Hello. Kumar Gala wrote:
From: Dave Liu <dave...@freescale.com> Signed-off-by: Dave Liu <dave...@freescale.com> Signed-off-by: Liu Yu <yu....@freescale.com> Signed-off-by: Kumar Gala <ga...@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
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