arch/arm/mach-tango/smc.S - LeafOS-Devices/android_kernel_samsung_exynos9820 - Gitiles

 /* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/linkage.h>

 ENTRY(tango_smc)
 	push	{lr}
 	mov	ip, r1
 	dsb	/* This barrier is probably unnecessary */
 	smc	#0
 	pop	{pc}
 ENDPROC(tango_smc)
	/* SPDX-License-Identifier: GPL-2.0 */
	#include <linux/linkage.h>

	ENTRY(tango_smc)
	push {lr}
	mov ip, r1
	dsb /* This barrier is probably unnecessary */
	smc #0
	pop {pc}
	ENDPROC(tango_smc)