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powerpc: remove CONFIG_CMDLINE #ifdef mess 

This patch makes CONFIG_CMDLINE defined at all time. It avoids
having to enclose related code inside #ifdef CONFIG_CMDLINE

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Christophe Leroy 2019-04-26 16:23:27 +00:00 committed by Michael Ellerman
parent 26deb04342
commit cbe46bd4f5
2 changed files with 6 additions and 9 deletions
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6
arch/powerpc/Kconfig
View File

@ -831,9 +831,9 @@ config CMDLINE_BOOL
bool "Default bootloader kernel arguments"
config CMDLINE
string "Initial kernel command string"
depends on CMDLINE_BOOL
default "console=ttyS0,9600 console=tty0 root=/dev/sda2"
string "Initial kernel command string" if CMDLINE_BOOL
default "console=ttyS0,9600 console=tty0 root=/dev/sda2" if CMDLINE_BOOL
default ""
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

9
arch/powerpc/kernel/prom_init.c
View File

@ -631,17 +631,14 @@ static void __init early_cmdline_parse(void)
const char *opt;
char *p;
int l __maybe_unused = 0;
int l = 0;
prom_cmd_line[0] = 0;
p = prom_cmd_line;
if ((long)prom.chosen > 0)
l = prom_getprop(prom.chosen, "bootargs", p, COMMAND_LINE_SIZE-1);
#ifdef CONFIG_CMDLINE
if (l <= 0 || p[0] == '\0') /* dbl check */
strlcpy(prom_cmd_line,
CONFIG_CMDLINE, sizeof(prom_cmd_line));
#endif /* CONFIG_CMDLINE */
if (IS_ENABLED(CONFIG_CMDLINE_BOOL) && (l <= 0 || p[0] == '\0')) /* dbl check */
strlcpy(prom_cmd_line, CONFIG_CMDLINE, sizeof(prom_cmd_line));
prom_printf("command line: %s\n", prom_cmd_line);
#ifdef CONFIG_PPC64