[PATCH] drivers: firmware: Move prototype declartions to header filecper.h

[Rashika Kheria]

Move prototype declarations of function cper_estatus_print(),
cper_estatus_check_header() and cper_estatus_check() from file
drivers/acpi/apei/apei-internal.h to header file include/linux/cper.h
because these functions are used by both acpi driver and firmware
driver.
The header file include/linux/cper.h was chosen because it is included
in both the drivers.

This eliminates the following warnings in efi/cper.c:
drivers/firmware/efi/cper.c:346:6: warning: no previous prototype for âcper_estatus_printâ [-Wmissing-prototypes]
drivers/firmware/efi/cper.c:374:5: warning: no previous prototype for âcper_estatus_check_headerâ [-Wmissing-prototypes]
drivers/firmware/efi/cper.c:387:5: warning: no previous prototype for âcper_estatus_checkâ [-Wmissing-prototypes]

Signed-off-by: Rashika Kheria <rashika.kheria@xxxxxxxxx>
Reviewed-by: Josh Triplett <josh@xxxxxxxxxxxxxxxx>
---
 drivers/acpi/apei/apei-internal.h |    5 -----
 include/linux/cper.h              |    8 ++++++++
 2 files changed, 8 insertions(+), 5 deletions(-)

diff --git a/drivers/acpi/apei/apei-internal.h b/drivers/acpi/apei/apei-internal.h
index 21ba34a..4ae847d 100644
--- a/drivers/acpi/apei/apei-internal.h
+++ b/drivers/acpi/apei/apei-internal.h
@@ -135,10 +135,5 @@ static inline u32 cper_estatus_len(struct acpi_generic_status *estatus)
 		return sizeof(*estatus) + estatus->data_length;
 }
 
-void cper_estatus_print(const char *pfx,
-			const struct acpi_generic_status *estatus);
-int cper_estatus_check_header(const struct acpi_generic_status *estatus);
-int cper_estatus_check(const struct acpi_generic_status *estatus);
-
 int apei_osc_setup(void);
 #endif
diff --git a/include/linux/cper.h b/include/linux/cper.h
index 2fc0ec3..080f5f7 100644
--- a/include/linux/cper.h
+++ b/include/linux/cper.h
@@ -22,6 +22,14 @@
 #define LINUX_CPER_H
 
 #include <linux/uuid.h>
+#include <linux/acpi.h>
+
+/* Prototype declaration of functions common between acpi and firmware driver*/
+void cper_estatus_print(const char *pfx,
+		        const struct acpi_generic_status *estatus);
+int cper_estatus_check_header(const struct acpi_generic_status *estatus);
+int cper_estatus_check(const struct acpi_generic_status *estatus);
+
 
 /* CPER record signature and the size */
 #define CPER_SIG_RECORD				"CPER"
-- 
1.7.9.5

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