linux-kernel - [PATCH 12/12] riscv: hwprobe: Add SiFive xsfvfwmaccqqq vendor extension

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Message-Id: <20250418053239.4351-13-cyan.yang@sifive.com>
Date: Fri, 18 Apr 2025 13:32:39 +0800
From: Cyan Yang <cyan.yang@...ive.com>
To: robh@...nel.org,
	krzk+dt@...nel.org,
	conor+dt@...nel.org,
	corbet@....net,
	paul.walmsley@...ive.com,
	palmer@...belt.com,
	aou@...s.berkeley.edu,
	alex@...ti.fr,
	samuel.holland@...ive.com
Cc: linux-doc@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-riscv@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	Cyan Yang <cyan.yang@...ive.com>
Subject: [PATCH 12/12] riscv: hwprobe: Add SiFive xsfvfwmaccqqq vendor extension

Add hwprobe for SiFive "xsfvfwmaccqqq" vendor extension.

Signed-off-by: Cyan Yang <cyan.yang@...ive.com>
---
 arch/riscv/include/uapi/asm/vendor/sifive.h          | 1 +
 arch/riscv/kernel/vendor_extensions/sifive_hwprobe.c | 1 +
 2 files changed, 2 insertions(+)

diff --git a/arch/riscv/include/uapi/asm/vendor/sifive.h b/arch/riscv/include/uapi/asm/vendor/sifive.h
index b772d4631284..9f3278a4b298 100644
--- a/arch/riscv/include/uapi/asm/vendor/sifive.h
+++ b/arch/riscv/include/uapi/asm/vendor/sifive.h
@@ -3,3 +3,4 @@
 #define	RISCV_HWPROBE_VENDOR_EXT_XSFVQMACCDOD		(1 << 0)
 #define	RISCV_HWPROBE_VENDOR_EXT_XSFVQMACCQOQ		(1 << 1)
 #define	RISCV_HWPROBE_VENDOR_EXT_XSFVFNRCLIPXFQF		(1 << 2)
+#define	RISCV_HWPROBE_VENDOR_EXT_XSFVFWMACCQQQ		(1 << 3)
diff --git a/arch/riscv/kernel/vendor_extensions/sifive_hwprobe.c b/arch/riscv/kernel/vendor_extensions/sifive_hwprobe.c
index 2b9505079a9f..1f77f6309763 100644
--- a/arch/riscv/kernel/vendor_extensions/sifive_hwprobe.c
+++ b/arch/riscv/kernel/vendor_extensions/sifive_hwprobe.c
@@ -17,5 +17,6 @@ void hwprobe_isa_vendor_ext_sifive_0(struct riscv_hwprobe *pair, const struct cp
 		VENDOR_EXT_KEY(XSFVQMACCDOD);
 		VENDOR_EXT_KEY(XSFVQMACCQOQ);
 		VENDOR_EXT_KEY(XSFVFNRCLIPXFQF);
+		VENDOR_EXT_KEY(XSFVFWMACCQQQ);
 	});
 }
-- 
2.39.5 (Apple Git-154)