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Commit dab632e8 authored by Jeff Garzik's avatar Jeff Garzik
Browse files

[libata] ahci: minor internal cleanups 



Minor cleanups, in preparation for merging Marvell PATA AHCI support in
the future.

Signed-off-by: default avatarJeff Garzik <jeff@garzik.org>
parent ab2181cf

drivers/ata/ahci.c

+21 −8
Original line number Diff line number Diff line
@@ -229,6 +229,9 @@ static void ahci_error_handler(struct ata_port *ap); 
static void ahci_vt8251_error_handler(struct ata_port *ap);

static void ahci_post_internal_cmd(struct ata_queued_cmd *qc);

static int ahci_port_resume(struct ata_port *ap);

static unsigned int ahci_fill_sg(struct ata_queued_cmd *qc, void *cmd_tbl);

static void ahci_fill_cmd_slot(struct ahci_port_priv *pp, unsigned int tag,

			       u32 opts);

#ifdef CONFIG_PM

static int ahci_port_suspend(struct ata_port *ap, pm_message_t mesg);

static int ahci_pci_device_suspend(struct pci_dev *pdev, pm_message_t mesg);
@@ -481,11 +484,17 @@ static inline int ahci_nr_ports(u32 cap) 
	return (cap & 0x1f) + 1;

}



static inline void __iomem *ahci_port_base(struct ata_port *ap)

static inline void __iomem *__ahci_port_base(struct ata_host *host,

					     unsigned int port_no)

{

	void __iomem *mmio = ap->host->iomap[AHCI_PCI_BAR];

	void __iomem *mmio = host->iomap[AHCI_PCI_BAR];



	return mmio + 0x100 + (ap->port_no * 0x80);

	return mmio + 0x100 + (port_no * 0x80);

}



static inline void __iomem *ahci_port_base(struct ata_port *ap)

{

	return __ahci_port_base(ap->host, ap->port_no);

}



/**
@@ -1750,14 +1759,18 @@ static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) 
	host->private_data = hpriv;



	for (i = 0; i < host->n_ports; i++) {

		if (hpriv->port_map & (1 << i)) {

		struct ata_port *ap = host->ports[i];

		void __iomem *port_mmio = ahci_port_base(ap);



		/* standard SATA port setup */

		if (hpriv->port_map & (1 << i)) {

			ap->ioaddr.cmd_addr = port_mmio;

			ap->ioaddr.scr_addr = port_mmio + PORT_SCR;

		} else

			host->ports[i]->ops = &ata_dummy_port_ops;

		}



		/* disabled/not-implemented port */

		else

			ap->ops = &ata_dummy_port_ops;

	}



	/* initialize adapter */