linux-kernel - Re: linux-next: manual merge of the extcon tree with the usb tree

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Message-ID: <20220523184254.4e657cd1@canb.auug.org.au>
Date:   Mon, 23 May 2022 18:42:54 +1000
From:   Stephen Rothwell <sfr@...b.auug.org.au>
To:     Greg KH <greg@...ah.com>, Arnd Bergmann <arnd@...db.de>
Cc:     Chanwoo Choi <cw00.choi@...sung.com>,
        Andrey Smirnov <andrew.smirnov@...il.com>,
        Dan Carpenter <dan.carpenter@...cle.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>
Subject: Re: linux-next: manual merge of the extcon tree with the usb tree

Hi all,

On Tue, 26 Apr 2022 15:27:39 +1000 Stephen Rothwell <sfr@...b.auug.org.au> wrote:
>
> Today's linux-next merge of the extcon tree got a conflict in:
> 
>   drivers/usb/dwc3/drd.c
> 
> between commit:
> 
>   0f0101719138 ("usb: dwc3: Don't switch OTG -> peripheral if extcon is present")
> 
> from the usb tree and commit:
> 
>   88490c7f43c4 ("extcon: Fix extcon_get_extcon_dev() error handling")

This is now commit

  58e4a2d27d32 ("extcon: Fix extcon_get_extcon_dev() error handling")

> from the extcon tree.
> 
> I fixed it up (the former moved the code modified by the latter, so I
> used the former version of this files and added the following merge fix
> patch) and can carry the fix as necessary. This is now fixed as far as
> linux-next is concerned, but any non trivial conflicts should be
> mentioned to your upstream maintainer when your tree is submitted for
> merging.  You may also want to consider cooperating with the maintainer
> of the conflicting tree to minimise any particularly complex conflicts.
> 
> From: Stephen Rothwell <sfr@...b.auug.org.au>
> Date: Tue, 26 Apr 2022 15:24:04 +1000
> Subject: [PATCH] fixup for "usb: dwc3: Don't switch OTG -> peripheral if extcon is present"
> 
> Signed-off-by: Stephen Rothwell <sfr@...b.auug.org.au>
> ---
>  drivers/usb/dwc3/core.c | 9 ++-------
>  1 file changed, 2 insertions(+), 7 deletions(-)
> 
> diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
> index 2345a54b848b..950e238c65bf 100644
> --- a/drivers/usb/dwc3/core.c
> +++ b/drivers/usb/dwc3/core.c
> @@ -1649,13 +1649,8 @@ static struct extcon_dev *dwc3_get_extcon(struct dwc3 *dwc)
>  	 * This device property is for kernel internal use only and
>  	 * is expected to be set by the glue code.
>  	 */
> -	if (device_property_read_string(dev, "linux,extcon-name", &name) == 0) {
> -		edev = extcon_get_extcon_dev(name);
> -		if (!edev)
> -			return ERR_PTR(-EPROBE_DEFER);
> -
> -		return edev;
> -	}
> +	if (device_property_read_string(dev, "linux,extcon-name", &name) == 0)
> +		return extcon_get_extcon_dev(name);
>  
>  	/*
>  	 * Try to get an extcon device from the USB PHY controller's "port"
> -- 
> 2.35.1

This is now a conflict between the char-misc tree and the usb tree.

-- 
Cheers,
Stephen Rothwell

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