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ARM: fix LTO for imx28_xea
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>
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@ -25,6 +25,7 @@
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#include <asm/arch/iomux.h>
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#include <asm/arch/iomux.h>
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#include <asm/arch/imx-regs.h>
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#include <asm/arch/imx-regs.h>
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#include <asm/arch/sys_proto.h>
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#include <asm/arch/sys_proto.h>
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#include <asm/sections.h>
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#include <linux/compiler.h>
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#include <linux/compiler.h>
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DECLARE_GLOBAL_DATA_PTR;
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DECLARE_GLOBAL_DATA_PTR;
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@ -98,7 +99,6 @@ int arch_cpu_init(void)
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{
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{
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struct mxs_clkctrl_regs *clkctrl_regs =
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struct mxs_clkctrl_regs *clkctrl_regs =
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(struct mxs_clkctrl_regs *)MXS_CLKCTRL_BASE;
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(struct mxs_clkctrl_regs *)MXS_CLKCTRL_BASE;
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extern uint32_t _start;
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mx28_fixup_vt((uint32_t)&_start);
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mx28_fixup_vt((uint32_t)&_start);
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@ -16,6 +16,7 @@
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#include <asm/arch/imx-regs.h>
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#include <asm/arch/imx-regs.h>
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#include <asm/arch/sys_proto.h>
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#include <asm/arch/sys_proto.h>
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#include <asm/gpio.h>
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#include <asm/gpio.h>
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#include <asm/sections.h>
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#include <linux/compiler.h>
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#include <linux/compiler.h>
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#include "mxs_init.h"
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#include "mxs_init.h"
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@ -100,7 +101,6 @@ static void mxs_spl_fixup_vectors(void)
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* thus this fixup. Our vectoring table is PIC, so copying is
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* thus this fixup. Our vectoring table is PIC, so copying is
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* fine.
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* fine.
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*/
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*/
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extern uint32_t _start;
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/* cppcheck-suppress nullPointer */
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/* cppcheck-suppress nullPointer */
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memcpy(0x0, &_start, 0x60);
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memcpy(0x0, &_start, 0x60);
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