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

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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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Suravee Suthikulpanit 2014-06-12 12:40:23 -05:00 • committed by Tejun Heo

parent 94463a9cad

commit cc7a9e2756

1 changed files with 13 additions and 0 deletions

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drivers/ata/libahci_platform.c

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