Messages in this thread | | | Subject | Re: [PATCH v2 0/4] platform/chrome: cros_ec_proto: Convert EC error codes to Linux error codes | From | Guenter Roeck <> | Date | Wed, 22 Jul 2020 15:31:17 -0700 |
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Hi Brian,
On 7/22/20 3:03 PM, Brian Norris wrote: > Hi Guenter, > > On Mon, Jul 20, 2020 at 01:22:39PM -0700, Guenter Roeck wrote: >> The EC reports a variety of error codes. Most of those, with the exception >> of EC_RES_INVALID_VERSION, are converted to -EPROTO. As result, the actual >> error code gets lost. In cros_ec_cmd_xfer_status(), convert all EC errors >> to Linux error codes to report a more meaningful error to the caller to aid >> debugging. >> >> To prepare for this change, handle error codes other than -EPROTO for all >> callers of cros_ec_cmd_xfer_status(). Specifically, no longer assume that >> -EPROTO reflects an error from the EC and all other error codes reflect a >> transfer error. >> >> v2: Add patches 1/4 to 3/4 to handle callers of cros_ec_cmd_xfer_status() > > I did a rough grep to see what you might be missing: > > git grep -n EPROTO | grep -e cros -e '-ec' > > I think cros-ec-pwm / cros_ec_num_pwms() might need fixing too? Boy, I
Yes, you are correct. And there was me thinking I got them all. Thanks a lot !
> wrote that, but it sure ain't easy to read...(*checks watch*)...4 years > later. > Usually I am quite embarrassed by code I wrote more than a couple of years ago :-)
> Apart from the notes already made, I think the series looks good: > > Reviewed-by: Brian Norris <briannorris@chromium.org> > > Feel free to CC me on v3, if you want another look > I'll be happy to do that. I did make a couple of changes, so I'll add your Reviewed-by: only to unchanged patches.
Thanks, Guenter
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