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authorAlexandre Courbot <acourbot@nvidia.com>2016-03-07 11:07:57 +0900
committerUlf Hansson <ulf.hansson@linaro.org>2016-03-18 09:12:25 +0100
commitbd9ff18bffcd1861ff0c7dc3fd06d0df2510cc42 (patch)
tree84578b6f7b09498747d72593be660f689cbfeb33 /drivers/mmc/host/sdhci-pci-core.c
parent741b48f4f39730fdf74bc5892fca2de2fe798b63 (diff)
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mmc: sdhci-pci: Do not set DMA mask in enable_dma()
DMA mask will already be set by sdhci_set_dma_mask(), which is equivalent to the removed code since pci_set_dma_mask() expands to its DMA-API counterpart. There should also be no reason to set the DMA mask after probe. Signed-off-by: Alexandre Courbot <acourbot@nvidia.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Adrian Hunter <adrian.hunter@intel.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers/mmc/host/sdhci-pci-core.c')
-rw-r--r--drivers/mmc/host/sdhci-pci-core.c15
1 files changed, 0 insertions, 15 deletions
diff --git a/drivers/mmc/host/sdhci-pci-core.c b/drivers/mmc/host/sdhci-pci-core.c
index df3b8eced8c4..62aa5d0efcee 100644
--- a/drivers/mmc/host/sdhci-pci-core.c
+++ b/drivers/mmc/host/sdhci-pci-core.c
@@ -1302,7 +1302,6 @@ static int sdhci_pci_enable_dma(struct sdhci_host *host)
{
struct sdhci_pci_slot *slot;
struct pci_dev *pdev;
- int ret = -1;
slot = sdhci_priv(host);
pdev = slot->chip->pdev;
@@ -1314,20 +1313,6 @@ static int sdhci_pci_enable_dma(struct sdhci_host *host)
"doesn't fully claim to support it.\n");
}
- if (host->flags & SDHCI_USE_64_BIT_DMA) {
- if (host->quirks2 & SDHCI_QUIRK2_BROKEN_64_BIT_DMA) {
- host->flags &= ~SDHCI_USE_64_BIT_DMA;
- } else {
- ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(64));
- if (ret)
- dev_warn(&pdev->dev, "Failed to set 64-bit DMA mask\n");
- }
- }
- if (ret)
- ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
- if (ret)
- return ret;
-
pci_set_master(pdev);
return 0;