Messages in this thread | | | Date | Tue, 26 Jun 2007 22:50:57 +0400 | From | Sergei Shtylyov <> | Subject | Re: [PATCH 4/5] sis5513: backport short cables support from pata_sis.c |
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Bartlomiej Zolnierkiewicz wrote:
> Backport short cables support from pata_sis.c.
> This patch should allow UDMA > 2 modes on ASUS A6K.
> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
> Index: b/drivers/ide/pci/sis5513.c > =================================================================== > --- a/drivers/ide/pci/sis5513.c > +++ b/drivers/ide/pci/sis5513.c [...] > @@ -796,10 +796,33 @@ static unsigned int __devinit init_chips > return 0; > } > > +struct sis_laptop { > + u16 device; > + u16 subvendor; > + u16 subdevice; > +}; > + > +static const struct sis_laptop sis_laptop[] = { > + /* devid, subvendor, subdev */ > + { 0x5513, 0x1043, 0x1107 }, /* ASUS A6K */ > + /* end marker */ > + { 0, } > +}; > + > static u8 __devinit ata66_sis5513(ide_hwif_t *hwif) > { > + struct pci_dev *pdev = hwif->pci_dev; > + const struct sis_laptop *lap = &sis_laptop[0]; > u8 ata66 = 0; > > + while (lap->device) { > + if (lap->device == pdev->device && > + lap->subvendor == pdev->subsystem_vendor && > + lap->subdevice == pdev->subsystem_device) > + return ATA_CBL_PATA40_SHORT; > + lap++; > + } > +
The code even starts looking generic enough to be put into helper...
> if (chipset_family >= ATA_133) { > u16 regw = 0; > u16 reg_addr = hwif->channel ? 0x52: 0x50;
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