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charset="utf-8" X-RootMTR: 20260323100908eucas1p2f471760fe1b26181c9b0cb90dd0739a6 X-EPHeader: CA X-CMS-RootMailID: 20260323100908eucas1p2f471760fe1b26181c9b0cb90dd0739a6 References: X-Rspamd-Queue-Id: DD03F1C0007 X-Rspamd-Server: rspam07 X-Stat-Signature: 97nncjihkipbgxauh9nxgon9a8kwewmt X-Rspam-User: X-HE-Tag: 1774260550-985944 X-HE-Meta: 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 H+3Ivkhw 1cGXfsZPu7c9y/PNDK8t5vJ+j2h9P2jMz2UaYQZH3B5c/lyQZG51ZPatMP8O4CzWiTKNp0FLSXArDCuAHzHJOe7qIfw== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Hello, The reserved memory regions handling code was reworked to handle unlimited so called "static" memory nodes in commit 00c9a452a235 ("of: reserved_mem: Add code to dynamically allocate reserved_mem array"). The side effect of this rework was a set of bugs fixed later by commits 0fd17e598333 ("of: reserved_mem: Allow reserved_mem framework detect "cma=" kernel param") and 2c223f7239f3 ("of: reserved_mem: Restructure call site for dma_contiguous_early_fixup()"). As a result, the code in drivers/of/of_reserved_mem.c became a mix of generic code and CMA specific fixups. In this patchset I try to untangle this spaghetti and perform some code cleanup. I hope nothing breaks this time. Best regards Marek Szyprowski, PhD Samsung R&D Institute Poland Changelog: v2: - added missing ops assignment removal in tegra210-emc-table and swiotlb drivers - fixed issues pointed by kernel test robot and Sashiko: removed typos, improved comments - fixed incorrect node passed to fdt_validate_reserved_mem_node() in fdt_scan_reserved_mem_reg_nodes() v1: https://lore.kernel.org/all/20260313150802.1121442-1-m.szyprowski@samsung.com/ - initial version Patch summary: Marek Szyprowski (7): of: reserved_mem: remove fdt node from the structure of: reserved_mem: use -ENODEV instead of -ENOENT of: reserved_mem: switch to ops based OF_DECLARE() of: reserved_mem: replace CMA quirks by generic methods of: reserved_mem: rearrange code a bit of: reserved_mem: clarify fdt_scan_reserved_mem*() functions of: reserved_mem: rework fdt_init_reserved_mem_node() drivers/memory/tegra/tegra210-emc-table.c | 19 +- drivers/of/fdt.c | 2 +- drivers/of/of_private.h | 2 +- drivers/of/of_reserved_mem.c | 318 +++++++++++++--------- include/linux/cma.h | 10 - include/linux/dma-map-ops.h | 3 - include/linux/of_reserved_mem.h | 18 +- kernel/dma/coherent.c | 19 +- kernel/dma/contiguous.c | 86 ++++-- kernel/dma/swiotlb.c | 19 +- 10 files changed, 285 insertions(+), 211 deletions(-) -- 2.34.1