>>>>> "Baoyou" == Baoyou Xie <baoyou.xie@xxxxxxxxxx> writes: Baoyou> We get 1 warning about global functions without a declaration in Baoyou> the scsi ufshcd driver when building with W=1: Baoyou> drivers/scsi/ufs/ufshcd.c:1991:5: warning: no previous prototype Baoyou> for 'ufshcd_query_descriptor_retry' [-Wmissing-prototypes] Baoyou> in fact, this function is implemented in ufshcd.c and exported Baoyou> but need to be declared in header file. ufshcd_query_descriptor_retry doesn't appear to be used outside of ufshcd.c. -- Martin K. Petersen Oracle Linux Engineering -- 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