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ARC: [cmdline] Remove CONFIG_CMDLINE

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

Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
This commit is contained in:
Vineet Gupta 2013-04-09 16:12:01 +05:30
parent 330db3330a
commit 6971881f2a
2 changed files with 2 additions and 14 deletions
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11
arch/arc/Kconfig
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@ -408,13 +408,6 @@ config ARC_DBG_TLB_MISS_COUNT
Counts number of I and D TLB Misses and exports them via Debugfs Counts number of I and D TLB Misses and exports them via Debugfs
The counters can be cleared via Debugfs as well 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 config CMDLINE_UBOOT
bool "Support U-boot kernel command line passing" bool "Support U-boot kernel command line passing"
default n default n
@ -423,8 +416,8 @@ config CMDLINE_UBOOT
command line from the U-boot environment to the Linux kernel then command line from the U-boot environment to the Linux kernel then
switch this option on. switch this option on.
ARC U-boot will setup the cmdline in RAM/flash and set r2 to point 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 to it. kernel startup code will append this to DeviceTree
and also append CONFIG_CMDLINE. /bootargs provided cmdline args.
config ARC_BUILTIN_DTB_NAME config ARC_BUILTIN_DTB_NAME
string "Built in DTB" string "Built in DTB"

5
arch/arc/kernel/setup.c
View file

@ -322,11 +322,6 @@ void __init setup_arch(char **cmdline_p)
/* Make sure that a whitespace is inserted before */ /* Make sure that a whitespace is inserted before */
strlcat(command_line, " ", sizeof(command_line)); strlcat(command_line, " ", sizeof(command_line));
#endif #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 */ /* Save unparsed command line copy for /proc/cmdline */
strlcpy(boot_command_line, command_line, COMMAND_LINE_SIZE); strlcpy(boot_command_line, command_line, COMMAND_LINE_SIZE);