Messages in this thread | | | Date | Thu, 11 Jun 2009 13:29:41 +0400 | From | Sergei Shtylyov <> | Subject | Re: [PATCH] sata_fsl: Add power mgmt support |
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Hello.
Kumar Gala wrote:
> From: Dave Liu <daveliu@freescale.com> > > Signed-off-by: Dave Liu <daveliu@freescale.com> > Signed-off-by: Liu Yu <yu.liu@freescale.com> > Signed-off-by: Kumar Gala <galak@kernel.crashing.org> > --- > 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 & 0xffffffff, hcr_base + CHBA); > + > + ata_host_resume(host); > + return 0; > +} > +#endif >
MBR, Sergei
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