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@xxxxxxxxxxxxxxx> know about it. >From foo@baz Sun Mar 7 04:22:37 PM CET 2021 From: Jing Xiangfeng <jingxiangfeng@xxxxxxxxxx> Date: Wed, 3 Mar 2021 15:33:16 +0800 Subject: of: unittest: Add test for of_dma_get_max_cpu_address() To: <gregkh@xxxxxxxxxxxxxxxxxxx>, <catalin.marinas@xxxxxxx>, <will@xxxxxxxxxx>, <akpm@xxxxxxxxxxxxxxxxxxxx>, <nsaenzjulienne@xxxxxxx>, <paul.walmsley@xxxxxxxxxx>, <palmer@xxxxxxxxxxx>, <aou@xxxxxxxxxxxxxxxxx>, <rppt@xxxxxxxxxx>, <lorenzo.pieralisi@xxxxxxx>, <guohanjun@xxxxxxxxxx>, <sudeep.holla@xxxxxxx>, <rjw@xxxxxxxxxxxxx>, <lenb@xxxxxxxxxx>, <song.bao.hua@xxxxxxxxxxxxx>, <ardb@xxxxxxxxxx>, <anshuman.khandual@xxxxxxx>, <bhelgaas@xxxxxxxxxx>, <guro@xxxxxx>, <robh+dt@xxxxxxxxxx> Cc: <stable@xxxxxxxxxxxxxxx>, <linux-arm-kernel@xxxxxxxxxxxxxxxxxxx>, <frowand.list@xxxxxxxxx>, <devicetree@xxxxxxxxxxxxxxx>, <linux-kernel@xxxxxxxxxxxxxxx>, <linux-mm@xxxxxxxxx>, <linux-riscv@xxxxxxxxxxxxxxxxxxx>, <jingxiangfeng@xxxxxxxxxx>, <wangkefeng.wang@xxxxxxxxxx>, Rob Herring <robh@xxxxxxxxxx> Message-ID: <20210303073319.2215839-5-jingxiangfeng@xxxxxxxxxx> From: Nicolas Saenz Julienne <nsaenzjulienne@xxxxxxx> 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@xxxxxxx> Reviewed-by: Rob Herring <robh@xxxxxxxxxx> Link: https://lore.kernel.org/r/20201119175400.9995-5-nsaenzjulienne@xxxxxxx Signed-off-by: Catalin Marinas <catalin.marinas@xxxxxxx> Cc: <stable@xxxxxxxxxxxxxxx> Signed-off-by: Jing Xiangfeng <jingxiangfeng@xxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- 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@xxxxxxxxxx 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