linux-kernel - [PATCH 5.10 40/42] of: unittest: Fix build on architectures without CONFIG_OF

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Date:   Mon,  8 Mar 2021 13:31:06 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, kernel test robot <lkp@...el.com>,
        Catalin Marinas <catalin.marinas@....com>,
        Jing Xiangfeng <jingxiangfeng@...wei.com>
Subject: [PATCH 5.10 40/42] of: unittest: Fix build on architectures without CONFIG_OF_ADDRESS

From: Catalin Marinas <catalin.marinas@....com>

commit aed5041ef9a3f594ed9dc0bb5ee7e1bbccfd3366 upstream.

of_dma_get_max_cpu_address() is not defined if !CONFIG_OF_ADDRESS, so
return early in of_unittest_dma_get_max_cpu_address().

Fixes: 07d13a1d6120 ("of: unittest: Add test for of_dma_get_max_cpu_address()")
Reported-by: kernel test robot <lkp@...el.com>
Signed-off-by: Catalin Marinas <catalin.marinas@....com>
Cc: Jing Xiangfeng <jingxiangfeng@...wei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/of/unittest.c |    3 +++
 1 file changed, 3 insertions(+)

--- a/drivers/of/unittest.c
+++ b/drivers/of/unittest.c
@@ -874,6 +874,9 @@ static void __init of_unittest_dma_get_m
 	struct device_node *np;
 	phys_addr_t cpu_addr;
 
+	if (!IS_ENABLED(CONFIG_OF_ADDRESS))
+		return;
+
 	np = of_find_node_by_path("/testcase-data/address-tests");
 	if (!np) {
 		pr_err("missing testcase data\n");