From: Conor Dooley <conor@kernel.org>
To: Alex Elder <elder@riscstar.com>
Cc: Guodong Xu <guodong@riscstar.com>, Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
Paul Walmsley <pjw@kernel.org>,
Palmer Dabbelt <palmer@dabbelt.com>,
Albert Ou <aou@eecs.berkeley.edu>,
Alexandre Ghiti <alex@ghiti.fr>, Yixun Lan <dlan@gentoo.org>,
Daniel Lezcano <daniel.lezcano@linaro.org>,
Thomas Gleixner <tglx@linutronix.de>,
Samuel Holland <samuel.holland@sifive.com>,
Anup Patel <anup@brainfault.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Jiri Slaby <jirislaby@kernel.org>,
Lubomir Rintel <lkundrak@v3.sk>, Yangyu Chen <cyy@cyyself.name>,
Paul Walmsley <paul.walmsley@sifive.com>,
Heinrich Schuchardt <xypron.glpk@gmx.de>,
Kevin Meng Zhang <zhangmeng.kevin@linux.spacemit.com>,
Andrew Jones <ajones@ventanamicro.com>,
devicetree@vger.kernel.org, linux-riscv@lists.infradead.org,
linux-kernel@vger.kernel.org, spacemit@lists.linux.dev,
linux-serial@vger.kernel.org
Subject: Re: [PATCH v2 07/13] dt-bindings: riscv: Add B ISA extension description
Date: Tue, 30 Dec 2025 19:21:31 +0000 [thread overview]
Message-ID: <20251230-unselect-canon-842bc2403c47@spud> (raw)
In-Reply-To: <55c2c0e2-2213-4cc9-a752-fce17149bc35@riscstar.com>
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On Tue, Dec 30, 2025 at 12:06:39PM -0600, Alex Elder wrote:
> I think it's too bad these "equivalent" extensions can't be used
> to simplify things.
>
> I really dislike requiring the both a simpler extension *and*
> the others that it represents/implies.
They generally have been done they way you'd expect, this one just
differs because b is being added much later on rather than at the same
time.
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WARNING: multiple messages have this Message-ID (diff)
From: Conor Dooley <conor@kernel.org>
To: Alex Elder <elder@riscstar.com>
Cc: Guodong Xu <guodong@riscstar.com>, Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
Paul Walmsley <pjw@kernel.org>,
Palmer Dabbelt <palmer@dabbelt.com>,
Albert Ou <aou@eecs.berkeley.edu>,
Alexandre Ghiti <alex@ghiti.fr>, Yixun Lan <dlan@gentoo.org>,
Daniel Lezcano <daniel.lezcano@linaro.org>,
Thomas Gleixner <tglx@linutronix.de>,
Samuel Holland <samuel.holland@sifive.com>,
Anup Patel <anup@brainfault.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Jiri Slaby <jirislaby@kernel.org>,
Lubomir Rintel <lkundrak@v3.sk>, Yangyu Chen <cyy@cyyself.name>,
Paul Walmsley <paul.walmsley@sifive.com>,
Heinrich Schuchardt <xypron.glpk@gmx.de>,
Kevin Meng Zhang <zhangmeng.kevin@linux.spacemit.com>,
Andrew Jones <ajones@ventanamicro.com>,
devicetree@vger.kernel.org, linux-riscv@lists.infradead.org,
linux-kernel@vger.kernel.org, spacemit@lists.linux.dev,
linux-serial@vger.kernel.org
Subject: Re: [PATCH v2 07/13] dt-bindings: riscv: Add B ISA extension description
Date: Tue, 30 Dec 2025 19:21:31 +0000 [thread overview]
Message-ID: <20251230-unselect-canon-842bc2403c47@spud> (raw)
In-Reply-To: <55c2c0e2-2213-4cc9-a752-fce17149bc35@riscstar.com>
[-- Attachment #1: Type: text/plain, Size: 416 bytes --]
On Tue, Dec 30, 2025 at 12:06:39PM -0600, Alex Elder wrote:
> I think it's too bad these "equivalent" extensions can't be used
> to simplify things.
>
> I really dislike requiring the both a simpler extension *and*
> the others that it represents/implies.
They generally have been done they way you'd expect, this one just
differs because b is being added much later on rather than at the same
time.
