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watchdog/hpwdt: Include nmi.h only if CONFIG_HPWDT_NMI_DECODING

Fixes: d48b0e173715 ("x86, nmi, drivers: Fix nmi splitup build bug")

Arm64 does not support NMI and has no <asm/nmi.h>.

Include <asm/nmi.h> only if CONFIG_HPWDT_NMI_DECODING is defined to
avoid build failure on non-existent header file on Arm64.

Signed-off-by: Jerry Hoemann <jerry.hoemann@hpe.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20220820202821.1263837-2-jerry.hoemann@hpe.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>

authored by

Jerry Hoemann and committed by
Wim Van Sebroeck ed835d81 926e0992

+2
+2
drivers/watchdog/hpwdt.c
··· 20 20 #include <linux/pci_ids.h> 21 21 #include <linux/types.h> 22 22 #include <linux/watchdog.h> 23 + #ifdef CONFIG_HPWDT_NMI_DECODING 23 24 #include <asm/nmi.h> 25 + #endif 24 26 #include <linux/crash_dump.h> 25 27 26 28 #define HPWDT_VERSION "2.0.4"