linux-kernel - [PATCH 2/2] ahci/xgene: Remove logic to set 64-bit DMA mask

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Date:	Thu, 12 Jun 2014 12:40:24 -0500
From:	<suravee.suthikulpanit@....com>
To:	<tj@...nel.org>, <b.zolnierkie@...sung.com>
CC:	<hdegoede@...hat.com>, <lho@....com>, <tphan@....com>,
	<stripathi@....com>, <linux-ide@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>,
	Suravee Suthikulpanit <Suravee.Suthikulpanit@....com>
Subject: [PATCH 2/2] ahci/xgene: Remove logic to set 64-bit DMA mask

From: Suravee Suthikulpanit <Suravee.Suthikulpanit@....com>

Instead of doing the check here, this should be handled
in the common AHCI platform code.

Signed-off-by: Suravee Suthikulpanit <Suravee.Suthikulpanit@....com>
Suggested-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>
Cc: Loc Ho <lho@....com>
Cc: Tuan Phan <tphan@....com>
Cc: Suman Triphati <stripathi@....com>
---
 drivers/ata/ahci_xgene.c | 10 ----------
 1 file changed, 10 deletions(-)

diff --git a/drivers/ata/ahci_xgene.c b/drivers/ata/ahci_xgene.c
index 042a9bb..a9fc2ae 100644
--- a/drivers/ata/ahci_xgene.c
+++ b/drivers/ata/ahci_xgene.c
@@ -440,16 +440,6 @@ static int xgene_ahci_probe(struct platform_device *pdev)
 	/* Configure the host controller */
 	xgene_ahci_hw_init(hpriv);
 
-	/*
-	 * Setup DMA mask. This is preliminary until the DMA range is sorted
-	 * out.
-	 */
-	rc = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(64));
-	if (rc) {
-		dev_err(dev, "Unable to set dma mask\n");
-		goto disable_resources;
-	}
-
 	hflags = AHCI_HFLAG_NO_PMP | AHCI_HFLAG_YES_NCQ;
 
 	rc = ahci_platform_init_host(pdev, hpriv, &xgene_ahci_port_info,
-- 
1.9.0

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