Linux PCI Non-Transparent Bridge framework and drivers
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From: "Allen Hubbe" <Allen.Hubbe@dell.com>
To: 'Shyam Sundar S K' <ssundark@amd.com>,
	'Jon Mason' <jdmason@kudzu.us>,
	'Dave Jiang' <dave.jiang@intel.com>
Cc: "'Yu, Xiangliang'" <Xiangliang.Yu@amd.com>,
	"'Shah, Nehal-bakulchandra'" <Nehal-bakulchandra.Shah@amd.com>,
	"'Agrawal, Nitesh-kumar'" <Nitesh-kumar.Agrawal@amd.com>,
	"'Sen, Pankaj'" <Pankaj.Sen@amd.com>,
	"'Su, Richard (Bin)'" <Richard1.Su@amd.com>,
	"'Subramaniyan, Ramkumar'" <ramkumar.ks@amd.com>,
	linux-ntb@googlegroups.com
Subject: RE: [PATCH 1/2] ntb_transport: Limit memory windows based on available, scratchpads
Date: Fri, 2 Dec 2016 09:30:07 -0500	[thread overview]
Message-ID: <000001d24ca8$955380a0$bffa81e0$@dell.com> (raw)
In-Reply-To: <7e2a1e3b-607a-197e-f965-e26cd3a4af60@amd.com>

From: Shyam Sundar S K
> Do you feel this part of the code is required in ntb_transport_probe() ?
> 
> 	if (ntb_spad_count(ndev) < (NUM_MWS + 1 + mw_count * 2)) {
> 		dev_err(&ndev->dev, "Not enough scratch pad registers for %s",
> 			NTB_TRANSPORT_NAME);
> 		return -EIO;
> 	}
> 
> Because in case of AMD, this condition will always fail.

You're right.  That check can be removed with the addition of your other changes.


  reply	other threads:[~2016-12-02 14:30 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-12-01 19:11 [PATCH 1/2] ntb_transport: Limit memory windows based on available, scratchpads Shyam Sundar S K
2016-12-02  2:22 ` Allen Hubbe
2016-12-02 12:32   ` Shyam Sundar S K
2016-12-02 14:30     ` Allen Hubbe [this message]
2016-12-02 16:31       ` Shyam Sundar S K
2016-12-02 16:57         ` Allen Hubbe

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