Re: [PATCH v2 1/2] watchdog/hpwdt: Include nmi.h only if CONFIG_HPWDT_NMI_DECODING

From: Guenter Roeck
Date: Mon Aug 29 2022 - 12:15:33 EST


On 8/20/22 13:28, Jerry Hoemann wrote:
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@xxxxxxx>

Reviewed-by: Guenter Roeck <linux@xxxxxxxxxxxx>

---
drivers/watchdog/hpwdt.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/drivers/watchdog/hpwdt.c b/drivers/watchdog/hpwdt.c
index a5006a58e0db..f79f932bca14 100644
--- a/drivers/watchdog/hpwdt.c
+++ b/drivers/watchdog/hpwdt.c
@@ -20,7 +20,9 @@
#include <linux/pci_ids.h>
#include <linux/types.h>
#include <linux/watchdog.h>
+#ifdef CONFIG_HPWDT_NMI_DECODING
#include <asm/nmi.h>
+#endif
#include <linux/crash_dump.h>
#define HPWDT_VERSION "2.0.4"