On 02/19/15 09:08, Srinivas Kandagatla wrote:
> diff --git a/drivers/Kconfig b/drivers/Kconfig
> index c70d6e4..d7afc82 100644
> --- a/drivers/Kconfig
> +++ b/drivers/Kconfig
> @@ -184,4 +184,6 @@ source "drivers/thunderbolt/Kconfig"
>
> source "drivers/android/Kconfig"
>
> +source "drivers/eeprom/Kconfig"
> +
> endmenu
> diff --git a/drivers/Makefile b/drivers/Makefile
> index 527a6da..57eb5b0 100644
> --- a/drivers/Makefile
> +++ b/drivers/Makefile
> @@ -165,3 +165,4 @@ obj-$(CONFIG_RAS) += ras/
> obj-$(CONFIG_THUNDERBOLT) += thunderbolt/
> obj-$(CONFIG_CORESIGHT) += coresight/
> obj-$(CONFIG_ANDROID) += android/
> +obj-$(CONFIG_EEPROM) += eeprom/
> diff --git a/drivers/eeprom/Kconfig b/drivers/eeprom/Kconfig
> new file mode 100644
> index 0000000..2c5452a
> --- /dev/null
> +++ b/drivers/eeprom/Kconfig
> @@ -0,0 +1,19 @@
> +menuconfig EEPROM
> + bool "EEPROM Support"
> + depends on OF
Doesn't this need some sort of select REGMAP somewhere?
Also, why do we need to use regmap for the eeprom framework read/write
ops? I liked the simple eeprom::{read,write} API that Maxime had. The
regmap part could be a regmap-eeprom driver that implements read/write
ops like you've done in the core.
> + help
> + Support for EEPROM alike devices.
> +
> + This framework is designed to provide a generic interface to EEPROM
> + from both the Linux Kernel and the userspace.
> +
> + If unsure, say no.
> +
> +if EEPROM
> +
> +config EEPROM_DEBUG
> + bool "EEPROM debug support"
> + help
> + Say yes here to enable debugging support.
> +
> +endif
>
> diff --git a/include/linux/eeprom-provider.h b/include/linux/eeprom-provider.h
> new file mode 100644
> index 0000000..3943c2f
> --- /dev/null
> +++ b/include/linux/eeprom-provider.h
> @@ -0,0 +1,51 @@
> +/*
> + * EEPROM framework provider.
> + *
> + * Copyright (C) 2015 Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxx>
> + * Copyright (C) 2013 Maxime Ripard <maxime.ripard@xxxxxxxxxxxxxxxxxx>
> + *
> + * This file is licensed under the terms of the GNU General Public
> + * License version 2. This program is licensed "as is" without any
> + * warranty of any kind, whether express or implied.
> + */
> +
> +#ifndef _LINUX_EEPROM_PROVIDER_H
> +#define _LINUX_EEPROM_PROVIDER_H
> +
> +#include <linux/device.h>
> +#include <linux/regmap.h>
> +#include <linux/list.h>
> +
> +struct eeprom_device {
> + struct regmap *regmap;
> + int stride;
> + size_t size;
> + struct device *dev;
> +
> + /* Internal to framework */
> + struct device edev;
> + int id;
> + struct list_head list;
Should there be a module owner here to handle module removal?
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