From: Tejun Heo <tj@kernel.org>
To: Shaohua Li <shaohua.li@intel.com>
Cc: Jeff Garzik <jgarzik@pobox.com>,
Robert Hancock <hancockrwd@gmail.com>,
linux-ide <linux-ide@vger.kernel.org>
Subject: Re: [RFC] add DMA setup FIS auto-activate feature
Date: Sat, 25 Jul 2009 09:47:32 +0900 [thread overview]
Message-ID: <4A6A5624.7080005@kernel.org> (raw)
In-Reply-To: <20090724091215.GA27802@sli10-desk.sh.intel.com>
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.
--
tejun
next prev parent reply other threads:[~2009-07-25 0:45 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-07-23 3:45 [RFC] add DMA setup FIS auto-activate feature Shaohua Li
2009-07-23 3:50 ` Tejun Heo
2009-07-23 3:59 ` Jeff Garzik
2009-07-23 5:40 ` Shaohua Li
2009-07-23 5:45 ` Tejun Heo
2009-07-23 6:07 ` Jeff Garzik
2009-07-23 6:12 ` Tejun Heo
2009-07-23 6:48 ` Jeff Garzik
2009-07-23 7:25 ` Shaohua Li
2009-07-23 18:07 ` Robert Hancock
2009-07-23 18:11 ` Jeff Garzik
2009-07-23 20:52 ` Tejun Heo
2009-07-24 9:12 ` Shaohua Li
2009-07-25 0:47 ` Tejun Heo [this message]
2009-07-27 1:24 ` Shaohua Li
2009-07-27 1:31 ` Tejun Heo
2009-07-29 1:20 ` Jeff Garzik
2009-07-23 6:18 ` Robert Hancock
2009-07-23 9:55 ` Sergei Shtylyov
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