linux-kernel - Re: [PATCHv2] usb: typec: tps6598x: handle block writes separately with plain-I2C adapters

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Message-ID: <20190220162214.GA2017@kroah.com>
Date:   Wed, 20 Feb 2019 17:22:14 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Nikolaus Voss <nv@...n.de>
Cc:     Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
        Guenter Roeck <linux@...ck-us.net>, linux-usb@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCHv2] usb: typec: tps6598x: handle block writes separately
 with plain-I2C adapters

On Wed, Feb 20, 2019 at 04:22:00PM +0100, Nikolaus Voss wrote:
> > > v2: fix tps6598x_exec_cmd also
> > > ---
> > >  drivers/usb/typec/tps6598x.c | 26 ++++++++++++++++++++------
> > >  1 file changed, 20 insertions(+), 6 deletions(-)
> > > 
> > > diff --git a/drivers/usb/typec/tps6598x.c b/drivers/usb/typec/tps6598x.c
> > > index c84c8c189e90..c54b73fb2a2f 100644
> > > --- a/drivers/usb/typec/tps6598x.c
> > > +++ b/drivers/usb/typec/tps6598x.c
> > > @@ -110,6 +110,20 @@ tps6598x_block_read(struct tps6598x *tps, u8 reg, void *val, size_t len)
> > >  	return 0;
> > >  }
> > > 
> > > +static int tps6598x_block_write(struct tps6598x *tps, u8 reg,
> > > +				void *val, size_t len)
> > > +{
> > > +	u8 data[len + 1];
> > 
> > I thought the build system now warned when you did this :(
> 
> I must admit I'm developing on 4.19 stable series, so no warnings...

Ick, no, you are 6 months behind where the rest of us are :(

Always, at the very least, work off of Linus's tree.  For best results,
work off of linux-next.

thanks,

greg k-h