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author | Mikael Pettersson <mikpe@it.uu.se> | 2007-02-25 17:51:15 +0100 |
---|---|---|
committer | Jeff Garzik <jeff@garzik.org> | 2007-02-25 15:41:40 -0500 |
commit | 098cdff3d40286f87062c17cd07e98ca7ad94184 (patch) | |
tree | 5507d29e76b66c6a5f06835777df7267fbaa38a7 /drivers/ata/sata_promise.c | |
parent | 540477b4d93f5b49f9e9ce3ae2437071103a0f8e (diff) | |
download | kernel_samsung_smdk4412-098cdff3d40286f87062c17cd07e98ca7ad94184.zip kernel_samsung_smdk4412-098cdff3d40286f87062c17cd07e98ca7ad94184.tar.gz kernel_samsung_smdk4412-098cdff3d40286f87062c17cd07e98ca7ad94184.tar.bz2 |
sata_promise: simplify port setup
Each place in pdc_ata_init_one() that initialises a SATA
port first calls pdc_ata_setup_port(), and then manually
assigns the port's ->scr_addr. Simplify the code by extending
pdc_ata_setup_port() to also handle scr_addr initialisation;
for PATA ports we pass NULL as scr_addr.
The initialisation of the PATA-only 20619 redundantly set
up scr_addr for the ports. Remove this.
Tested on 20619, 20575, and 20775 chips.
Signed-off-by: Mikael Pettersson <mikpe@it.uu.se>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'drivers/ata/sata_promise.c')
-rw-r--r-- | drivers/ata/sata_promise.c | 29 |
1 files changed, 10 insertions, 19 deletions
diff --git a/drivers/ata/sata_promise.c b/drivers/ata/sata_promise.c index 5940bf4..44e0fc7 100644 --- a/drivers/ata/sata_promise.c +++ b/drivers/ata/sata_promise.c @@ -777,7 +777,8 @@ static int pdc_old_check_atapi_dma(struct ata_queued_cmd *qc) return pdc_check_atapi_dma(qc); } -static void pdc_ata_setup_port(struct ata_ioports *port, void __iomem *base) +static void pdc_ata_setup_port(struct ata_ioports *port, void __iomem *base, + void __iomem *scr_addr) { port->cmd_addr = base; port->data_addr = base; @@ -792,6 +793,7 @@ static void pdc_ata_setup_port(struct ata_ioports *port, void __iomem *base) port->status_addr = base + 0x1c; port->altstatus_addr = port->ctl_addr = base + 0x38; + port->scr_addr = scr_addr; } @@ -904,11 +906,8 @@ static int pdc_ata_init_one (struct pci_dev *pdev, const struct pci_device_id *e base = probe_ent->iomap[PDC_MMIO_BAR]; - pdc_ata_setup_port(&probe_ent->port[0], base + 0x200); - pdc_ata_setup_port(&probe_ent->port[1], base + 0x280); - - probe_ent->port[0].scr_addr = base + 0x400; - probe_ent->port[1].scr_addr = base + 0x500; + pdc_ata_setup_port(&probe_ent->port[0], base + 0x200, base + 0x400); + pdc_ata_setup_port(&probe_ent->port[1], base + 0x280, base + 0x500); /* notice 4-port boards */ switch (board_idx) { @@ -917,12 +916,8 @@ static int pdc_ata_init_one (struct pci_dev *pdev, const struct pci_device_id *e /* Fall through */ case board_20319: probe_ent->n_ports = 4; - - pdc_ata_setup_port(&probe_ent->port[2], base + 0x300); - pdc_ata_setup_port(&probe_ent->port[3], base + 0x380); - - probe_ent->port[2].scr_addr = base + 0x600; - probe_ent->port[3].scr_addr = base + 0x700; + pdc_ata_setup_port(&probe_ent->port[2], base + 0x300, base + 0x600); + pdc_ata_setup_port(&probe_ent->port[3], base + 0x380, base + 0x700); break; case board_2057x: hp->flags |= PDC_FLAG_GEN_II; @@ -932,7 +927,7 @@ static int pdc_ata_init_one (struct pci_dev *pdev, const struct pci_device_id *e tmp = readb(base + PDC_FLASH_CTL+1); if (!(tmp & 0x80)) { probe_ent->n_ports = 3; - pdc_ata_setup_port(&probe_ent->port[2], base + 0x300); + pdc_ata_setup_port(&probe_ent->port[2], base + 0x300, NULL); hp->port_flags[2] = ATA_FLAG_SLAVE_POSS; printk(KERN_INFO DRV_NAME " PATA port found\n"); } else @@ -942,12 +937,8 @@ static int pdc_ata_init_one (struct pci_dev *pdev, const struct pci_device_id *e break; case board_20619: probe_ent->n_ports = 4; - - pdc_ata_setup_port(&probe_ent->port[2], base + 0x300); - pdc_ata_setup_port(&probe_ent->port[3], base + 0x380); - - probe_ent->port[2].scr_addr = base + 0x600; - probe_ent->port[3].scr_addr = base + 0x700; + pdc_ata_setup_port(&probe_ent->port[2], base + 0x300, NULL); + pdc_ata_setup_port(&probe_ent->port[3], base + 0x380, NULL); break; default: BUG(); |