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Message-ID: <9704923d06839d92f4ef6fb28523b0f47e154df4.1703683642.git.baruch@tkos.co.il>
Date: Wed, 27 Dec 2023 17:04:26 +0200
From: Baruch Siach <baruch@...s.co.il>
To: Christoph Hellwig <hch@....de>,
	Marek Szyprowski <m.szyprowski@...sung.com>,
	Rob Herring <robh+dt@...nel.org>,
	Frank Rowand <frowand.list@...il.com>,
	Catalin Marinas <catalin.marinas@....com>,
	Will Deacon <will@...nel.org>
Cc: Baruch Siach <baruch@...s.co.il>,
	Robin Murphy <robin.murphy@....com>,
	iommu@...ts.linux.dev,
	devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	Petr Tesařík <petr@...arici.cz>,
	Ramon Fried <ramon@...reality.ai>
Subject: [PATCH RFC 2/4] of: unittest: add test for of_dma_get_cpu_limits() 'min' param

Verify that of_dma_get_cpu_limits() sets this new parameter to the
expected result.

Signed-off-by: Baruch Siach <baruch@...s.co.il>
---
 drivers/of/unittest.c | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/drivers/of/unittest.c b/drivers/of/unittest.c
index 21d273a05ba6..d3b2c6ca56cd 100644
--- a/drivers/of/unittest.c
+++ b/drivers/of/unittest.c
@@ -911,7 +911,7 @@ static void __init of_unittest_changeset(void)
 static void __init of_unittest_dma_get_cpu_limits(void)
 {
 	struct device_node *np;
-	phys_addr_t cpu_addr;
+	phys_addr_t cpu_addr_max, cpu_addr_min;
 
 	if (!IS_ENABLED(CONFIG_OF_ADDRESS))
 		return;
@@ -922,10 +922,13 @@ static void __init of_unittest_dma_get_cpu_limits(void)
 		return;
 	}
 
-	of_dma_get_cpu_limits(np, &cpu_addr, NULL);
-	unittest(cpu_addr == 0x4fffffff,
-		 "of_dma_get_cpu_limits: wrong CPU addr %pad (expecting %x)\n",
-		 &cpu_addr, 0x4fffffff);
+	of_dma_get_cpu_limits(np, &cpu_addr_max, &cpu_addr_min);
+	unittest(cpu_addr_max == 0x4fffffff,
+		 "of_dma_get_cpu_limits: wrong CPU max addr %pad (expecting %x)\n",
+		 &cpu_addr_max, 0x4fffffff);
+	unittest(cpu_addr_min == 0x40000000,
+		 "of_dma_get_cpu_limits: wrong CPU min addr %pad (expecting %x)\n",
+		 &cpu_addr_min, 0x40000000);
 }
 
 static void __init of_unittest_dma_ranges_one(const char *path,
-- 
2.43.0


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