ahci/xgene: Remove logic to set 64-bit DMA mask

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

Signed-off-by: Suravee Suthikulpanit <Suravee.Suthikulpanit@amd.com>
Suggested-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Cc: Loc Ho <lho@apm.com>
Cc: Tuan Phan <tphan@apm.com>
Cc: Suman Triphati <stripathi@apm.com>
Signed-off-by: Tejun Heo <tj@kernel.org>

1 files changed, 0 insertions, 10 deletions

diff --git a/drivers/ata/ahci_xgene.c b/drivers/ata/ahci_xgene.c
index 042a9bb45c86..a9fc2ae2e6e2 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,