[PATCH v4 10/20] hexagon: Convert to GENERIC_CMDLINE

[Christophe Leroy <christophe.leroy@csgroup.eu>]

This converts the architecture to GENERIC_CMDLINE.

Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
---
 arch/hexagon/Kconfig        | 11 +----------
 arch/hexagon/kernel/setup.c | 10 ++--------
 2 files changed, 3 insertions(+), 18 deletions(-)

diff --git a/arch/hexagon/Kconfig b/arch/hexagon/Kconfig
index 44a409967af1..1e69c99bae6b 100644
--- a/arch/hexagon/Kconfig
+++ b/arch/hexagon/Kconfig
@@ -18,6 +18,7 @@ config HEXAGON
 	select HAVE_PERF_EVENTS
 	# GENERIC_ALLOCATOR is used by dma_alloc_coherent()
 	select GENERIC_ALLOCATOR
+	select GENERIC_CMDLINE
 	select GENERIC_IRQ_SHOW
 	select HAVE_ARCH_KGDB
 	select HAVE_ARCH_TRACEHOOK
@@ -91,16 +92,6 @@ config HEXAGON_ARCH_VERSION
 	int "Architecture version"
 	default 2
 
-config CMDLINE
-	string "Default kernel command string"
-	default ""
-	help
-	  On some platforms, there is currently no way for the boot loader
-	  to pass arguments to the kernel. For these, you should supply some
-	  command-line options at build time by entering them here.  At a
-	  minimum, you should specify the memory size and the root device
-	  (e.g., mem=64M root=/dev/nfs).
-
 config SMP
 	bool "Multi-Processing support"
 	help
diff --git a/arch/hexagon/kernel/setup.c b/arch/hexagon/kernel/setup.c
index 1880d9beaf2b..78641ce219e2 100644
--- a/arch/hexagon/kernel/setup.c
+++ b/arch/hexagon/kernel/setup.c
@@ -13,6 +13,7 @@
 #include <linux/seq_file.h>
 #include <linux/console.h>
 #include <linux/of_fdt.h>
+#include <linux/cmdline.h>
 #include <asm/io.h>
 #include <asm/sections.h>
 #include <asm/setup.h>
@@ -22,7 +23,6 @@
 #include <asm/time.h>
 
 char cmd_line[COMMAND_LINE_SIZE];
-static char default_command_line[COMMAND_LINE_SIZE] __initdata = CONFIG_CMDLINE;
 
 int on_simulator;
 
@@ -38,8 +38,6 @@ void calibrate_delay(void)
 
 void __init setup_arch(char **cmdline_p)
 {
-	char *p = &external_cmdline_buffer;
-
 	/*
 	 * These will eventually be pulled in via either some hypervisor
 	 * or devicetree description.  Hardwiring for now.
@@ -65,11 +63,7 @@ void __init setup_arch(char **cmdline_p)
 	else
 		on_simulator = 0;
 
-	if (p[0] != '\0')
-		strlcpy(boot_command_line, p, COMMAND_LINE_SIZE);
-	else
-		strlcpy(boot_command_line, default_command_line,
-			COMMAND_LINE_SIZE);
+	cmdline_build(boot_command_line, external_cmdline_buffer);
 
 	/*
 	 * boot_command_line and the value set up by setup_arch
-- 
2.25.0