linux-kernel - Re: [PATCH] i2c: slave: support I2C_SLAVE

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Date:   Wed, 1 Apr 2020 07:18:07 +0200
From:   Oleksij Rempel <o.rempel@...gutronix.de>
To:     "Biwen Li (OSS)" <biwen.li@....nxp.com>
Cc:     "wsa@...-dreams.de" <wsa@...-dreams.de>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux@...pel-privat.de" <linux@...pel-privat.de>,
        "linux-i2c@...r.kernel.org" <linux-i2c@...r.kernel.org>,
        "kernel@...gutronix.de" <kernel@...gutronix.de>,
        Jiafei Pan <jiafei.pan@....com>, Leo Li <leoyang.li@....com>
Subject: Re: [PATCH] i2c: slave: support I2C_SLAVE_STOP event for the read
 transactions

Hi,

On Tue, Mar 31, 2020 at 08:48:03AM +0000, Biwen Li (OSS) wrote:
> > Hi,
> > 
> > On Mon, Mar 30, 2020 at 10:56:28AM +0000, Biwen Li wrote:
> > > Hi All,
> > >
> > > The patch based on https://patchwork.ozlabs.org/patch/1203640/
> > > and it is not accepted, so it(https://patchwork.ozlabs.org/patch/1203640/)
> > is needed before apply the new patch.
> > 
> > I'm not sure what should I do with this information. This links are to the patch
> > which needed to be update by you, before it can be reviewed and then
> > hopefully accepted. Why do you sending one more patch for review for a patch
> > which is not accepted?
> Hi Oleksij,
> Okay, got it. I will resend the patch after the old patch is accepted by upstream. Thank you
> for your reply.

Do you mean the shutdown patch?

> > 
> > > Best Regards,
> > > Biwen Li
> > > > Support I2C_SLAVE_STOP event for the read transactions(master read
> > > > from
> > > > slave)
> > > >
> > > > Signed-off-by: Biwen Li <biwen.li@....com>
> > > > ---
> > > >  drivers/i2c/busses/i2c-imx.c | 1 +
> > > >  1 file changed, 1 insertion(+)
> > > >
> > > > diff --git a/drivers/i2c/busses/i2c-imx.c
> > > > b/drivers/i2c/busses/i2c-imx.c index
> > > > 62517a41b32d..1fd0d87885d5 100644
> > > > --- a/drivers/i2c/busses/i2c-imx.c
> > > > +++ b/drivers/i2c/busses/i2c-imx.c
> > > > @@ -1464,6 +1464,7 @@ static irqreturn_t i2c_imx_slave_isr(struct
> > > > imx_i2c_struct *i2c_imx)
> > > >  		ctl &= ~I2CR_MTX;
> > > >  		imx_i2c_write_reg(ctl, i2c_imx, IMX_I2C_I2CR);
> > > >  		imx_i2c_read_reg(i2c_imx, IMX_I2C_I2DR);
> > > > +		i2c_slave_event(i2c_imx->slave, I2C_SLAVE_STOP, &value);
> > > >  	}
> > > >  	return IRQ_HANDLED;
> > > >  }
> > > > --
> > > > 2.17.1
> > 
> > Regards,
> > Oleksij
> > --
> > Pengutronix e.K.                           |
> > |
> > Steuerwalder Str. 21                       | http://www.pengutronix.de/
> > |
> > 31137 Hildesheim, Germany                  | Phone:
> > +49-5121-206917-0    |
> > Amtsgericht Hildesheim, HRA 2686           | Fax:
> > +49-5121-206917-5555 |

-- 
Pengutronix e.K.                           |                             |
Steuerwalder Str. 21                       | http://www.pengutronix.de/  |
31137 Hildesheim, Germany                  | Phone: +49-5121-206917-0    |
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