG_I2C_SLAVE as this is always true.
Okay, sascha, got it, I will remove the option in v2, thanks.
> 
> Sascha
> 
> --
> Pengutronix e.K.                           |
> |
> Industrial Linux Solutions                 |
> https://eur01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.pe
> ngutronix.de%2F&amp;data=02%7C01%7Cbiwen.li%40nxp.com%7C2ad7a8ef
> 04c84f224a9808d71eefaf43%7C686ea1d3bc2b4c6fa92cd99c5c301635%7C0
> %7C0%7C637011887098895560&amp;sdata=Dde7Hi6eMWcg7SM8T63eBtgY
> XsQPu3HFJaZMt6z8Vck%3D&amp;reserved=0  |
> Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0
> |
> Amtsgericht Hildesheim, HRA 2686           | Fax:
> +49-5121-206917-5555 |