From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7E0A0488755; Mon, 5 Oct 2026 13:40:39 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791207640; cv=none; b=MCY1ptadMGR4DuEeLAt1WvW3ob0/F7GuzJUhpO26SsVgBGixMp256xpO6cFSWbI5mu6ypql5DnIbT9nZAsFNblp2c2cos1iZgZTEXPAyDGUlhJ8yu08GKZiNzL6fYxsdqgKfvShTktUs9IgA+/h57+PYuWB0T6AtbCDr1KPRoaU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791207640; c=relaxed/simple; bh=aVMT+TlFk3tHAaSH75xyt5q3uMFWyWh48p1Tp55Leu0=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=fGEhQ1jkrddz80DsezEd1JWvnPEVYfZJRBGc9f+f0fV8J+ZN2UMrFsIOlxw8z9MNJnH6ib1xc34iqpa4wUTsCmcgmh26rWpjTsuF0/b8/TvAoGMB5f61KI33KiE+g3OspYcMHDyZleII5Rb5NOXGj6B4LFO7eFcQB+Np/TlYKDw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=YxthRWqB; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="YxthRWqB" Received: by smtp.kernel.org (Postfix) with ESMTPSA id DBE9A1F000FF; Mon, 5 Oct 2026 13:40:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1791207639; bh=xcVeQf+7BvvJau/SIVYSD0F0OxAJkDKz3X1xVomNTxg=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=YxthRWqBIZWtFN7pZzyzeejRM1DF0EJzUmIMI1CLOiA42FQ59PtA9aAk4FQPpt4yg 01dyIIaItqlAtjjinAWBg9y2RWoME/sQtWu0tHJmx2HlP4dCPwYS+OuLmyeErTx+9Z ecFyYsgt86Ue+R3vIouq5kc/M7CZtHhZBo7aH0hzDfVRXLa9YrMv1e8A9fB0l5hB5U a0U/DUIXHCOPlfKei45Bj445bWSChytE43RsGLyPr0iLVDlYL+vxlK8WD/DtbsOjQs P+kC8Hf+bhh09jb8EcpYEYpIrDIecFld2jbkiK7wYhM1alYphnUtAaP3qw257kimg3 N5Jd1xKzWf6MA== Date: Mon, 5 Oct 2026 15:40:36 +0200 From: Vinod Koul To: Frank Li Cc: Julian Braha , 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 Message-ID: References: <20260901152341.1219343-1-julianbraha@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: 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 > > --- > > Reviewed-by: Frank Li > > > 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 -- ~Vinod