From: Anup Patel <apatel@ventanamicro.com>
To: Michael Turquette <mturquette@baylibre.com>,
	Stephen Boyd <sboyd@kernel.org>,
	Rob Herring <robh@kernel.org>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	Conor Dooley <conor+dt@kernel.org>,
	Jassi Brar <jassisinghbrar@gmail.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	"Rafael J . Wysocki" <rafael@kernel.org>,
	Mika Westerberg <mika.westerberg@linux.intel.com>,
	Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
	Linus Walleij <linus.walleij@linaro.org>,
	Bartosz Golaszewski <brgl@bgdev.pl>,
	=?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= <ukleinek@kernel.org>
Cc: Palmer Dabbelt <palmer@dabbelt.com>,
	Paul Walmsley <paul.walmsley@sifive.com>,
	Alexandre Ghiti <alex@ghiti.fr>,
	Len Brown <lenb@kernel.org>,
	Sunil V L <sunilvl@ventanamicro.com>,
	Rahul Pathak <rpathak@ventanamicro.com>,
	Leyfoon Tan <leyfoon.tan@starfivetech.com>,
	Atish Patra <atish.patra@linux.dev>,
	Andrew Jones <ajones@ventanamicro.com>,
	Samuel Holland <samuel.holland@sifive.com>,
	Anup Patel <anup@brainfault.org>,
	linux-clk@vger.kernel.org,
	devicetree@vger.kernel.org,
	linux-acpi@vger.kernel.org,
	linux-riscv@lists.infradead.org,
	linux-kernel@vger.kernel.org,
	Anup Patel <apatel@ventanamicro.com>
Subject: [PATCH v10 06/24] byteorder: Add memcpy_to_le32() and memcpy_from_le32()
Date: Mon, 18 Aug 2025 09:39:02 +0530
Message-ID: <20250818040920.272664-7-apatel@ventanamicro.com>
In-Reply-To: <20250818040920.272664-1-apatel@ventanamicro.com>
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Add common memcpy APIs for copying u32 array to/from __le32 array.

Suggested-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Anup Patel <apatel@ventanamicro.com>
---
 include/linux/byteorder/generic.h | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/include/linux/byteorder/generic.h b/include/linux/byteorder/generic.h
index c9a4c96c9943..b3705e8bbe2b 100644
--- a/include/linux/byteorder/generic.h
+++ b/include/linux/byteorder/generic.h
@@ -173,6 +173,22 @@ static inline void cpu_to_le32_array(u32 *buf, unsigned int words)
 	}
 }
 
+static inline void memcpy_from_le32(u32 *dst, const __le32 *src, size_t words)
+{
+	size_t i;
+
+	for (i = 0; i < words; i++)
+		dst[i] = le32_to_cpu(src[i]);
+}
+
+static inline void memcpy_to_le32(__le32 *dst, const u32 *src, size_t words)
+{
+	size_t i;
+
+	for (i = 0; i < words; i++)
+		dst[i] = cpu_to_le32(src[i]);
+}
+
 static inline void be16_add_cpu(__be16 *var, u16 val)
 {
 	*var = cpu_to_be16(be16_to_cpu(*var) + val);
-- 
2.43.0