From: Vinod Koul <vkoul@kernel.org>
To: Frank Li <Frank.li@oss.nxp.com>
Cc: Julian Braha <julianbraha@gmail.com>,
maddy@linux.ibm.com, mpe@ellerman.id.au, npiggin@gmail.com,
chleroy@kernel.org, Frank.Li@kernel.org, andrew+netdev@lunn.ch,
davem@davemloft.net, edumazet@google.com, kuba@kernel.org,
pabeni@redhat.com, kernel-janitors@vger.kernel.org,
linusw@kernel.org, kees@kernel.org, colin.i.king@gmail.com,
rosenp@gmail.com, joao@joaoff.com, linuxppc-dev@lists.ozlabs.org,
linux-kernel@vger.kernel.org, dmaengine@vger.kernel.org
Subject: Re: [PATCH v3] powerpc: remove dead 440SP code
Date: Mon, 5 Oct 2026 15:40:36 +0200 [thread overview]
Message-ID: <asOo1HzrYIysrWF_@parshuram> (raw)
In-Reply-To: <ar7J3nl2pNW-B7AO@lizhi-Precision-Tower-5810>
On 01-10-26, 17:00, Frank Li wrote:
> On Tue, Sep 01, 2026 at 04:23:41PM +0100, Julian Braha wrote:
> > The 440SP config option can never be enabled, making all references to it
> > dead code.
> >
> > The only board using CONFIG_440SP was IBM LUAN, which was commented out by
> > commit f65573314e4e ("[POWERPC] Re-organize Kconfig code for 4xx in
> > arch/powerpc") then removed by commit ff5f483f3091 ("powerpc: 4xx: remove
> > commented out Kconfig entries").
> >
> > Let's remove support for 440SP, since nobody can be using it anyway.
> >
> > This dead code was found by kconfirm, a static analysis tool for Kconfig.
> >
> > Signed-off-by: Julian Braha <julianbraha@gmail.com>
> > ---
>
> Reviewed-by: Frank Li <Frank.Li@nxp.com>
>
> > Changes since v2:
> > - cleaned up preprocessor condition
> >
> > Link to v2:
> > https://lore.kernel.org/all/20260901150645.1199097-1-julianbraha@gmail.com/
> >
> > Changes since v1:
> > - added historic details to description
> >
> > Link to v1:
> > https://lore.kernel.org/all/20260816125615.985387-1-julianbraha@gmail.com/
> > ---
> > arch/powerpc/boot/cuboot-katmai.c | 2 +-
> > arch/powerpc/include/asm/async_tx.h | 2 +-
> > arch/powerpc/include/asm/dcr-regs.h | 10 +++++-----
> > arch/powerpc/kernel/cpu_specs_44x.h | 12 ------------
> > arch/powerpc/platforms/44x/Kconfig | 3 ---
> > drivers/dma/Kconfig | 2 +-
> > drivers/dma/ppc4xx/adma.c | 9 ---------
> > drivers/dma/ppc4xx/adma.h | 2 +-
> > drivers/dma/ppc4xx/dma.h | 9 ---------
Can you send dmaengine only parts please.. or if this goes thru ppc
tree:
Acked-by: Vinod Koul <vkoul@kernel.org>
--
~Vinod
prev parent reply other threads:[~2026-10-05 13:40 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-01 15:23 [PATCH v3] powerpc: remove dead 440SP code Julian Braha
2026-10-01 21:00 ` Frank Li
2026-10-05 13:40 ` Vinod Koul [this message]
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