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Thu, 14 Nov 2024 10:45:33 -0500 (EST) X-Mailer: MessagingEngine.com Webmail Interface Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Date: Thu, 14 Nov 2024 16:43:28 +0100 From: "Arnd Bergmann" To: "Geert Uytterhoeven" , "Michael Ellerman" Cc: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org Message-Id: In-Reply-To: References: <20241114131114.602234-1-mpe@ellerman.id.au> Subject: Re: [RFC PATCH 01/10] powerpc/chrp: Remove CHRP support Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable On Thu, Nov 14, 2024, at 15:31, Geert Uytterhoeven wrote: > On Thu, Nov 14, 2024 at 2:11=E2=80=AFPM Michael Ellerman wrote: >> CHRP (Common Hardware Reference Platform) was a standard developed by >> IBM & Apple for PowerPC-based systems. >> >> The standard was used in the development of some machines but never >> gained wide spread adoption. >> >> The Linux CHRP code only supports a handful of machines, all 32-bit, = eg. >> IBM B50, bplan/Genesi Pegasos/Pegasos2, Total Impact briQ, and possib= ly >> some from Motorola? No Apple machines should be affected. >> >> All of those mentioned above are over or nearing 20 years old, and se= em >> to have no active users. >> >> So remove the CHRP support. If there's interest in still supporting s= ome >> of the machines that can be brought back from the git history. >> >> Note there are still some references to CHRP/chrp in various comments >> and some in the code, because later standards (eg. RPA, PAPR) used so= me >> elements of CHRP or copied the CHRP behaviour. These will need to be >> cleaned up on a case-by-case basis to either refer to newer standards= or >> left as-is when that's correct. >> >> The CHRP code was copied from arch/ppc, and before that it mostly >> predates git, so the original authorship is largely lost. If anyone >> wrote any of this code and would like a CREDITS entry just let me kno= w. >> >> Signed-off-by: Michael Ellerman > > Acked-by: Geert Uytterhoeven > Whole series Acked-by: Arnd Bergmann