From: Rob Herring <robh@kernel.org>
Date: Wed, 12 Jan 2022 16:14:09 +0000 (-0600)
Subject: Merge branch 'dt/linus' into dt/next
X-Git-Tag: baikal/mips/sdk6.1~6655^2
X-Git-Url: https://git.baikalelectronics.ru/sdk/?a=commitdiff_plain;h=dfbd67de418eb177c80e6fe7cd80d1719d1df59a;p=kernel.git

Merge branch 'dt/linus' into dt/next

Pick a fix which didn't make it into v5.16.
---

dfbd67de418eb177c80e6fe7cd80d1719d1df59a
diff --cc drivers/of/fdt.c
index cf7608f0537be,65af475dfa950..ca2cfb3012a49
--- a/drivers/of/fdt.c
+++ b/drivers/of/fdt.c
@@@ -1130,22 -1130,23 +1136,23 @@@ int __init early_init_dt_scan_memory(vo
  	return 0;
  }
  
 -int __init early_init_dt_scan_chosen(unsigned long node, const char *uname,
 -				     int depth, void *data)
 +int __init early_init_dt_scan_chosen(char *cmdline)
  {
 -	int l;
 +	int l, node;
  	const char *p;
  	const void *rng_seed;
 +	const void *fdt = initial_boot_params;
  
 -	pr_debug("search \"chosen\", depth: %d, uname: %s\n", depth, uname);
 -
 -	if (depth != 1 || !data ||
 -	    (strcmp(uname, "chosen") != 0 && strcmp(uname, "chosen@0") != 0))
 -		return 0;
 +	node = fdt_path_offset(fdt, "/chosen");
 +	if (node < 0)
 +		node = fdt_path_offset(fdt, "/chosen@0");
 +	if (node < 0)
 +		return -ENOENT;
  
+ 	chosen_node_offset = node;
+ 
  	early_init_dt_check_for_initrd(node);
  	early_init_dt_check_for_elfcorehdr(node);
- 	early_init_dt_check_for_usable_mem_range(node);
  
  	/* Retrieve command line */
  	p = of_get_flat_dt_prop(node, "bootargs", &l);
@@@ -1277,10 -1279,10 +1284,10 @@@ void __init early_init_dt_scan_nodes(vo
  		pr_warn("No chosen node found, continuing without\n");
  
  	/* Setup memory, calling early_init_dt_add_memory_arch */
 -	of_scan_flat_dt(early_init_dt_scan_memory, NULL);
 +	early_init_dt_scan_memory();
  
  	/* Handle linux,usable-memory-range property */
- 	memblock_cap_memory_range(cap_mem_addr, cap_mem_size);
+ 	early_init_dt_check_for_usable_mem_range();
  }
  
  bool __init early_init_dt_scan(void *params)
diff --cc include/linux/of_fdt.h
index 914739f3c1926,ad09beb6d13c4..d69ad5bb1eb1e
--- a/include/linux/of_fdt.h
+++ b/include/linux/of_fdt.h
@@@ -58,8 -58,11 +58,9 @@@ extern int of_flat_dt_is_compatible(uns
  extern unsigned long of_get_flat_dt_root(void);
  extern uint32_t of_get_flat_dt_phandle(unsigned long node);
  
 -extern int early_init_dt_scan_chosen(unsigned long node, const char *uname,
 -				     int depth, void *data);
 -extern int early_init_dt_scan_memory(unsigned long node, const char *uname,
 -				     int depth, void *data);
 +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_init_fdt_reserve_self(void);