Commit ce8403d4 authored by Olof Johansson's avatar Olof Johansson

Merge tag 'tegra-for-4.19-firmware' of...

Merge tag 'tegra-for-4.19-firmware' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into next/soc

firmware: tegra: Changes for v4.19-rc1

This contains a single fix for the Trusted Foundations firmware
implementation, used on some Tegra20 and Tegra30 platforms.

* tag 'tegra-for-4.19-firmware' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
  ARM: trusted_foundations: do not use naked function
Signed-off-by: default avatarOlof Johansson <olof@lixom.net>
parents edc07c00 4ea7bdc6
......@@ -31,21 +31,25 @@
static unsigned long cpu_boot_addr;
static void __naked tf_generic_smc(u32 type, u32 arg1, u32 arg2)
static void tf_generic_smc(u32 type, u32 arg1, u32 arg2)
{
register u32 r0 asm("r0") = type;
register u32 r1 asm("r1") = arg1;
register u32 r2 asm("r2") = arg2;
asm volatile(
".arch_extension sec\n\t"
"stmfd sp!, {r4 - r11, lr}\n\t"
"stmfd sp!, {r4 - r11}\n\t"
__asmeq("%0", "r0")
__asmeq("%1", "r1")
__asmeq("%2", "r2")
"mov r3, #0\n\t"
"mov r4, #0\n\t"
"smc #0\n\t"
"ldmfd sp!, {r4 - r11, pc}"
"ldmfd sp!, {r4 - r11}\n\t"
:
: "r" (type), "r" (arg1), "r" (arg2)
: "memory");
: "r" (r0), "r" (r1), "r" (r2)
: "memory", "r3", "r12", "lr");
}
static int tf_set_cpu_boot_addr(int cpu, unsigned long boot_addr)
......
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