[PATCH 3.4 092/146] ahci: un-staticize ahci_dev_classify

[lizf]

From: Rob Herring <rob.herring@xxxxxxxxxxx>

3.4.109-rc1 review patch.  If anyone has any objections, please let me know.

------------------


commit bbb4ab43f82adf02c8b4d0d7e7b7e79d24204b05 upstream.

Make ahci_dev_classify available to the ahci platform driver for custom
hard reset function.

Signed-off-by: Rob Herring <rob.herring@xxxxxxxxxxx>
Signed-off-by: Jeff Garzik <jgarzik@xxxxxxxxxx>
Signed-off-by: Zefan Li <lizefan@xxxxxxxxxx>
---
 drivers/ata/ahci.h    | 1 +
 drivers/ata/libahci.c | 3 ++-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/ata/ahci.h b/drivers/ata/ahci.h
index c2594dd..57eb1c2 100644
--- a/drivers/ata/ahci.h
+++ b/drivers/ata/ahci.h
@@ -320,6 +320,7 @@ extern struct device_attribute *ahci_sdev_attrs[];
 extern struct ata_port_operations ahci_ops;
 extern struct ata_port_operations ahci_pmp_retry_srst_ops;
 
+unsigned int ahci_dev_classify(struct ata_port *ap);
 void ahci_fill_cmd_slot(struct ahci_port_priv *pp, unsigned int tag,
 			u32 opts);
 void ahci_save_initial_config(struct device *dev,
diff --git a/drivers/ata/libahci.c b/drivers/ata/libahci.c
index f091bfd..30cdba7 100644
--- a/drivers/ata/libahci.c
+++ b/drivers/ata/libahci.c
@@ -1139,7 +1139,7 @@ static void ahci_dev_config(struct ata_device *dev)
 	}
 }
 
-static unsigned int ahci_dev_classify(struct ata_port *ap)
+unsigned int ahci_dev_classify(struct ata_port *ap)
 {
 	void __iomem *port_mmio = ahci_port_base(ap);
 	struct ata_taskfile tf;
@@ -1153,6 +1153,7 @@ static unsigned int ahci_dev_classify(struct ata_port *ap)
 
 	return ata_dev_classify(&tf);
 }
+EXPORT_SYMBOL_GPL(ahci_dev_classify);
 
 void ahci_fill_cmd_slot(struct ahci_port_priv *pp, unsigned int tag,
 			u32 opts)
-- 
1.9.1

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