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Subject[PATCH] acpi/sbshc: Add header file macro definition
Date
Add header file macro definition.

Signed-off-by: Li zeming <zeming@nfschina.com>
---
drivers/acpi/sbshc.h | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/drivers/acpi/sbshc.h b/drivers/acpi/sbshc.h
index 695c390e2884..22b11a1655d2 100644
--- a/drivers/acpi/sbshc.h
+++ b/drivers/acpi/sbshc.h
@@ -1,4 +1,7 @@
/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _SBSHC_H
+#define _SBSHC_H
+
struct acpi_smb_hc;
enum acpi_smb_protocol {
SMBUS_WRITE_QUICK = 2,
@@ -30,3 +33,4 @@ extern int acpi_smbus_write(struct acpi_smb_hc *hc, u8 protocol, u8 slave_addres
extern int acpi_smbus_register_callback(struct acpi_smb_hc *hc,
smbus_alarm_callback callback, void *context);
extern int acpi_smbus_unregister_callback(struct acpi_smb_hc *hc);
+#endif
--
2.18.2
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