提交 7559d9f9 编写于 作者: A Ard Biesheuvel 提交者: Will Deacon

arm64: setup: drop early FDT pointer helpers

We no longer need to call into the kernel to map the FDT before calling
into the kernel so let's drop the helpers we added for this.
Signed-off-by: NArd Biesheuvel <ardb@kernel.org>
Link: https://lore.kernel.org/r/20220624150651.1358849-22-ardb@kernel.orgSigned-off-by: NWill Deacon <will@kernel.org>
上级 aacd149b
......@@ -5,9 +5,6 @@
#include <uapi/asm/setup.h>
void *get_early_fdt_ptr(void);
void early_fdt_map(u64 dt_phys);
/*
* These two variables are used in the head.S file.
*/
......
......@@ -446,8 +446,6 @@ SYM_FUNC_START_LOCAL(__primary_switched)
#if defined(CONFIG_KASAN_GENERIC) || defined(CONFIG_KASAN_SW_TAGS)
bl kasan_early_init
#endif
mov x0, x21 // pass FDT address in x0
bl early_fdt_map // Try mapping the FDT early
mov x0, x22 // pass FDT address in x0
bl init_feature_override // Parse cpu feature overrides
mov x0, x20
......
......@@ -163,21 +163,6 @@ static void __init smp_build_mpidr_hash(void)
pr_warn("Large number of MPIDR hash buckets detected\n");
}
static void *early_fdt_ptr __initdata;
void __init *get_early_fdt_ptr(void)
{
return early_fdt_ptr;
}
asmlinkage void __init early_fdt_map(u64 dt_phys)
{
int fdt_size;
early_fixmap_init();
early_fdt_ptr = fixmap_remap_fdt(dt_phys, &fdt_size, PAGE_KERNEL);
}
static void __init setup_machine_fdt(phys_addr_t dt_phys)
{
int size;
......
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