ARM: tegra: Use I/O memcpy to write to IRAM

Kasan crashes the kernel trying to check boundaries when using the
normal memcpy.

Signed-off-by: Aaron Kling <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Thierry Reding <[email protected]>

Author: webgeek1234

arch/arm/mach-tegra/reset.c

@@ -63,7 +63,7 @@ static void __init tegra_cpu_reset_handler_enable(void)
 	BUG_ON(is_enabled);
 	BUG_ON(tegra_cpu_reset_handler_size > TEGRA_IRAM_RESET_HANDLER_SIZE);
 
-	memcpy(iram_base, (void *)__tegra_cpu_reset_handler_start,
+	memcpy_toio(iram_base, (void *)__tegra_cpu_reset_handler_start,
 			tegra_cpu_reset_handler_size);
 
 	err = call_firmware_op(set_cpu_boot_addr, 0, reset_address);