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.xie@xxxxxxxxxx> --- 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 -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html