We get 10 warnings when building kernel with W=1:
drivers/scsi/megaraid/megaraid_sas_base.c:213:21: warning: no previous
prototype for 'megasas_get_cmd' [-Wmissing-prototypes]
drivers/scsi/megaraid/megaraid_sas_base.c:239:1: warning: no previous
declaration for 'megasas_return_cmd' [-Wmissing-declarations]
drivers/scsi/megaraid/megaraid_sas_base.c:985:1: warning: no previous prototype
for 'megasas_issue_polled' [-Wmissing-prototypes]
drivers/scsi/megaraid/megaraid_sas_base.c:1923:6: warning: no previous
prototype for 'megaraid_sas_kill_hba' [-Wmissing-prototypes]
drivers/scsi/megaraid/megaraid_sas_base.c:1952:1: warning: no previous
prototype for 'megasas_check_and_restore_queue_depth' [-Wmissing-prototypes]
drivers/scsi/megaraid/megaraid_sas_base.c:2030:6: warning: no previous
prototype for 'megasas_start_timer' [-Wmissing-prototypes]
drivers/scsi/megaraid/megaraid_sas_base.c:2353:5: warning: no previous
prototype for 'megasas_sriov_start_heartbeat' [-Wmissing-prototypes]
drivers/scsi/megaraid/megaraid_sas_base.c:2423:6: warning: no previous
prototype for 'megasas_sriov_heartbeat_handler' [-Wmissing-prototypes]
drivers/scsi/megaraid/megaraid_sas_base.c:3865:6: warning: no previous
prototype for 'megasas_free_cmds' [-Wmissing-prototypes]
drivers/scsi/megaraid/megaraid_sas_base.c:3902:5: warning: no previous
prototype for 'megasas_alloc_cmds' [-Wmissing-prototypes]
In fact, these functions are declared in
drivers/scsi/megaraid/megaraid_sas_fusion.c, but should be
declared in a header file. thus can be recognized in other file.
So this patch moves the declarations into
drivers/scsi/megaraid/megaraid_sas.h.
Signed-off-by: Baoyou Xie <baoyou....@linaro.org>
---
drivers/scsi/megaraid/megaraid_sas.h | 19 +++++++++++++++++++
drivers/scsi/megaraid/megaraid_sas_fusion.c | 20 --------------------
2 files changed, 19 insertions(+), 20 deletions(-)
diff --git a/drivers/scsi/megaraid/megaraid_sas.h
b/drivers/scsi/megaraid/megaraid_sas.h
index ca86c88..d4664ff 100644
--- a/drivers/scsi/megaraid/megaraid_sas.h
+++ b/drivers/scsi/megaraid/megaraid_sas.h
@@ -2380,4 +2380,23 @@ void megasas_update_sdev_properties(struct scsi_device
*sdev);
int megasas_reset_fusion(struct Scsi_Host *shost, int reason);
int megasas_task_abort_fusion(struct scsi_cmnd *scmd);
int megasas_reset_target_fusion(struct scsi_cmnd *scmd);
+
+struct megasas_cmd *megasas_get_cmd(struct megasas_instance *instance);
+void
+megasas_return_cmd(struct megasas_instance *instance, struct megasas_cmd *cmd);
+int
+megasas_issue_polled(struct megasas_instance *instance,
+ struct megasas_cmd *cmd);
+void megaraid_sas_kill_hba(struct megasas_instance *instance);
+void
+megasas_check_and_restore_queue_depth(struct megasas_instance *instance);
+void megasas_start_timer(struct megasas_instance *instance,
+ struct timer_list *timer,
+ void *fn, unsigned long interval);
+int
+megasas_sriov_start_heartbeat(struct megasas_instance *instance, int initial);
+void megasas_sriov_heartbeat_handler(unsigned long instance_addr);
+void megasas_free_cmds(struct megasas_instance *instance);
+int megasas_alloc_cmds(struct megasas_instance *instance);
+
#endif /*LSI_MEGARAID_SAS_H */
diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.c
b/drivers/scsi/megaraid/megaraid_sas_fusion.c
index 730b525..e562482 100644
--- a/drivers/scsi/megaraid/megaraid_sas_fusion.c
+++ b/drivers/scsi/megaraid/megaraid_sas_fusion.c
@@ -59,37 +59,17 @@
#include "megaraid_sas.h"
-extern void megasas_free_cmds(struct megasas_instance *instance);
-extern struct megasas_cmd *megasas_get_cmd(struct megasas_instance
- *instance);
extern void
megasas_complete_cmd(struct megasas_instance *instance,
struct megasas_cmd *cmd, u8 alt_status);
int
wait_and_poll(struct megasas_instance *instance, struct megasas_cmd *cmd,
int seconds);
-
-void
-megasas_return_cmd(struct megasas_instance *instance, struct megasas_cmd *cmd);
-int megasas_alloc_cmds(struct megasas_instance *instance);
int
megasas_clear_intr_fusion(struct megasas_register_set __iomem *regs);
-int
-megasas_issue_polled(struct megasas_instance *instance,
- struct megasas_cmd *cmd);
-void
-megasas_check_and_restore_queue_depth(struct megasas_instance *instance);
-
int megasas_transition_to_ready(struct megasas_instance *instance, int ocr);
-void megaraid_sas_kill_hba(struct megasas_instance *instance);
extern u32 megasas_dbg_lvl;
-void megasas_sriov_heartbeat_handler(unsigned long instance_addr);
-int megasas_sriov_start_heartbeat(struct megasas_instance *instance,
- int initial);
-void megasas_start_timer(struct megasas_instance *instance,
- struct timer_list *timer,
- void *fn, unsigned long interval);
extern struct megasas_mgmt_info megasas_mgmt_info;
extern unsigned int resetwaittime;
extern unsigned int dual_qdepth_disable;
--
2.7.4
--
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