From: Suravee Suthikulpanit <Suravee.Suthikulpanit@amd.com>
Date: Thu, 12 Jun 2014 17:40:23 +0000 (-0500)
Subject: ahci: Check and set 64-bit DMA mask for platform AHCI driver
X-Git-Tag: omap-for-v3.17/fixes-against-rc2~189^2~22
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=cc7a9e27562cd78a1dc885504086fab24addce40;p=pandora-kernel.git

ahci: Check and set 64-bit DMA mask for platform AHCI driver

The current platform AHCI driver does not set the dma_mask correctly
for 64-bit DMA capable AHCI controller. This patch checks the AHCI
capability bit and set the dma_mask and coherent_dma_mask accordingly.

Signed-off-by: Suravee Suthikulpanit <Suravee.Suthikulpanit@amd.com>
Reviewed-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Tested-by: Hans de Goede <hdegoede@redhat.com>
Tested-by: Suman Tripathi <stripathi@apm.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
---

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