Update Linux to v5.4.2
Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/arch/c6x/kernel/setup.c b/arch/c6x/kernel/setup.c
index 786e36e..8ef3513 100644
--- a/arch/c6x/kernel/setup.c
+++ b/arch/c6x/kernel/setup.c
@@ -1,17 +1,13 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Port on Texas Instruments TMS320C6x architecture
*
* Copyright (C) 2004, 2006, 2009, 2010, 2011 Texas Instruments Incorporated
* Author: Aurelien Jacquiot (aurelien.jacquiot@jaluna.com)
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#include <linux/dma-mapping.h>
#include <linux/memblock.h>
#include <linux/seq_file.h>
-#include <linux/bootmem.h>
#include <linux/clkdev.h>
#include <linux/initrd.h>
#include <linux/kernel.h>
@@ -96,7 +92,7 @@
unsigned long core_khz;
u64 tmp;
struct cpuinfo_c6x *p;
- struct device_node *node, *np;
+ struct device_node *node;
p = &per_cpu(cpu_data, smp_processor_id());
@@ -190,13 +186,8 @@
p->core_id = get_coreid();
- node = of_find_node_by_name(NULL, "cpus");
- if (node) {
- for_each_child_of_node(node, np)
- if (!strcmp("cpu", np->name))
- ++c6x_num_cores;
- of_node_put(node);
- }
+ for_each_of_cpu_node(node)
+ ++c6x_num_cores;
node = of_find_node_by_name(NULL, "soc");
if (node) {
@@ -270,7 +261,7 @@
notrace void __init machine_init(unsigned long dt_ptr)
{
void *dtb = __va(dt_ptr);
- void *fdt = _fdt_start;
+ void *fdt = __dtb_start;
/* interrupts must be masked */
set_creg(IER, 2);
@@ -296,7 +287,6 @@
void __init setup_arch(char **cmdline_p)
{
- int bootmap_size;
struct memblock_region *reg;
printk(KERN_INFO "Initializing kernel\n");
@@ -353,17 +343,7 @@
init_mm.end_data = memory_start;
init_mm.brk = memory_start;
- /*
- * Give all the memory to the bootmap allocator, tell it to put the
- * boot mem_map at the start of memory
- */
- bootmap_size = init_bootmem_node(NODE_DATA(0),
- memory_start >> PAGE_SHIFT,
- PAGE_OFFSET >> PAGE_SHIFT,
- memory_end >> PAGE_SHIFT);
- memblock_reserve(memory_start, bootmap_size);
-
- unflatten_device_tree();
+ unflatten_and_copy_device_tree();
c6x_cache_init();
@@ -397,22 +377,9 @@
/* Initialize the coherent memory allocator */
coherent_mem_init(dma_start, dma_size);
- /*
- * Free all memory as a starting point.
- */
- free_bootmem(PAGE_OFFSET, memory_end - PAGE_OFFSET);
-
- /*
- * Then reserve memory which is already being used.
- */
- for_each_memblock(reserved, reg) {
- pr_debug("reserved - 0x%08x-0x%08x\n",
- (u32) reg->base, (u32) reg->size);
- reserve_bootmem(reg->base, reg->size, BOOTMEM_DEFAULT);
- }
-
max_low_pfn = PFN_DOWN(memory_end);
min_low_pfn = PFN_UP(memory_start);
+ max_pfn = max_low_pfn;
max_mapnr = max_low_pfn - min_low_pfn;
/* Get kmalloc into gear */