From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alexandre Courbot Subject: [PATCH v3 3/3] mmc: sdhci-pci: Do not set DMA mask in enable_dma() Date: Fri, 4 Mar 2016 19:38:45 +0900 Message-ID: <1457087925-992-4-git-send-email-acourbot@nvidia.com> References: <1457087925-992-1-git-send-email-acourbot@nvidia.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1457087925-992-1-git-send-email-acourbot@nvidia.com> Sender: linux-kernel-owner@vger.kernel.org To: Ulf Hansson , Adrian Hunter , Arnd Bergmann Cc: linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org, gnurou@gmail.com, Alexandre Courbot List-Id: linux-mmc@vger.kernel.org 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 --- drivers/mmc/host/sdhci-pci-core.c | 15 --------------- 1 file changed, 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; -- 2.7.2