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libsas: export sas_find_local_phy function

PATCH In review James Bottomley 1 participant 1 message Feb 24, 2008

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James Bottomley

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#0 lore raw

PATCH 1/5 libsas: export sas_find_local_phy function

This is needed by the to be added I_T reset function in aic94xx. It needs to know the local phy so it can send a link or hard reset along the path.

Signed-off-by James Bottomley <[email protected]>
---
 drivers/scsi/libsas/sas_scsi_host.c |    5 +++--
 include/scsi/libsas.h               |    1 +
 2 files changed, 4 insertions(+), 2 deletions(-)
drivers/scsi/libsas/sas_scsi_host.c +3 -2
index 704ea06..f3706f4 100644
@@ -434,7 +434,7 @@ static int sas_recover_I_T(struct domain_device *dev)
 }
 
 /* Find the sas_phy that's attached to this device */
-static struct sas_phy *find_local_sas_phy(struct domain_device *dev)
+struct sas_phy *sas_find_local_phy(struct domain_device *dev)
 {
 	struct domain_device *pdev = dev->parent;
 	struct ex_phy *exphy = NULL;

@@ -456,6 +456,7 @@ static struct sas_phy *find_local_sas_phy(struct domain_device *dev)
 	BUG_ON(!exphy);
 	return exphy->phy;
 }
+EXPORT_SYMBOL_GPL(sas_find_local_phy);
 
 /* Attempt to send a LUN reset message to a device */
 int sas_eh_device_reset_handler(struct scsi_cmnd *cmd)

@@ -482,7 +483,7 @@ int sas_eh_device_reset_handler(struct scsi_cmnd *cmd)
 int sas_eh_bus_reset_handler(struct scsi_cmnd *cmd)
 {
 	struct domain_device *dev = cmd_to_domain_dev(cmd);
-	struct sas_phy *phy = find_local_sas_phy(dev);
+	struct sas_phy *phy = sas_find_local_phy(dev);
 	int res;
 
 	res = sas_phy_reset(phy, 1);
include/scsi/libsas.h +1 -0
index 3ffd6b5..39e1cac 100644
@@ -675,5 +675,6 @@ extern int sas_smp_handler(struct Scsi_Host *shost, struct sas_rphy *rphy,
 
 extern void sas_ssp_task_response(struct device *dev, struct sas_task *task,
 				  struct ssp_response_iu *iu);
+struct sas_phy *sas_find_local_phy(struct domain_device *dev);
 
 #endif /* _SASLIB_H_ */
Signature · 1 line
1.5.4.1