Patch "of: unittest: Add test for of_dma_get_max_cpu_address()" has been added to the 5.10-stable tree

[gregkh at linuxfoundation.org]

This is a note to let you know that I've just added the patch titled

    of: unittest: Add test for of_dma_get_max_cpu_address()

to the 5.10-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     of-unittest-add-test-for-of_dma_get_max_cpu_address.patch
and it can be found in the queue-5.10 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable at vger.kernel.org> know about it.


>From foo at baz Sun Mar  7 04:22:37 PM CET 2021
From: Jing Xiangfeng <jingxiangfeng at huawei.com>
Date: Wed, 3 Mar 2021 15:33:16 +0800
Subject: of: unittest: Add test for of_dma_get_max_cpu_address()
To: <gregkh at linuxfoundation.org>, <catalin.marinas at arm.com>, <will at kernel.org>, <akpm at linux-foundation.org>, <nsaenzjulienne at suse.de>, <paul.walmsley at sifive.com>, <palmer at dabbelt.com>, <aou at eecs.berkeley.edu>, <rppt at kernel.org>, <lorenzo.pieralisi at arm.com>, <guohanjun at huawei.com>, <sudeep.holla at arm.com>, <rjw at rjwysocki.net>, <lenb at kernel.org>, <song.bao.hua at hisilicon.com>, <ardb at kernel.org>, <anshuman.khandual at arm.com>, <bhelgaas at google.com>, <guro at fb.com>, <robh+dt at kernel.org>
Cc: <stable at vger.kernel.org>, <linux-arm-kernel at lists.infradead.org>, <frowand.list at gmail.com>, <devicetree at vger.kernel.org>, <linux-kernel at vger.kernel.org>, <linux-mm at kvack.org>, <linux-riscv at lists.infradead.org>, <jingxiangfeng at huawei.com>, <wangkefeng.wang at huawei.com>, Rob Herring <robh at kernel.org>
Message-ID: <20210303073319.2215839-5-jingxiangfeng at huawei.com>

From: Nicolas Saenz Julienne <nsaenzjulienne at suse.de>

commit 07d13a1d6120d453c3c1f020578693d072deded5 upstream

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: Nicolas Saenz Julienne <nsaenzjulienne at suse.de>
Reviewed-by: Rob Herring <robh at kernel.org>
Link: https://lore.kernel.org/r/20201119175400.9995-5-nsaenzjulienne@suse.de
Signed-off-by: Catalin Marinas <catalin.marinas at arm.com>
Cc: <stable at vger.kernel.org>
Signed-off-by: Jing Xiangfeng <jingxiangfeng at huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh at linuxfoundation.org>
---
 drivers/of/unittest.c |   18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

--- a/drivers/of/unittest.c
+++ b/drivers/of/unittest.c
@@ -869,6 +869,23 @@ static void __init of_unittest_changeset
 #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();


Patches currently in stable-queue which might be from jingxiangfeng at huawei.com are

queue-5.10/of-unittest-add-test-for-of_dma_get_max_cpu_address.patch
queue-5.10/mm-remove-examples-from-enum-zone_type-comment.patch
queue-5.10/arm64-mm-set-zone_dma-size-based-on-devicetree-s-dma-ranges.patch
queue-5.10/of-address-introduce-of_dma_get_max_cpu_address.patch
queue-5.10/arm64-mm-move-zone_dma_bits-initialization-into-zone_sizes_init.patch
queue-5.10/arm64-mm-set-zone_dma-size-based-on-early-iort-scan.patch
queue-5.10/arm64-mm-move-reserve_crashkernel-into-mem_init.patch