linux-kernel - [PATCH 05/12] ahci: Factor out PCI specifics from ahci_reset

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Date:	Tue, 2 Mar 2010 21:29:33 +0300
From:	Anton Vorontsov <avorontsov@...mvista.com>
To:	Jeff Garzik <jgarzik@...hat.com>
Cc:	linux-ide@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 05/12] ahci: Factor out PCI specifics from
 ahci_reset_controller()

Move PCI stuff into ahci_pci_reset_controller().

Signed-off-by: Anton Vorontsov <avorontsov@...mvista.com>
---
 drivers/ata/ahci.c |   15 ++++++++++++---
 1 files changed, 12 insertions(+), 3 deletions(-)

diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index acfdcb5..c46a064 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -1318,7 +1318,6 @@ static int ahci_deinit_port(struct ata_port *ap, const char **emsg)
 
 static int ahci_reset_controller(struct ata_host *host)
 {
-	struct pci_dev *pdev = to_pci_dev(host->dev);
 	struct ahci_host_priv *hpriv = host->private_data;
 	void __iomem *mmio = hpriv->mmio;
 	u32 tmp;
@@ -1362,7 +1361,17 @@ static int ahci_reset_controller(struct ata_host *host)
 		dev_printk(KERN_INFO, host->dev,
 			   "skipping global host reset\n");
 
+	return 0;
+}
+
+static int ahci_pci_reset_controller(struct ata_host *host)
+{
+	struct pci_dev *pdev = to_pci_dev(host->dev);
+
+	ahci_reset_controller(host);
+
 	if (pdev->vendor == PCI_VENDOR_ID_INTEL) {
+		struct ahci_host_priv *hpriv = host->private_data;
 		u16 tmp16;
 
 		/* configure PCS */
@@ -2499,7 +2508,7 @@ static int ahci_pci_device_resume(struct pci_dev *pdev)
 		return rc;
 
 	if (pdev->dev.power.power_state.event == PM_EVENT_SUSPEND) {
-		rc = ahci_reset_controller(host);
+		rc = ahci_pci_reset_controller(host);
 		if (rc)
 			return rc;
 
@@ -3207,7 +3216,7 @@ static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 	if (rc)
 		return rc;
 
-	rc = ahci_reset_controller(host);
+	rc = ahci_pci_reset_controller(host);
 	if (rc)
 		return rc;
 
-- 
1.7.0

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