linux-kernel - [PATCH 17/46] of: reserved_mem: Delete the early_init_fdt_scan_reserved

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Date: Fri, 26 Jan 2024 15:53:56 -0800
From: Oreoluwa Babatunde <quic_obabatun@...cinc.com>
To: <catalin.marinas@....com>, <will@...nel.org>, <robh+dt@...nel.org>,
        <frowand.list@...il.com>, <vgupta@...nel.org>, <arnd@...db.de>,
        <olof@...om.net>, <soc@...nel.org>, <guoren@...nel.org>,
        <monstr@...str.eu>, <palmer@...belt.com>, <aou@...s.berkeley.edu>,
        <dinguyen@...nel.org>, <chenhuacai@...nel.org>,
        <tsbogend@...ha.franken.de>, <jonas@...thpole.se>,
        <stefan.kristiansson@...nalahti.fi>, <shorne@...il.com>,
        <mpe@...erman.id.au>, <ysato@...rs.sourceforge.jp>, <dalias@...c.org>,
        <glaubitz@...sik.fu-berlin.de>, <richard@....at>,
        <anton.ivanov@...bridgegreys.com>, <johannes@...solutions.net>,
        <chris@...kel.net>, <jcmvbkbc@...il.com>
CC: <linux-arm-kernel@...ts.infradead.org>, <linux-kernel@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linux-arm-msm@...r.kernel.org>,
        <kernel@...cinc.com>, Oreoluwa Babatunde <quic_obabatun@...cinc.com>
Subject: [PATCH 17/46] of: reserved_mem: Delete the early_init_fdt_scan_reserved_mem() function

Delete the early_init_fdt_scan_reserved_mem() function definition since
this function is no longer being used anywhere in the kernel.

Signed-off-by: Oreoluwa Babatunde <quic_obabatun@...cinc.com>
---
 drivers/of/fdt.c       | 29 -----------------------------
 include/linux/of_fdt.h |  2 --
 2 files changed, 31 deletions(-)

diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c
index 6bda033936af..c6e8560946f4 100644
--- a/drivers/of/fdt.c
+++ b/drivers/of/fdt.c
@@ -682,35 +682,6 @@ static void __init fdt_reserve_elfcorehdr(void)
 		elfcorehdr_size >> 10, elfcorehdr_addr);
 }
 
-/**
- * early_init_fdt_scan_reserved_mem() - create reserved memory regions
- *
- * This function grabs memory from early allocator for device exclusive use
- * defined in device tree structures. It should be called by arch specific code
- * once the early allocator (i.e. memblock) has been fully activated.
- */
-void __init early_init_fdt_scan_reserved_mem(void)
-{
-	int n;
-	u64 base, size;
-
-	if (!initial_boot_params)
-		return;
-
-	fdt_scan_reserved_mem();
-	fdt_reserve_elfcorehdr();
-
-	/* Process header /memreserve/ fields */
-	for (n = 0; ; n++) {
-		fdt_get_mem_rsv(initial_boot_params, n, &base, &size);
-		if (!size)
-			break;
-		memblock_reserve(base, size);
-	}
-
-	fdt_init_reserved_mem();
-}
-
 /**
  * early_fdt_scan_reserved_mem() - create reserved memory regions
  *
diff --git a/include/linux/of_fdt.h b/include/linux/of_fdt.h
index 9b849c5c3917..9b85bbc5d9f5 100644
--- a/include/linux/of_fdt.h
+++ b/include/linux/of_fdt.h
@@ -62,7 +62,6 @@ extern int early_init_dt_scan_chosen(char *cmdline);
 extern int early_init_dt_scan_memory(void);
 extern void early_init_dt_check_for_usable_mem_range(void);
 extern int early_init_dt_scan_chosen_stdout(void);
-extern void early_init_fdt_scan_reserved_mem(void);
 extern void early_fdt_scan_reserved_mem(void);
 extern void early_init_fdt_reserve_self(void);
 extern void early_init_dt_add_memory_arch(u64 base, u64 size);
@@ -88,7 +87,6 @@ extern void early_get_first_memblock_info(void *, phys_addr_t *);
 #else /* CONFIG_OF_EARLY_FLATTREE */
 static inline void early_init_dt_check_for_usable_mem_range(void) {}
 static inline int early_init_dt_scan_chosen_stdout(void) { return -ENODEV; }
-static inline void early_init_fdt_scan_reserved_mem(void) {}
 static inline void early_fdt_scan_reserved_mem(void) {}
 static inline void early_init_fdt_reserve_self(void) {}
 static inline const char *of_flat_dt_get_machine_name(void) { return NULL; }
-- 
2.17.1