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charset="utf-8" X-RootMTR: 20260325090034eucas1p17e2eefa714bbc8cd4828a7e88c2dbfd3 X-EPHeader: CA X-CMS-RootMailID: 20260325090034eucas1p17e2eefa714bbc8cd4828a7e88c2dbfd3 References: <20260325090023.3175348-1-m.szyprowski@samsung.com> X-Rspam-User: X-Rspamd-Server: rspam11 X-Rspamd-Queue-Id: 280D040014 X-Stat-Signature: emedssdsc574qjffo1dj59fikmtyt3nc X-HE-Tag: 1774429236-518088 X-HE-Meta: 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 VkNyA0Iu Y5Vu26K/Q1Lb1aKmzh5SpJSh6TeuCOWxW3wst3R4XEVHJ5Dqy9zoAA3eh16VuBKwds0O0CwWgmLGMZssS2pFsEBl0pLJBHUqtgtefk/fy+euJvlCU9AmLz5Ie2r5TvCdmanggVfdHjKG/8BxpBLw4FHkMuDDGPmSP90aP Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Rename fdt_scan_reserved_mem_reg_nodes() to fdt_scan_reserved_mem_late() to clearly show how it differs from fdt_scan_reserved_mem() and update description of both functions. Signed-off-by: Marek Szyprowski --- drivers/of/fdt.c | 2 +- drivers/of/of_private.h | 2 +- drivers/of/of_reserved_mem.c | 24 +++++++++++++++--------- 3 files changed, 17 insertions(+), 11 deletions(-) diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c index 2967e4aff807..104e697bee7b 100644 --- a/drivers/of/fdt.c +++ b/drivers/of/fdt.c @@ -1295,7 +1295,7 @@ void __init unflatten_device_tree(void) void *fdt = initial_boot_params; /* Save the statically-placed regions in the reserved_mem array */ - fdt_scan_reserved_mem_reg_nodes(); + fdt_scan_reserved_mem_late(); /* Populate an empty root node when bootloader doesn't provide one */ if (!fdt) { diff --git a/drivers/of/of_private.h b/drivers/of/of_private.h index df0bb00349e0..0ae16da066e2 100644 --- a/drivers/of/of_private.h +++ b/drivers/of/of_private.h @@ -186,7 +186,7 @@ static inline struct device_node *__of_get_dma_parent(const struct device_node * #endif int fdt_scan_reserved_mem(void); -void __init fdt_scan_reserved_mem_reg_nodes(void); +void __init fdt_scan_reserved_mem_late(void); bool of_fdt_device_is_available(const void *blob, unsigned long node); diff --git a/drivers/of/of_reserved_mem.c b/drivers/of/of_reserved_mem.c index f9b6d3ebcc20..037e3d74dde1 100644 --- a/drivers/of/of_reserved_mem.c +++ b/drivers/of/of_reserved_mem.c @@ -265,16 +265,15 @@ static void __init __rmem_check_for_overlap(void) } /** - * fdt_scan_reserved_mem_reg_nodes() - Store info for the "reg" defined - * reserved memory regions. + * fdt_scan_reserved_mem_late() - Scan FDT and initialize remaining reserved + * memory regions. * - * This function is used to scan through the DT and store the - * information for the reserved memory regions that are defined using - * the "reg" property. The region node number, name, base address, and - * size are all stored in the reserved_mem array by calling the - * fdt_reserved_mem_save_node() function. + * This function is used to scan again through the DT and initialize the + * "static" reserved memory regions, that are defined using the "reg" + * property. Each such region is then initialized with its specific init + * function and stored in the global reserved_mem array. */ -void __init fdt_scan_reserved_mem_reg_nodes(void) +void __init fdt_scan_reserved_mem_late(void) { const void *fdt = initial_boot_params; phys_addr_t base, size; @@ -328,7 +327,14 @@ void __init fdt_scan_reserved_mem_reg_nodes(void) static int __init __reserved_mem_alloc_size(unsigned long node, const char *uname); /* - * fdt_scan_reserved_mem() - scan a single FDT node for reserved memory + * fdt_scan_reserved_mem() - reserve and allocate memory occupied by + * reserved memory regions. + * + * This function is used to scan through the FDT and mark memory occupied + * by all static (defined by the "reg" property) reserved memory regions. + * Then memory for all dynamic regions (defined by size & alignment) is + * allocated, a region specific init function is called and region information + * is stored in the reserved_mem array. */ int __init fdt_scan_reserved_mem(void) { -- 2.34.1