disable pwm7

hc

2024-05-10 23fa18eaa71266feff7ba8d83022d9e1cc83c65a

 kernel/arch/s390/boot/als.c
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@@ -7,6 +7,7 @@
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 #include <asm/facility.h>
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 #include <asm/lowcore.h>
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 #include <asm/sclp.h>
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+#include "boot.h"
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 /*
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  * The code within this file will be called very early. It may _not_
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@@ -58,7 +59,7 @@
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 	*str = '\0';
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 }
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-static void print_missing_facilities(void)
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+void print_missing_facilities(void)
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 {
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 	static char als_str[80] = "Missing facilities: ";
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 	unsigned long val;
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@@ -90,7 +91,6 @@
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 	}
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 	strcat(als_str, "\n");
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 	sclp_early_printk(als_str);
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-	sclp_early_printk("See Principles of Operations for facility bits\n");
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 }
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 static void facility_mismatch(void)
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@@ -98,27 +98,15 @@
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 	sclp_early_printk("The Linux kernel requires more recent processor hardware\n");
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 	print_machine_type();
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 	print_missing_facilities();
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-	disabled_wait(0x8badcccc);
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+	sclp_early_printk("See Principles of Operations for facility bits\n");
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+	disabled_wait();
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 }
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 void verify_facilities(void)
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 {
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 	int i;
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-	for (i = 0; i < ARRAY_SIZE(S390_lowcore.stfle_fac_list); i++)
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-		S390_lowcore.stfle_fac_list[i] = 0;
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-	asm volatile(
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-		"	stfl	0(0)\n"
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-		: "=m" (S390_lowcore.stfl_fac_list));
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-	S390_lowcore.stfle_fac_list[0] = (u64)S390_lowcore.stfl_fac_list << 32;
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-	if (S390_lowcore.stfl_fac_list & 0x01000000) {
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-		register unsigned long reg0 asm("0") = ARRAY_SIZE(als) - 1;
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-
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-		asm volatile(".insn s,0xb2b00000,0(%1)" /* stfle */
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-			     : "+d" (reg0)
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-			     : "a" (&S390_lowcore.stfle_fac_list)
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-			     : "memory", "cc");
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-	}
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+	__stfle(S390_lowcore.stfle_fac_list, ARRAY_SIZE(S390_lowcore.stfle_fac_list));
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 	for (i = 0; i < ARRAY_SIZE(als); i++) {
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 		if ((S390_lowcore.stfle_fac_list[i] & als[i]) != als[i])
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 			facility_mismatch();