Re: [PATCH] sata_fsl: Add power mgmt support

[Jeff Garzik]

Kumar Gala wrote:

From: Dave Liu 

Signed-off-by: Dave Liu 
Signed-off-by: Liu Yu 
Signed-off-by: Kumar Gala 
---
 drivers/ata/sata_fsl.c |   35 +++
 1 files changed, 35 insertions(+), 0 deletions(-)


applied


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Re: [PATCH] sata_fsl: Add power mgmt support

[Sergei Shtylyov]

Hello.

Kumar Gala wrote:


From: Dave Liu 

Signed-off-by: Dave Liu 
Signed-off-by: Liu Yu 
Signed-off-by: Kumar Gala 
---
 drivers/ata/sata_fsl.c |   35 +++
 1 files changed, 35 insertions(+), 0 deletions(-)

diff --git a/drivers/ata/sata_fsl.c b/drivers/ata/sata_fsl.c
index 36b8629..94eaa43 100644
--- a/drivers/ata/sata_fsl.c
+++ b/drivers/ata/sata_fsl.c
@@ -1378,6 +1378,37 @@ static int sata_fsl_remove(struct of_device *ofdev)
return 0;
 }
 
+#ifdef CONFIG_PM

+static int sata_fsl_suspend(struct of_device *op, pm_message_t state)
+{
+   struct ata_host *host = dev_get_drvdata(&op->dev);
+   return ata_host_suspend(host, state);
+}
+
+static int sata_fsl_resume(struct of_device *op)
+{
+   struct ata_host *host = dev_get_drvdata(&op->dev);
+   struct sata_fsl_host_priv *host_priv = host->private_data;
+   int ret;
+   void __iomem *hcr_base = host_priv->hcr_base;
+   struct ata_port *ap = host->ports[0];
+   struct sata_fsl_port_priv *pp = ap->private_data;
+
+   ret = sata_fsl_init_controller(host);
+   if (ret) {
+   dev_printk(KERN_ERR, &op->dev,
+   "Error initialize hardware\n");
  


  May be "initializing"?


+   return ret;
+   }
+
+   /* Recovery the CHBA register in host controller cmd register set */
  


  Maybe "Recover"?


+   iowrite32(pp->cmdslot_paddr & 0x, hcr_base + CHBA);
+
+   ata_host_resume(host);
+   return 0;
+}
+#endif
  


MBR, Sergei


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[PATCH] sata_fsl: Add power mgmt support

[Kumar Gala]

From: Dave Liu 

Signed-off-by: Dave Liu 
Signed-off-by: Liu Yu 
Signed-off-by: Kumar Gala 
---
 drivers/ata/sata_fsl.c |   35 +++
 1 files changed, 35 insertions(+), 0 deletions(-)

diff --git a/drivers/ata/sata_fsl.c b/drivers/ata/sata_fsl.c
index 36b8629..94eaa43 100644
--- a/drivers/ata/sata_fsl.c
+++ b/drivers/ata/sata_fsl.c
@@ -1378,6 +1378,37 @@ static int sata_fsl_remove(struct of_device *ofdev)
return 0;
 }
 
+#ifdef CONFIG_PM
+static int sata_fsl_suspend(struct of_device *op, pm_message_t state)
+{
+   struct ata_host *host = dev_get_drvdata(&op->dev);
+   return ata_host_suspend(host, state);
+}
+
+static int sata_fsl_resume(struct of_device *op)
+{
+   struct ata_host *host = dev_get_drvdata(&op->dev);
+   struct sata_fsl_host_priv *host_priv = host->private_data;
+   int ret;
+   void __iomem *hcr_base = host_priv->hcr_base;
+   struct ata_port *ap = host->ports[0];
+   struct sata_fsl_port_priv *pp = ap->private_data;
+
+   ret = sata_fsl_init_controller(host);
+   if (ret) {
+   dev_printk(KERN_ERR, &op->dev,
+   "Error initialize hardware\n");
+   return ret;
+   }
+
+   /* Recovery the CHBA register in host controller cmd register set */
+   iowrite32(pp->cmdslot_paddr & 0x, hcr_base + CHBA);
+
+   ata_host_resume(host);
+   return 0;
+}
+#endif
+
 static struct of_device_id fsl_sata_match[] = {
{
.compatible = "fsl,pq-sata",
@@ -1392,6 +1423,10 @@ static struct of_platform_driver fsl_sata_driver = {
.match_table= fsl_sata_match,
.probe  = sata_fsl_probe,
.remove = sata_fsl_remove,
+#ifdef CONFIG_PM
+   .suspend= sata_fsl_suspend,
+   .resume = sata_fsl_resume,
+#endif
 };
 
 static int __init sata_fsl_init(void)
-- 
1.6.0.6

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