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.opensou...@diasemi.com>
> ---
>  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.opensou...@diasemi.com>
> + *
> + * 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"?



> + *
> + * 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?

> +
> +#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?

thanks,

greg k-h

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