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SubjectRe: [PATCH 2/2] soc: bcm: iproc: Add Broadcom iProc IDM driver

On 12/6/2019 5:15 PM, Ray Jui wrote:
>> Did not you intend to drop the reference count on elog_np here?
> Sorry, I'm not following this comment. Could you please help to clarify
> for me a bit more? Thanks!

I meant that you drop the reference count on 'np' but you called
functions that incremented the reference count on 'elog_np', so maybe
you are not doing the of_node_put() on the appropriate device_node

>> [snip]
>>> +static struct platform_driver iproc_idm_driver = {
>>> +    .probe = iproc_idm_probe,
>> Do not you need a remove function in order to unregister the sysfs file
>> that you created in iproc_idm_dev_probe() to avoid bind/unbind (or
>> rmmod/modprobe) to spit out an existing sysfs entry warning?
> This driver should never be compiled as a module. It's meant to be
> always there to capture IDM bus timeouts.
> But you are right that I cannot prevent user from trying to unbind it
> for whatever reason. I'll add a remove routine to take care of this.

You can also set suppress_bind_attrs to your platform_driver structure
to prevent unbind/bind from happening.

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