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Message-ID: <CAHQ1cqHpad3=1Djvnq_J_NtLxT9tu33Do5yWMyVK-n7DAC625w@mail.gmail.com>
Date: Mon, 23 Oct 2017 10:07:32 -0700
From: Andrey Smirnov <andrew.smirnov@...il.com>
To: Guenter Roeck <linux@...ck-us.net>
Cc: linux-kernel <linux-kernel@...r.kernel.org>,
Chris Healy <cphealy@...il.com>,
Lucas Stach <l.stach@...gutronix.de>,
Nikita Yushchenko <nikita.yoush@...entembedded.com>,
Lee Jones <lee.jones@...aro.org>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Pavel Machek <pavel@....cz>,
Andy Shevchenko <andy.shevchenko@...il.com>,
Rob Herring <robh@...nel.org>, Johan Hovold <johan@...nel.org>
Subject: Re: [PATCH v8 3/5] platform: Add driver for RAVE Supervisory Processor
On Sat, Oct 21, 2017 at 10:17 AM, Guenter Roeck <linux@...ck-us.net> wrote:
> On 10/18/2017 10:01 AM, Andrey Smirnov wrote:
>>
>> Add a driver for RAVE Supervisory Processor, an MCU implementing
>> varoius bits of housekeeping functionality (watchdoging, backlight
>
>
> various
>
>> control, LED control, etc) on RAVE family of products by Zodiac
>> Inflight Innovations.
>>
>> This driver implementes core MFD/serdev device as well as
>> communication subroutines necessary for commanding the device.
>>
>> Cc: linux-kernel@...r.kernel.org
>> Cc: cphealy@...il.com
>> Cc: Lucas Stach <l.stach@...gutronix.de>
>> Cc: Nikita Yushchenko <nikita.yoush@...entembedded.com>
>> Cc: Lee Jones <lee.jones@...aro.org>
>> Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
>> Cc: Pavel Machek <pavel@....cz>
>> Cc: Andy Shevchenko <andy.shevchenko@...il.com>
>> Cc: Guenter Roeck <linux@...ck-us.net>
>> Cc: Rob Herring <robh@...nel.org>
>> Cc: Johan Hovold <johan@...nel.org>
>> Tested-by: Chris Healy <cphealy@...il.com>
>> Reviewed-by: Andy Shevchenko <andy.shevchenko@...il.com>
>> Signed-off-by: Andrey Smirnov <andrew.smirnov@...il.com>
>
>
> Reviewed-by: Guenter Roeck <linux@...ck-us.net>
>
> [question below]
>
>
>> ---
>> drivers/platform/Kconfig | 2 +
>> drivers/platform/Makefile | 1 +
>> drivers/platform/rave/Kconfig | 25 ++
>> drivers/platform/rave/Makefile | 1 +
>> drivers/platform/rave/rave-sp.c | 670
>> ++++++++++++++++++++++++++++++++++++++++
>> include/linux/rave-sp.h | 54 ++++
>> 6 files changed, 753 insertions(+)
>> create mode 100644 drivers/platform/rave/Kconfig
>> create mode 100644 drivers/platform/rave/Makefile
>> create mode 100644 drivers/platform/rave/rave-sp.c
>> create mode 100644 include/linux/rave-sp.h
>>
>> diff --git a/drivers/platform/Kconfig b/drivers/platform/Kconfig
>> index c11db8bceea1..e6db685bb895 100644
>> --- a/drivers/platform/Kconfig
>> +++ b/drivers/platform/Kconfig
>> @@ -8,3 +8,5 @@ endif
>> source "drivers/platform/goldfish/Kconfig"
>> source "drivers/platform/chrome/Kconfig"
>> +
>> +source "drivers/platform/rave/Kconfig"
>> diff --git a/drivers/platform/Makefile b/drivers/platform/Makefile
>> index ca2692510733..17bdec5ece0c 100644
>> --- a/drivers/platform/Makefile
>> +++ b/drivers/platform/Makefile
>> @@ -7,3 +7,4 @@ obj-$(CONFIG_MIPS) += mips/
>> obj-$(CONFIG_OLPC) += olpc/
>> obj-$(CONFIG_GOLDFISH) += goldfish/
>> obj-$(CONFIG_CHROME_PLATFORMS) += chrome/
>> +obj-y += rave/
>> diff --git a/drivers/platform/rave/Kconfig b/drivers/platform/rave/Kconfig
>> new file mode 100644
>> index 000000000000..c0964a531991
>> --- /dev/null
>> +++ b/drivers/platform/rave/Kconfig
>> @@ -0,0 +1,25 @@
>> +#
>> +# Platform support for Zodiac RAVE hardware
>> +#
>> +
>> +menuconfig RAVE_PLATFORMS
>> + bool "Platform support for Zodiac RAVE hardware"
>> + help
>> + Say Y here to get to see options for platform support for
>> + various devices present in RAVE hardware. This option alone
>> + does not add any kernel code.
>> +
>> + If you say N, all options in this submenu will be skipped
>> + and disabled.
>> +
>> +if RAVE_PLATFORMS
>> +
>> +config RAVE_SP_CORE
>> + tristate "RAVE SP MCU core driver"
>> + depends on SERIAL_DEV_BUS
>> + select CRC_CCITT
>> + help
>> + Select this to get support for the Supervisory Processor
>> + device found on several devices in RAVE line of hardware.
>> +
>
>
> Are there going to be more entries in this menu ?
Now that you mention it, I don't think so, since all of the MFD cell
devices belong to existing subsystems (watchdog, nvmem, hwmon, leds,
input). Should I just convert it to additional variable for "depends"
instead?
Thanks,
Andrey Smirnov
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