This converts the architecture to GENERIC_CMDLINE.

Signed-off-by: Christophe Leroy <christophe.le...@csgroup.eu>
---
 arch/nios2/Kconfig        | 24 +-----------------------
 arch/nios2/kernel/setup.c | 13 ++++---------
 2 files changed, 5 insertions(+), 32 deletions(-)

diff --git a/arch/nios2/Kconfig b/arch/nios2/Kconfig
index c24955c81c92..f66c97b15813 100644
--- a/arch/nios2/Kconfig
+++ b/arch/nios2/Kconfig
@@ -90,31 +90,9 @@ config NIOS2_ALIGNMENT_TRAP
 
 comment "Boot options"
 
-config CMDLINE_BOOL
-       bool "Default bootloader kernel arguments"
-       default y
-
-config CMDLINE
-       string "Default kernel command string"
-       default ""
-       depends on CMDLINE_BOOL
-       help
-         On some platforms, there is currently no way for the boot loader to
-         pass arguments to the kernel. For these platforms, you can supply
-         some command-line options at build time by entering them here.  In
-         other cases you can specify kernel args so that you don't have
-         to set them up in board prom initialization routines.
-
-config CMDLINE_FORCE
-       bool "Force default kernel command string"
-       depends on CMDLINE_BOOL
-       help
-         Set this to have arguments from the default kernel command string
-         override those passed by the boot loader.
-
 config NIOS2_CMDLINE_IGNORE_DTB
        bool "Ignore kernel command string from DTB"
-       depends on CMDLINE_BOOL
+       depends on CMDLINE != ""
        depends on !CMDLINE_FORCE
        default y
        help
diff --git a/arch/nios2/kernel/setup.c b/arch/nios2/kernel/setup.c
index d2f21957e99c..42464f457a6d 100644
--- a/arch/nios2/kernel/setup.c
+++ b/arch/nios2/kernel/setup.c
@@ -20,6 +20,7 @@
 #include <linux/initrd.h>
 #include <linux/of_fdt.h>
 #include <linux/screen_info.h>
+#include <linux/cmdline.h>
 
 #include <asm/mmu_context.h>
 #include <asm/sections.h>
@@ -108,7 +109,7 @@ asmlinkage void __init nios2_boot_init(unsigned r4, 
unsigned r5, unsigned r6,
                                       unsigned r7)
 {
        unsigned dtb_passed = 0;
-       char cmdline_passed[COMMAND_LINE_SIZE] __maybe_unused = { 0, };
+       char cmdline_passed[COMMAND_LINE_SIZE] = { 0, };
 
 #if defined(CONFIG_NIOS2_PASS_CMDLINE)
        if (r4 == 0x534f494e) { /* r4 is magic NIOS */
@@ -127,14 +128,8 @@ asmlinkage void __init nios2_boot_init(unsigned r4, 
unsigned r5, unsigned r6,
 
        early_init_devtree((void *)dtb_passed);
 
-#ifndef CONFIG_CMDLINE_FORCE
-       if (cmdline_passed[0])
-               strlcpy(boot_command_line, cmdline_passed, COMMAND_LINE_SIZE);
-#ifdef CONFIG_NIOS2_CMDLINE_IGNORE_DTB
-       else
-               strlcpy(boot_command_line, CONFIG_CMDLINE, COMMAND_LINE_SIZE);
-#endif
-#endif
+       if (cmdline_passed[0] || IS_ENABLED(CONFIG_NIOS2_CMDLINE_IGNORE_DTB))
+               cmdline_build(boot_command_line, cmdline_passed, 
COMMAND_LINE_SIZE);
 
        parse_early_param();
 }
-- 
2.25.0

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