scsi: libsas: Declare sas_set_phy_speed() static

sas_set_phy_speed() is used only within sas_init.c. Declare this function
as static.

Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
Link: https://lore.kernel.org/r/20230912230551.454357-3-dlemoal@kernel.org
Reviewed-by: John Garry <john.g.garry@oracle.com>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

Author: damien-lemoal

drivers/scsi/libsas/sas_init.c

@@ -315,8 +315,8 @@ int sas_phy_reset(struct sas_phy *phy, int hard_reset)
 }
 EXPORT_SYMBOL_GPL(sas_phy_reset);
 
-int sas_set_phy_speed(struct sas_phy *phy,
-		      struct sas_phy_linkrates *rates)
+static int sas_set_phy_speed(struct sas_phy *phy,
+			     struct sas_phy_linkrates *rates)
 {
 	int ret;
 

include/scsi/libsas.h

@@ -679,7 +679,6 @@ extern void sas_resume_ha(struct sas_ha_struct *sas_ha);
 extern void sas_resume_ha_no_sync(struct sas_ha_struct *sas_ha);
 extern void sas_suspend_ha(struct sas_ha_struct *sas_ha);
 
-int sas_set_phy_speed(struct sas_phy *phy, struct sas_phy_linkrates *rates);
 int sas_phy_reset(struct sas_phy *phy, int hard_reset);
 int sas_phy_enable(struct sas_phy *phy, int enable);
 extern int sas_queuecommand(struct Scsi_Host *, struct scsi_cmnd *);