riscv: mm: remove redundant parameter of create_fdt_early_page_table

create_fdt_early_page_table() explicitly uses early_pg_dir for
32-bit fdt mapping and the pgdir parameter is redundant here.
So remove it and its caller.

Reviewed-by: Alexandre Ghiti <alexghiti@rivosinc.com>
Signed-off-by: Song Shuai <suagrfillet@gmail.com>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Fixes: ef69d2559fe9 ("riscv: Move early dtb mapping into the fixmap region")
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20230426100009.685435-1-suagrfillet@gmail.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>

diff --git a/arch/riscv/mm/init.c b/arch/riscv/mm/init.c
index a39fe42..747e5b1 100644 (file)
--- a/arch/riscv/mm/init.c
+++ b/arch/riscv/mm/init.c
@@ -919,8 +919,7 @@ static void __init create_kernel_page_table(pgd_t *pgdir, bool early)
  * this means 2 PMD entries whereas for 32-bit kernel, this is only 1 PGDIR
  * entry.
  */
-static void __init create_fdt_early_page_table(pgd_t *pgdir,
-                                              uintptr_t fix_fdt_va,
+static void __init create_fdt_early_page_table(uintptr_t fix_fdt_va,
                                               uintptr_t dtb_pa)
 {
        uintptr_t pa = dtb_pa & ~(PMD_SIZE - 1);
@@ -1132,8 +1131,7 @@ asmlinkage void __init setup_vm(uintptr_t dtb_pa)
        create_kernel_page_table(early_pg_dir, true);
 
        /* Setup early mapping for FDT early scan */
-       create_fdt_early_page_table(early_pg_dir,
-                                   __fix_to_virt(FIX_FDT), dtb_pa);
+       create_fdt_early_page_table(__fix_to_virt(FIX_FDT), dtb_pa);
 
        /*
         * Bootime fixmap only can handle PMD_SIZE mapping. Thus, boot-ioremap