ARC: [cmdline] uboot cmdline handling rework

* Moved cmdline copy from asm to "C" - allows for more robust checking
  of pointer validity etc.

* Remove the Kconfig option to do so, base it on a runtime value passed
  by u-boot

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

1 files changed, 0 insertions, 11 deletions

diff --git a/arch/arc/Kconfig b/arch/arc/Kconfig
index 9063ae6553cc..c1f76f7424ac 100644
--- a/arch/arc/Kconfig
+++ b/arch/arc/Kconfig
@@ -409,17 +409,6 @@ 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_UBOOT
-        bool "Support U-boot kernel command line passing"
-        default n
-        help
-          If you are using U-boot (www.denx.de) and wish to pass the kernel
-          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 append this to DeviceTree
-          /bootargs provided cmdline args.
-
 config ARC_BUILTIN_DTB_NAME
         string "Built in DTB"
         help