linux-kernel - Re: [PATCH v5 06/10] Platform: OLPC: Add XO-1.75 EC driver

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Message-ID: <20190221012231.GC5838@wrath>
Date:   Wed, 20 Feb 2019 17:22:31 -0800
From:   Darren Hart <dvhart@...radead.org>
To:     Lubomir Rintel <lkundrak@...sk>
Cc:     Andy Shevchenko <andy@...radead.org>,
        Rob Herring <robh+dt@...nel.org>,
        Russell King <linux@...linux.org.uk>,
        Mark Rutland <mark.rutland@....com>,
        platform-driver-x86@...r.kernel.org, linux-pm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v5 06/10] Platform: OLPC: Add XO-1.75 EC driver

On Thu, Jan 10, 2019 at 06:58:41PM +0100, Lubomir Rintel wrote:
> It's based off the driver from the OLPC kernel sources. Somewhat
> modernized and cleaned up, for better or worse.
> 
> Modified to plug into the olpc-ec driver infrastructure (so that battery
> interface and debugfs could be reused) and the SPI slave framework.
> 
> Signed-off-by: Lubomir Rintel <lkundrak@...sk>
> 
> ---
> Changes since v4:
> - Chop off the reboot handler. Will be added back once it's clear how.
> 
> Changes since v3:
> - Introduce CONFIG_OLPC_EC symbol to enable parts common to this driver
>   and the X86 OLPC EC machinery.
> 
> Changes since v1:
> - Cosmetic style changes; whitespace, ordering of declarations and
>   #includes, remoted extra comas from sentinels
> - Count the terminating NUL in LOG_BUF_SIZE
> - Make olpc_xo175_ec_is_valid_cmd() return -EINVAL instead of -1
>   on error
> - Spell keyboard/touchpad in full for CHAN_KEYBOARD/TOUCHPAD messages
> - Use a #define for PM wakeup processing time
> - Log a message on unknown event
> - Escape logging payload with %*pE
> - Replace an open-coded min()
> - Correct an error code on short read
> - replaced PM callback #ifdefs with __maybe_unusedm SET_RUNTIME_PM_OPS
>   and SET_NOIRQ_SYSTEM_SLEEP_PM_OPS
> - dev_get_drvdata() instead of a round-trip through platform device
> - s/unsigned char x/u8 x/ in olpc_xo175_ec_resume()
> - Use GENMASK() instead of 0xffff for the event mask
> - Replace cmd tx/resp rx buffers with structures
> - Turned suspend hint arguments into a struct, and tidied up the comment
> 
> Basically all of the above is based on the review by Andy Shevchenko.

Andy, I am happy to merge this series - but this patch includes a lot of changes
driven by your feedback. Are you satisfied with the changes, would you like to
add your Reviewed-by?

-- 
Darren Hart
VMware Open Source Technology Center