linux-kernel - Re: [PATCH] usb: typec: fusb302: Fix an undefined reference to 'extcon_get

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Date:   Thu, 12 Dec 2019 17:40:40 +0800
From:   zhong jiang <zhongjiang@...wei.com>
To:     Greg KH <gregkh@...uxfoundation.org>
CC:     Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
        <linux@...ck-us.net>, <linux-usb@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] usb: typec: fusb302: Fix an undefined reference to 'extcon_get_state'

On 2019/12/12 17:28, Greg KH wrote:
> On Thu, Dec 12, 2019 at 05:15:28PM +0800, zhong jiang wrote:
>> On 2019/12/12 17:01, Heikki Krogerus wrote:
>>> On Thu, Dec 12, 2019 at 03:34:23PM +0800, zhong jiang wrote:
>>>> Fixes the following compile error:
>>>>
>>>> drivers/usb/typec/tcpm/fusb302.o: In function `tcpm_get_current_limit':
>>>> fusb302.c:(.text+0x3ee): undefined reference to `extcon_get_state'
>>>> fusb302.c:(.text+0x422): undefined reference to `extcon_get_state'
>>>> fusb302.c:(.text+0x450): undefined reference to `extcon_get_state'
>>>> fusb302.c:(.text+0x48c): undefined reference to `extcon_get_state'
>>>> drivers/usb/typec/tcpm/fusb302.o: In function `fusb302_probe':
>>>> fusb302.c:(.text+0x980): undefined reference to `extcon_get_extcon_dev'
>>>> make: *** [vmlinux] Error 1
>>> There are stubs for those functions so that really should not be
>>> happening. I can not reproduce that.
>> It can be reproduced in next branch. you can try it in the latest next branch.
> Can it be reproduced in 5.5-rc1?
>
commit 78adcacd4edbd6795e164bbda9a4b2b7e51666a7
Author: Stephen Rothwell <sfr@...b.auug.org.au>
Date:   Thu Dec 12 15:48:07 2019 +1100

    Add linux-next specific files for 20191212

I  reproduce it  based on this commit.  The related config is attached.
>


View attachment ".config" of type "text/plain" (148927 bytes)