Commit 07d13a1d authored by Nicolas Saenz Julienne's avatar Nicolas Saenz Julienne Committed by Catalin Marinas
Browse files

of: unittest: Add test for of_dma_get_max_cpu_address()



Introduce a test for of_dma_get_max_cup_address(), it uses the same DT
data as the rest of dma-ranges unit tests.

Signed-off-by: default avatarNicolas Saenz Julienne <nsaenzjulienne@suse.de>
Reviewed-by: default avatarRob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20201119175400.9995-5-nsaenzjulienne@suse.de


Signed-off-by: default avatarCatalin Marinas <catalin.marinas@arm.com>
parent 964db79d
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+18 −0
Original line number Diff line number Diff line
@@ -869,6 +869,23 @@ static void __init of_unittest_changeset(void)
#endif
}

static void __init of_unittest_dma_get_max_cpu_address(void)
{
	struct device_node *np;
	phys_addr_t cpu_addr;

	np = of_find_node_by_path("/testcase-data/address-tests");
	if (!np) {
		pr_err("missing testcase data\n");
		return;
	}

	cpu_addr = of_dma_get_max_cpu_address(np);
	unittest(cpu_addr == 0x4fffffff,
		 "of_dma_get_max_cpu_address: wrong CPU addr %pad (expecting %x)\n",
		 &cpu_addr, 0x4fffffff);
}

static void __init of_unittest_dma_ranges_one(const char *path,
		u64 expect_dma_addr, u64 expect_paddr)
{
@@ -3266,6 +3283,7 @@ static int __init of_unittest(void)
	of_unittest_changeset();
	of_unittest_parse_interrupts();
	of_unittest_parse_interrupts_extended();
	of_unittest_dma_get_max_cpu_address();
	of_unittest_parse_dma_ranges();
	of_unittest_pci_dma_ranges();
	of_unittest_match_node();