Shaohua Li wrote: > On Sat, Jul 25, 2009 at 08:47:32AM +0800, Tejun Heo wrote: >> Hello, Shaohua. >> >> Shaohua Li wrote: >>> + if (!(dev->horkage & ATA_HORKAGE_FPDMA_AA) && >>> + (ap->flags & ATA_FLAG_FPDMA_AA) && >>> + ata_id_has_fpdma_aa(dev->id)) { >>> + err_mask = ata_dev_set_feature(dev, SETFEATURES_SATA_ENABLE, >>> + SATA_FPDMA_AA); >>> + if (err_mask) { >>> + ata_dev_printk(dev, KERN_ERR, "failed to enable AA" >>> + "(error_mask=0x%x)\n", err_mask); >>> + if (err_mask != AC_ERR_DEV) >>> + dev->horkage |= ATA_HORKAGE_FPDMA_AA; >>> + return -EIO; >> You can continue if err_mask equals AC_ERR_DEV. Also, the horkage >> should probably named like ATA_HORKAGE_BROKEN_FPDMA_AA. > Thanks for the suggestion. Hope this version is ok. > > Add SATA DMA setup FIS auto-activate feature in AHCI. > > Signed-off-by: Shaohua Li <shaohua.li@xxxxxxxxx> Acked-by: Tejun Heo <tj@xxxxxxxxxx> Thanks. -- tejun -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html