From: Ray Jui <ray.jui@broadcom.com>
To: Florian Fainelli <f.fainelli@gmail.com>,
Rob Herring <robh+dt@kernel.org>,
Mark Rutland <mark.rutland@arm.com>
Cc: Rayagonda Kokatanur <rayagonda.kokatanur@broadcom.com>,
devicetree@vger.kernel.org,
bcm-kernel-feedback-list@broadcom.com,
linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 2/2] soc: bcm: iproc: Add Broadcom iProc IDM driver
Date: Mon, 9 Dec 2019 10:05:07 -0800 [thread overview]
Message-ID: <f6723ca4-8c2f-9af5-7e18-bf7fbc75dda1@broadcom.com> (raw)
In-Reply-To: <2fed95d6-72a0-328e-806c-ba214b52ff11@gmail.com>
On 12/7/19 9:52 AM, Florian Fainelli wrote:
>
>
> 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
> reference?
>
Okay thanks. I'll look into this in more details and make corrections if
needed.
>>
>>> [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.
>
Great. This is what I'll do then. I meant to have this driver stays
loaded/binded all the time once probed.
Thanks,
Ray
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next prev parent reply other threads:[~2019-12-09 18:05 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-12-02 23:31 [PATCH 0/2] Add iProc IDM device support Ray Jui
2019-12-02 23:31 ` [PATCH 1/2] dt-bindings: soc: Add binding doc for iProc IDM device Ray Jui
2019-12-06 0:09 ` Florian Fainelli
2019-12-07 1:09 ` Ray Jui
2019-12-13 23:50 ` Rob Herring
2019-12-14 0:00 ` Florian Fainelli
2019-12-16 15:52 ` Rob Herring
2019-12-02 23:31 ` [PATCH 2/2] soc: bcm: iproc: Add Broadcom iProc IDM driver Ray Jui
2019-12-06 0:22 ` Florian Fainelli
2019-12-07 1:15 ` Ray Jui
2019-12-07 17:52 ` Florian Fainelli
2019-12-09 18:05 ` Ray Jui [this message]
2019-12-07 17:39 ` [PATCH 0/2] Add iProc IDM device support Marc Zyngier
2019-12-09 18:02 ` Ray Jui
2019-12-09 18:36 ` Marc Zyngier
2019-12-10 0:19 ` Ray Jui
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