linux-kernel - Re: [PATCH 5.10 098/104] switchdev: mrp: Remove SWITCHDEV_ATTR_ID_MRP_PORT

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Date:   Tue, 16 Feb 2021 23:08:04 +0100
From:   Horatiu Vultur <horatiu.vultur@...rochip.com>
To:     Pavel Machek <pavel@...x.de>
CC:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        <linux-kernel@...r.kernel.org>, <stable@...r.kernel.org>,
        "David S. Miller" <davem@...emloft.net>
Subject: Re: [PATCH 5.10 098/104] switchdev: mrp: Remove
 SWITCHDEV_ATTR_ID_MRP_PORT_STAT

The 02/16/2021 22:35, Pavel Machek wrote:

Hi,

> Hi!
> 
> > From: Horatiu Vultur <horatiu.vultur@...rochip.com>
> > 
> > commit 059d2a1004981dce19f0127dabc1b4ec927d202a upstream.
> > 
> > Now that MRP started to use also SWITCHDEV_ATTR_ID_PORT_STP_STATE to
> > notify HW, then SWITCHDEV_ATTR_ID_MRP_PORT_STAT is not used anywhere
> > else, therefore we can remove it.
> 
> Are you sure this is suitable for 5.10 backport? Unlike mainline,
> net/bridge use is not removed, so this will cause compile problem...?
> 
> pavel@amd:~/cip/krc$ grep -ri SWITCHDEV_ATTR_ID_MRP_PORT_STATE .
> ./include/net/switchdev.h:    SWITCHDEV_ATTR_ID_MRP_PORT_STATE,
> ./net/bridge/br_mrp_switchdev.c:		.id = SWITCHDEV_ATTR_ID_MRP_PORT_STATE,
> pavel@amd:~/cip/krc$ e ./net/bridge/br_mrp_switchdev.c

The usage of SWITCHDEV_ATTR_ID_MRP_PORT_STATE in
net/bridge/br_mrp_switchdev.c is removed in this patch:
https://www.spinics.net/lists/stable/msg443626.html

> 
> Best regards,
> 								Pavel
> 
> > --- a/include/net/switchdev.h
> > +++ b/include/net/switchdev.h
> > @@ -41,7 +41,6 @@ enum switchdev_attr_id {
> >  	SWITCHDEV_ATTR_ID_BRIDGE_MC_DISABLED,
> >  	SWITCHDEV_ATTR_ID_BRIDGE_MROUTER,
> >  #if IS_ENABLED(CONFIG_BRIDGE_MRP)
> > -	SWITCHDEV_ATTR_ID_MRP_PORT_STATE,
> >  	SWITCHDEV_ATTR_ID_MRP_PORT_ROLE,
> >  #endif
> >  };
> 
> -- 
> DENX Software Engineering GmbH,      Managing Director: Wolfgang Denk
> HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany




-- 
/Horatiu