linux-kernel - [PATCH] riscv: dts: fix isa string for Canaan Kendryte K230

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Message-ID: <tencent_B61C1370E7632842D61BB7F9FA0515B44D09@qq.com>
Date: Thu,  9 May 2024 17:33:11 +0800
From: Yangyu Chen <cyy@...self.name>
To: linux-riscv@...ts.infradead.org
Cc: Conor Dooley <conor@...nel.org>,
	Palmer Dabbelt <palmer@...belt.com>,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Yangyu Chen <cyy@...self.name>
Subject: [PATCH] riscv: dts: fix isa string for Canaan Kendryte K230

The original is a string in dts that has no "zfh" or "zvfh" extension,
but the K230 chip has them, so I am adding them to the dts. This
patch also reordered the Z* extension in the isa string and used
canonical order for the category as the first key and then alphabet
order as the second key to meet RISC-V ISA Extension Naming
Conventions.

Signed-off-by: Yangyu Chen <cyy@...self.name>
---
prerequisite-patchset: https://lore.kernel.org/linux-riscv/tencent_22BA0425B4DF1CA1713B62E4423C1BFBF809@qq.com/
---
 arch/riscv/boot/dts/canaan/k230.dtsi | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/arch/riscv/boot/dts/canaan/k230.dtsi b/arch/riscv/boot/dts/canaan/k230.dtsi
index 95c1a3d8fb11..104e08ef5869 100644
--- a/arch/riscv/boot/dts/canaan/k230.dtsi
+++ b/arch/riscv/boot/dts/canaan/k230.dtsi
@@ -24,11 +24,12 @@ cpu@0 {
 			compatible = "thead,c908", "riscv";
 			device_type = "cpu";
 			reg = <0>;
-			riscv,isa = "rv64imafdcv_zba_zbb_zbc_zbs_zicbom_zicbop_zicboz_svpbmt";
+			riscv,isa = "rv64imafdcv_zicbom_zicbop_zicboz_zfh_zba_zbb_zbc_zbs_zvfh_svpbmt";
 			riscv,isa-base = "rv64i";
-			riscv,isa-extensions = "i", "m", "a", "f", "d", "c", "v", "zba", "zbb",
-					       "zbc", "zbs", "zicbom", "zicbop", "zicboz",
-					       "zicntr", "zicsr", "zifencei", "zihpm", "svpbmt";
+			riscv,isa-extensions = "i", "m", "a", "f", "d", "c", "v", "zicbom",
+					       "zicbop", "zicboz", "zicntr", "zicsr", "zifencei",
+					       "zihpm", "zfh", "zba", "zbb", "zbc", "zbs", "zvfh",
+					       "svpbmt";
 			riscv,cbom-block-size = <64>;
 			riscv,cbop-block-size = <64>;
 			riscv,cboz-block-size = <64>;
-- 
2.43.0