ARC: [cmdline] Remove CONFIG_CMDLINE

Given that DeviceTree /bootargs can provide similar functionality,
no point in providing duplicate infrastructure.

Signed-off-by: Vineet Gupta <vgupta@synopsys.com>

2 files changed, 2 insertions, 14 deletions

diff --git a/arch/arc/Kconfig b/arch/arc/Kconfig
index 73ed284ffa25..34974e230bad 100644
--- a/arch/arc/Kconfig
+++ b/arch/arc/Kconfig
@@ -408,13 +408,6 @@ config ARC_DBG_TLB_MISS_COUNT
           Counts number of I and D TLB Misses and exports them via Debugfs
           The counters can be cleared via Debugfs as well
 
-config CMDLINE
-        string "Kernel command line to built-in"
-        default "print-fatal-signals=1"
-        help
-          The default command line which will be appended to the optional
-          u-boot provided command line (see below)
-
 config CMDLINE_UBOOT
         bool "Support U-boot kernel command line passing"
         default n
@@ -423,8 +416,8 @@ config CMDLINE_UBOOT
           command line from the U-boot environment to the Linux kernel then
           switch this option on.
           ARC U-boot will setup the cmdline in RAM/flash and set r2 to point
-          to it. kernel startup code will copy the string into cmdline buffer
-          and also append CONFIG_CMDLINE.
+          to it. kernel startup code will append this to DeviceTree
+          /bootargs provided cmdline args.
 
 config ARC_BUILTIN_DTB_NAME
         string "Built in DTB"
diff --git a/arch/arc/kernel/setup.c b/arch/arc/kernel/setup.c
index 197514649034..18763153e07c 100644
--- a/arch/arc/kernel/setup.c
+++ b/arch/arc/kernel/setup.c
@@ -322,11 +322,6 @@ void __init setup_arch(char **cmdline_p)
         /* Make sure that a whitespace is inserted before */
         strlcat(command_line, " ", sizeof(command_line));
 #endif
-        /*
-         * Append .config cmdline to base command line, which might already
-         * contain u-boot "bootargs" (handled by head.S, if so configured)
-         */
-        strlcat(command_line, CONFIG_CMDLINE, sizeof(command_line));
 
         /* Save unparsed command line copy for /proc/cmdline */
         strlcpy(boot_command_line, command_line, COMMAND_LINE_SIZE);