New kernel option nowait allows disabling the use of the wait instruction. (55d04dff) · Commits · e / devices / android_kernel_oneplus_sm8150

arch/mips/kernel/cpu-probe.c

+16 −0

Original line number	Diff line number	Diff line
		@@ -71,11 +71,27 @@ static void au1k_wait(void)
		: : "r" (au1k_wait));
		}

		static int __initdata nowait = 0;

		int __init wait_disable(char *s)
		{
		nowait = 1;

		return 1;
		}

		__setup("nowait", wait_disable);

		static inline void check_wait(void)
		{
		struct cpuinfo_mips *c = &current_cpu_data;

		printk("Checking for 'wait' instruction... ");
		if (nowait) {
		printk (" disabled.\n");
		return;
		}

		switch (c->cputype) {
		case CPU_R3081:
		case CPU_R3081E: