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openrisc: use boot_command_line instead of private cmd_line

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Save some pointless copying of the kernel command line and just use
boot_command_line instead. The DT code already handles CONFIG_CMDLINE,
so a separate copy is not needed.

Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Cc: Jonas Bonn <jonas@southpole.se>
Cc: linux@lists.openrisc.net
Reviewed-by: Grant Likely <grant.likely@linaro.org>
This commit is contained in:
Rob Herring 2013-08-26 11:28:50 -05:00
parent 312717f15a
commit bbf28b505a
2 changed files with 2 additions and 9 deletions
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7
arch/openrisc/kernel/prom.c
View File

@ -47,8 +47,6 @@
#include <asm/sections.h>
#include <asm/setup.h>
extern char cmd_line[COMMAND_LINE_SIZE];
void __init early_init_dt_add_memory_arch(u64 base, u64 size)
{
size &= PAGE_MASK;
@ -67,15 +65,12 @@ void __init early_init_devtree(void *params)
* device-tree, including the platform type, initrd location and
* size, TCE reserve, and more ...
*/
of_scan_flat_dt(early_init_dt_scan_chosen, cmd_line);
of_scan_flat_dt(early_init_dt_scan_chosen, boot_command_line);
/* Scan memory nodes and rebuild MEMBLOCKs */
of_scan_flat_dt(early_init_dt_scan_root, NULL);
of_scan_flat_dt(early_init_dt_scan_memory, NULL);
/* Save command line for /proc/cmdline and then parse parameters */
strlcpy(boot_command_line, cmd_line, COMMAND_LINE_SIZE);
memblock_allow_resize();
/* We must copy the flattend device tree from init memory to regular

4
arch/openrisc/kernel/setup.c
View File

@ -50,8 +50,6 @@
#include "vmlinux.h"
char __initdata cmd_line[COMMAND_LINE_SIZE] = CONFIG_CMDLINE;
static unsigned long __init setup_memory(void)
{
unsigned long bootmap_size;
@ -316,7 +314,7 @@ void __init setup_arch(char **cmdline_p)
conswitchp = &dummy_con;
#endif
*cmdline_p = cmd_line;
*cmdline_p = boot_command_line;
printk(KERN_INFO "OpenRISC Linux -- http://openrisc.net\n");
}