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SubjectRe: [PATCH v2 06/10] mfd: cros_ec: add proto v3 skeleton
Hello Lee,

Thanks a lot for your feedback.

On 05/13/2015 02:05 PM, Lee Jones wrote:
> On Sat, 09 May 2015, Javier Martinez Canillas wrote:
>
>> From: Stephen Barber <smbarber@chromium.org>
>>
>> Add support in cros_ec.c to handle EC host command protocol v3.
>> For v3+, probe for maximum shared protocol version and max
>> request, response, and passthrough sizes. For now, this will
>> always fall back to v2, since there is no bus-specific code
>> for handling proto v3 packets.
>>
>> Signed-off-by: Stephen Barber <smbarber@chromium.org>
>> Signed-off-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
>> Reviewed-by: Gwendal Grignou <gwendal@chromium.org>
>> Tested-by: Gwendal Grignou <gwendal@chromium.org>
>> ---
>>
>> Changes since v1:
>> - Squash change https://chromium-review.googlesource.com/#/c/262870/ in
>> the patch. Suggested by Gwendal Grignou
>> - Add Reviewed-by and Tested-by tags from Gwendal Grignou
>> ---
>> drivers/mfd/cros_ec.c | 354 ++++++++++++++++++++++++++++++----
>> drivers/mfd/cros_ec_i2c.c | 4 +
>> drivers/mfd/cros_ec_spi.c | 7 +-
>> drivers/platform/chrome/cros_ec_lpc.c | 4 +
>> include/linux/mfd/cros_ec.h | 20 +-
>> 5 files changed, 344 insertions(+), 45 deletions(-)
>
> This patch nearly triples the size of the driver, which I'm less than
> happy about. This driver is starting to suffer from feature-creep
> when comparing against the original implementation. I'd like to extract
> 'protocol drivers' out if possible. Would this be better suited in
> drivers/platform?
>

Agreed that this mfd driver is getting too complex. I'll see how I can
split the communication/transport logic into a separate driver under
platforms/chrome and only keep the mfd cells registration logic in
drivers/mfd/cros_ec.c

Best regards,
Javier


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