linux-kernel - Re: [PATCH 5.4 097/120] gpio: ixp4xx: Make irqchip immutable

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Message-ID: <YzHMOXeCyc1LTlhZ@kroah.com>
Date:   Mon, 26 Sep 2022 17:58:49 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Marc Zyngier <maz@...nel.org>
Cc:     linux-kernel@...r.kernel.org, stable@...r.kernel.org,
        Linus Walleij <linus.walleij@...aro.org>,
        Bartosz Golaszewski <brgl@...ev.pl>,
        Sasha Levin <sashal@...nel.org>
Subject: Re: [PATCH 5.4 097/120] gpio: ixp4xx: Make irqchip immutable

On Mon, Sep 26, 2022 at 06:40:02AM -0400, Marc Zyngier wrote:
> Greg,
> 
> On Mon, 26 Sep 2022 06:12:10 -0400,
> Greg Kroah-Hartman <gregkh@...uxfoundation.org> wrote:
> > 
> > From: Linus Walleij <linus.walleij@...aro.org>
> > 
> > [ Upstream commit 94e9bc73d85aa6ecfe249e985ff57abe0ab35f34 ]
> > 
> > This turns the IXP4xx GPIO irqchip into an immutable
> > irqchip, a bit different from the standard template due
> > to being hierarchical.
> > 
> > Tested on the IXP4xx which uses drivers/ata/pata_ixp4xx_cf.c
> > for a rootfs on compact flash with IRQs from this GPIO
> > block to the CF ATA controller.
> > 
> > Cc: Marc Zyngier <maz@...nel.org>
> > Signed-off-by: Linus Walleij <linus.walleij@...aro.org>
> > Acked-by: Marc Zyngier <maz@...nel.org>
> > Signed-off-by: Bartosz Golaszewski <brgl@...ev.pl>
> > Signed-off-by: Sasha Levin <sashal@...nel.org>
> 
> We had that discussion[1], and concluded that none of these should be
> backported to a kernel earlier than 5.19. 5.4 doesn't currently
> contain the relevant infrastructure, nor should that infrastructure
> should be backported either.
> 
> Can we *please* stop this?
> 
> 	M.
> 
> [1] https://lore.kernel.org/all/CAMRc=Md9JKdW8wmbun_0_1y2RQbck7q=vzOkdw6n+FBgpf0h8w@mail.gmail.com/

Sasha, what went wrong here?

Now dropped from all but 5.19.y, thanks.

greg k-h