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| author |   Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2011-10-11 19:45:52 +0200 |
|---|---|---|
| committer |   Jeff Garzik <jgarzik@redhat.com> | 2011-10-14 13:06:56 -0400 |
| commit | f6b56696b974a7d6d55f98ebcfb0a1099696fc2e (patch) | |
| tree | 8fcac87e23e36d62b9d09d33a4c29772b2a8532a /drivers/ata/pata_artop.c | |
| parent | pata_sc1200: do not use c99 style comments (diff) | |
| download | linux-dev-f6b56696b974a7d6d55f98ebcfb0a1099696fc2e.tar.xz linux-dev-f6b56696b974a7d6d55f98ebcfb0a1099696fc2e.zip | |
pata_artop: unify ->prereset methods
* Unify ->prereset methods for ATP850 and ATP86x[R] chipsets.
* Fix ->prereset documentation while at it.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Diffstat (limited to 'drivers/ata/pata_artop.c')
| -rw-r--r-- | drivers/ata/pata_artop.c | 26 |
1 files changed, 5 insertions, 21 deletions
diff --git a/drivers/ata/pata_artop.c b/drivers/ata/pata_artop.c index 78a93b690959..ef2bec0d4479 100644 --- a/drivers/ata/pata_artop.c +++ b/drivers/ata/pata_artop.c @@ -39,31 +39,15 @@ static int clock = 0; -static int artop6210_pre_reset(struct ata_link *link, unsigned long deadline) -{ - struct ata_port *ap = link->ap; - struct pci_dev *pdev = to_pci_dev(ap->host->dev); - const struct pci_bits artop_enable_bits[] = { - { 0x4AU, 1U, 0x02UL, 0x02UL }, /* port 0 */ - { 0x4AU, 1U, 0x04UL, 0x04UL }, /* port 1 */ - }; - - if (!pci_test_config_bits(pdev, &artop_enable_bits[ap->port_no])) - return -ENOENT; - - return ata_sff_prereset(link, deadline); -} - /** - * artop6260_pre_reset - check for 40/80 pin + * artop62x0_pre_reset - probe begin * @link: link * @deadline: deadline jiffies for the operation * - * The ARTOP hardware reports the cable detect bits in register 0x49. * Nothing complicated needed here. */ -static int artop6260_pre_reset(struct ata_link *link, unsigned long deadline) +static int artop62x0_pre_reset(struct ata_link *link, unsigned long deadline) { static const struct pci_bits artop_enable_bits[] = { { 0x4AU, 1U, 0x02UL, 0x02UL }, /* port 0 */ @@ -73,7 +57,7 @@ static int artop6260_pre_reset(struct ata_link *link, unsigned long deadline) struct ata_port *ap = link->ap; struct pci_dev *pdev = to_pci_dev(ap->host->dev); - /* Odd numbered device ids are the units with enable bits (the -R cards) */ + /* Odd numbered device ids are the units with enable bits. */ if ((pdev->device & 1) && !pci_test_config_bits(pdev, &artop_enable_bits[ap->port_no])) return -ENOENT; @@ -317,7 +301,7 @@ static struct ata_port_operations artop6210_ops = { .cable_detect = ata_cable_40wire, .set_piomode = artop6210_set_piomode, .set_dmamode = artop6210_set_dmamode, - .prereset = artop6210_pre_reset, + .prereset = artop62x0_pre_reset, .qc_defer = artop6210_qc_defer, }; @@ -326,7 +310,7 @@ static struct ata_port_operations artop6260_ops = { .cable_detect = artop6260_cable_detect, .set_piomode = artop6260_set_piomode, .set_dmamode = artop6260_set_dmamode, - .prereset = artop6260_pre_reset, + .prereset = artop62x0_pre_reset, }; |