Messages in this thread | | | Date | Sun, 8 Apr 2018 09:34:36 +0200 | From | Wolfram Sang <> | Subject | Re: [RFC PATCH 1/2] i2c: Add i2c_verify_device_id() to verify device id |
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Hi,
On Mon, Mar 19, 2018 at 09:10:58AM -0700, Guenter Roeck wrote: > Commit dde67eb1beeb ("i2c: add i2c_get_device_id() to get the standard > I2C device id") added a function to return the standard I2C device ID. > Use that function to verify the device ID of a given device.
I am very open to these patches, just...
> > Cc: Peter Rosin <peda@axentia.se> > Signed-off-by: Guenter Roeck <linux@roeck-us.net> > --- > RFC: > - Compile tested only
... I would really like to have them tested. After that happened, Peter and I can figure out who should apply them for seamless upstreaming.
> - Should there also be I2C_DEVICE_PART_ID_ANY to enable maching > against all parts from a given manufacturer ?
Can't we just add it when we need it?
> + dev_err(&client->dev, "unexpected device id %03x-%03x-%x\n", > + real_id.manufacturer_id, real_id.part_id, > + real_id.die_revision); > + return -ENODEV;
I wonder about the ERR loglevel. ENODEV is not an error, I'd think?
Regards,
Wolfram
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