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ARM: fix LTO for imx28_xea

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When imx28_xea_defconfig is built with LTO, the compiler complains about
the two different declarations of _start:
   include/asm-generic/sections.h    as  extern void _start(void);
   arch/arm/cpu/arm926ejs/mxs/mxs.c  as  extern uint32_t _start;

Fix this.

Signed-off-by: Marek Behún <marek.behun@nic.cz>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
This commit is contained in:
Marek Behún 2021-05-20 13:24:12 +02:00 committed by Tom Rini
parent e5fc9037dd
commit b83120df79
2 changed files with 2 additions and 2 deletions
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2
arch/arm/cpu/arm926ejs/mxs/mxs.c
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@ -25,6 +25,7 @@
#include <asm/arch/iomux.h>
#include <asm/arch/imx-regs.h>
#include <asm/arch/sys_proto.h>
#include <asm/sections.h>
#include <linux/compiler.h>
DECLARE_GLOBAL_DATA_PTR;
@ -98,7 +99,6 @@ int arch_cpu_init(void)
{
struct mxs_clkctrl_regs *clkctrl_regs =
(struct mxs_clkctrl_regs *)MXS_CLKCTRL_BASE;
extern uint32_t _start;
mx28_fixup_vt((uint32_t)&_start);

2
arch/arm/cpu/arm926ejs/mxs/spl_boot.c
View file

@ -16,6 +16,7 @@
#include <asm/arch/imx-regs.h>
#include <asm/arch/sys_proto.h>
#include <asm/gpio.h>
#include <asm/sections.h>
#include <linux/compiler.h>
#include "mxs_init.h"
@ -100,7 +101,6 @@ static void mxs_spl_fixup_vectors(void)
* thus this fixup. Our vectoring table is PIC, so copying is
* fine.
*/
extern uint32_t _start;
/* cppcheck-suppress nullPointer */
memcpy(0x0, &_start, 0x60);