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next prev parent reply other threads:[~2025-12-30 19:22 UTC|newest]
Thread overview: 102+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-12-22 13:04 [PATCH v2 00/13] riscv: spacemit: Add SpacemiT K3 SoC and K3 Pico-ITX board Guodong Xu
2025-12-22 13:04 ` Guodong Xu
2025-12-22 13:04 ` [PATCH v2 01/13] dt-bindings: riscv: add SpacemiT X100 CPU compatible Guodong Xu
2025-12-22 13:04 ` Guodong Xu
2025-12-23 13:48 ` Krzysztof Kozlowski
2025-12-23 13:48 ` Krzysztof Kozlowski
2025-12-22 13:04 ` [PATCH v2 02/13] dt-bindings: timer: add SpacemiT K3 CLINT Guodong Xu
2025-12-22 13:04 ` Guodong Xu
2025-12-22 13:04 ` [PATCH v2 03/13] dt-bindings: interrupt-controller: add SpacemiT K3 APLIC Guodong Xu
2025-12-22 13:04 ` Guodong Xu
2025-12-22 13:04 ` [PATCH v2 04/13] dt-bindings: interrupt-controller: add SpacemiT K3 IMSIC Guodong Xu
2025-12-22 13:04 ` Guodong Xu
2025-12-23 13:47 ` Krzysztof Kozlowski
2025-12-23 13:47 ` Krzysztof Kozlowski
2025-12-22 13:04 ` [PATCH v2 05/13] dt-bindings: serial: 8250: add SpacemiT K3 UART compatible Guodong Xu
2025-12-22 13:04 ` Guodong Xu
2025-12-22 13:04 ` [PATCH v2 06/13] dt-bindings: riscv: spacemit: add K3 and Pico-ITX board bindings Guodong Xu
2025-12-22 13:04 ` Guodong Xu
2025-12-22 13:04 ` [PATCH v2 07/13] dt-bindings: riscv: Add B ISA extension description Guodong Xu
2025-12-22 13:04 ` Guodong Xu
2025-12-22 21:17 ` Conor Dooley
2025-12-22 21:17 ` Conor Dooley
2025-12-23 6:51 ` Guodong Xu
2025-12-23 6:51 ` Guodong Xu
2025-12-24 23:53 ` Conor Dooley
2025-12-24 23:53 ` Conor Dooley
2025-12-26 21:28 ` Alex Elder
2025-12-26 21:28 ` Alex Elder
2025-12-28 2:51 ` Guodong Xu
2025-12-28 2:51 ` Guodong Xu
2025-12-28 23:50 ` Alex Elder
2025-12-28 23:50 ` Alex Elder
2025-12-29 1:08 ` Guodong Xu
2025-12-29 1:08 ` Guodong Xu
2025-12-29 1:26 ` Alex Elder
2025-12-29 1:26 ` Alex Elder
2025-12-30 17:09 ` Conor Dooley
2025-12-30 17:09 ` Conor Dooley
2025-12-30 17:29 ` Alex Elder
2025-12-30 17:29 ` Alex Elder
2025-12-30 17:46 ` Conor Dooley
2025-12-30 17:46 ` Conor Dooley
2025-12-30 18:06 ` Alex Elder
2025-12-30 18:06 ` Alex Elder
2025-12-30 19:21 ` Conor Dooley [this message]
2025-12-30 19:21 ` Conor Dooley
2025-12-22 13:04 ` [PATCH v2 08/13] dt-bindings: riscv: Add descriptions for Za64rs, Ziccamoa, Ziccif, and Zicclsm Guodong Xu
2025-12-22 13:04 ` Guodong Xu
2025-12-26 21:28 ` Alex Elder
2025-12-26 21:28 ` Alex Elder
2025-12-28 4:10 ` Guodong Xu
2025-12-28 4:10 ` Guodong Xu
2025-12-28 23:50 ` Alex Elder
2025-12-28 23:50 ` Alex Elder
2025-12-30 0:56 ` Guodong Xu
2025-12-30 0:56 ` Guodong Xu
2025-12-22 13:04 ` [PATCH v2 09/13] dt-bindings: riscv: Add Ssccptr, Sscounterenw, Sstvala, Sstvecd, Ssu64xl Guodong Xu
2025-12-22 13:04 ` Guodong Xu
2025-12-26 21:28 ` Alex Elder
2025-12-26 21:28 ` Alex Elder
2025-12-28 12:31 ` Guodong Xu
2025-12-28 12:31 ` Guodong Xu
2025-12-28 23:50 ` Alex Elder
2025-12-28 23:50 ` Alex Elder
2025-12-22 13:04 ` [PATCH v2 10/13] dt-bindings: riscv: Add Sha and its comprised extensions Guodong Xu
2025-12-22 13:04 ` Guodong Xu
2025-12-26 21:28 ` Alex Elder
2025-12-26 21:28 ` Alex Elder
2025-12-28 12:43 ` Guodong Xu
2025-12-28 12:43 ` Guodong Xu
2025-12-28 23:50 ` Alex Elder
2025-12-28 23:50 ` Alex Elder
2025-12-22 13:04 ` [PATCH v2 11/13] dt-bindings: riscv: Add Supm extension description Guodong Xu
2025-12-22 13:04 ` Guodong Xu
2025-12-22 20:57 ` Conor Dooley
2025-12-22 20:57 ` Conor Dooley
2025-12-26 21:28 ` Alex Elder
2025-12-26 21:28 ` Alex Elder
2025-12-30 2:13 ` Rob Herring
2025-12-30 2:13 ` Rob Herring
2025-12-30 3:14 ` Alex Elder
2025-12-30 3:14 ` Alex Elder
2025-12-30 15:21 ` Rob Herring
2025-12-30 15:21 ` Rob Herring
2025-12-30 17:37 ` Conor Dooley
2025-12-30 17:37 ` Conor Dooley
2025-12-30 20:41 ` Heinrich Schuchardt
2025-12-30 20:41 ` Heinrich Schuchardt
2026-01-01 0:08 ` Conor Dooley
2026-01-01 0:08 ` Conor Dooley
2026-01-08 19:45 ` Samuel Holland
2026-01-08 19:45 ` Samuel Holland
2025-12-30 18:01 ` Alex Elder
2025-12-30 18:01 ` Alex Elder
2025-12-30 17:22 ` Conor Dooley
2025-12-30 17:22 ` Conor Dooley
2025-12-30 18:06 ` Alex Elder
2025-12-30 18:06 ` Alex Elder
2025-12-22 13:04 ` [PATCH v2 12/13] riscv: dts: spacemit: add initial device tree of SpacemiT K3 SoC Guodong Xu
2025-12-22 13:04 ` Guodong Xu
2025-12-22 13:04 ` [PATCH v2 13/13] riscv: dts: spacemit: add SpacemiT K3 Pico-ITX board device tree Guodong Xu
2025-12-22 13:04 ` Guodong Xu
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