On 01 November 2017 17:20, Greg Kroah-Hartman wrote:
> On Wed, Nov 01, 2017 at 05:03:10PM +0000, Adam Thomson wrote:
> > This commit adds a header providing definitions for handling Alert
> > messages. Currently the header only focuses on handling incoming
> > alerts.
> >
> > Signed-off-by: Adam Thomson <Adam.Thomson.Opensource@xxxxxxxxxxx>
> > ---
> > include/linux/usb/pd_ado.h | 49
> ++++++++++++++++++++++++++++++++++++++++++++++
> > 1 file changed, 49 insertions(+)
> > create mode 100644 include/linux/usb/pd_ado.h
> >
> > diff --git a/include/linux/usb/pd_ado.h b/include/linux/usb/pd_ado.h
> > new file mode 100644
> > index 0000000..edcbcfa
> > --- /dev/null
> > +++ b/include/linux/usb/pd_ado.h
> > @@ -0,0 +1,49 @@
> > +/*
> > + * Copyright (c) 2017 Dialog Semiconductor
> > + *
> > + * Author: Adam Thomson <Adam.Thomson.Opensource@xxxxxxxxxxx>
> > + *
> > + * This program is free software; you can redistribute it and/or modify
> > + * it under the terms of the GNU General Public License as published by
> > + * the Free Software Foundation; either version 2 of the License, or
> > + * (at your option) any later version.
>
> I have to ask, do you _really_ mean "any later version"?
Many thanks for the prompt comments.
So this is the same copyright header applied for the other PD related code
(bit of a copy and paste to follow existing tcpm practice), and have tended to
use this header for other driver development as well. Within the context of the
Linux kernel I believe this should be fine and will resolve to GPLv2, and should
someone use the code elsewhere then they can choose a later GPL license, not
that I suspect many would. Do you see any problems here as am happy to be
corrected? :)
>
> > + *
> > + * This program is distributed in the hope that it will be useful,
> > + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> > + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
> > + * GNU General Public License for more details.
> > + */
> > +
> > +#ifndef __LINUX_USB_PD_ADO_H
> > +#define __LINUX_USB_PD_ADO_H
> > +
> > +/* ADO : Alert Data Object */
> > +#define ADO_TYPE_SHIFT 24
> > +#define ADO_TYPE_MASK 0xff
> > +#define ADO_FIXED_BATT_SHIFT 20
> > +#define ADO_FIXED_BATT_MASK 0xf
> > +#define ADO_HOT_SWAP_BATT_SHIFT 16
> > +#define ADO_HOT_SWAP_BATT_MASK 0xf
>
> USB_ prefixes perhaps?
Again here I was following the existing TCPM approach, but if it's a problem
then I can update this.
>
> > +
> > +#define ADO_TYPE_BATT_STATUS_CHANGE BIT(1)
> > +#define ADO_TYPE_OCP BIT(2)
> > +#define ADO_TYPE_OTP BIT(3)
> > +#define ADO_TYPE_OP_COND_CHANGE BIT(4)
> > +#define ADO_TYPE_SRC_INPUT_CHANGE BIT(5)
> > +#define ADO_TYPE_OVP BIT(6)
> > +
> > +static inline unsigned int ado_type(u32 ado)
> > +{
> > + return (ado >> ADO_TYPE_SHIFT) & ADO_TYPE_MASK;
> > +}
>
> usb_ prefix for this and the other inline functions as well?
Same comment here.
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