omap_rev_string: output to stdout

* avoid potential buffer overflows
* allow SPL-build not to output "Texas Instruments Revision detection unimplemented"

Signed-off-by: Andreas Müller <schnitzeltony@gmx.de>
Signed-off-by: Tom Rini <trini@ti.com>

2 files changed, 8 insertions, 14 deletions

diff --git a/arch/arm/cpu/armv7/omap-common/hwinit-common.c b/arch/arm/cpu/armv7/omap-common/hwinit-common.c
index da22f7316..49cdc3936 100644
--- a/arch/arm/cpu/armv7/omap-common/hwinit-common.c
+++ b/arch/arm/cpu/armv7/omap-common/hwinit-common.c
@@ -76,14 +76,14 @@ u32 cortex_rev(void)
 	return rev;
 }
 
-void omap_rev_string(char *omap_rev_string)
+void omap_rev_string(void)
 {
 	u32 omap_rev = omap_revision();
 	u32 omap_variant = (omap_rev & 0xFFFF0000) >> 16;
 	u32 major_rev = (omap_rev & 0x00000F00) >> 8;
 	u32 minor_rev = (omap_rev & 0x000000F0) >> 4;
 
-	sprintf(omap_rev_string, "OMAP%x ES%x.%x", omap_variant, major_rev,
+	printf("OMAP%x ES%x.%x\n", omap_variant, major_rev,
 		minor_rev);
 }
 
@@ -223,10 +223,8 @@ u32 get_device_type(void)
  */
 int print_cpuinfo(void)
 {
-	char rev_string_buffer[50];
-
-	omap_rev_string(rev_string_buffer);
-	printf("CPU  : %s\n", rev_string_buffer);
+	puts("CPU  : ");
+	omap_rev_string();
 
 	return 0;
 }
diff --git a/arch/arm/cpu/armv7/omap-common/spl.c b/arch/arm/cpu/armv7/omap-common/spl.c
index 74fea4fa5..9c1f7e3ed 100644
--- a/arch/arm/cpu/armv7/omap-common/spl.c
+++ b/arch/arm/cpu/armv7/omap-common/spl.c
@@ -35,6 +35,7 @@
 #include <i2c.h>
 #include <image.h>
 #include <malloc.h>
+#include <linux/compiler.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
@@ -154,7 +155,6 @@ void board_init_r(gd_t *id, ulong dummy)
 void preloader_console_init(void)
 {
 	const char *u_boot_rev = U_BOOT_VERSION;
-	char rev_string_buffer[50];
 
 	gd = &gdata;
 	gd->bd = &bdata;
@@ -170,14 +170,10 @@ void preloader_console_init(void)
 
 	printf("\nU-Boot SPL %s (%s - %s)\n", u_boot_rev, U_BOOT_DATE,
 		U_BOOT_TIME);
-	omap_rev_string(rev_string_buffer);
-	printf("Texas Instruments %s\n", rev_string_buffer);
+	omap_rev_string();
 }
 
-void __omap_rev_string(char *str)
+void __weak omap_rev_string()
 {
-	sprintf(str, "Revision detection unimplemented");
+	printf("Texas Instruments Revision detection unimplemented\n");
 }
-
-void omap_rev_string(char *str)
-	__attribute__((weak, alias("__omap_rev_string")));