linux-kernel - [PATCH] ARM: EXYNOS: Use of_address_to

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Message-Id: <20230319163145.225323-1-robh@kernel.org>
Date:   Sun, 19 Mar 2023 11:31:44 -0500
From:   Rob Herring <robh@...nel.org>
To:     Russell King <linux@...linux.org.uk>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Alim Akhtar <alim.akhtar@...sung.com>
Cc:     linux-arm-kernel@...ts.infradead.org,
        linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] ARM: EXYNOS: Use of_address_to_resource()

Replace of_get_address() and of_translate_address() with single call
to of_address_to_resource(). With this, use ioremap() instead of
of_iomap() which would parse "reg" a second time.

Signed-off-by: Rob Herring <robh@...nel.org>
---
 arch/arm/mach-exynos/exynos.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/arch/arm/mach-exynos/exynos.c b/arch/arm/mach-exynos/exynos.c
index 51a247ca4da8..966a0995e047 100644
--- a/arch/arm/mach-exynos/exynos.c
+++ b/arch/arm/mach-exynos/exynos.c
@@ -50,11 +50,13 @@ void __init exynos_sysram_init(void)
 	struct device_node *node;
 
 	for_each_compatible_node(node, NULL, "samsung,exynos4210-sysram") {
+		struct resource res;
 		if (!of_device_is_available(node))
 			continue;
-		sysram_base_addr = of_iomap(node, 0);
-		sysram_base_phys = of_translate_address(node,
-					   of_get_address(node, 0, NULL, NULL));
+
+		of_address_to_resource(node, 0, &res);
+		sysram_base_addr = ioremap(res.start, resource_size(&res));
+		sysram_base_phys = res.start;
 		of_node_put(node);
 		break;
 	}
-- 
2.39.2