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SubjectRe: [PATCH] sata_fsl: Add power mgmt support
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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