From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bjorn Andersson Subject: [PATCH] usb: chipidea: Configure DMA properties and ops from DT Date: Sun, 21 Feb 2016 21:32:13 -0800 Message-ID: <1456119133-16114-1-git-send-email-bjorn.andersson@linaro.org> Return-path: Received: from mail-pa0-f46.google.com ([209.85.220.46]:35475 "EHLO mail-pa0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750758AbcBVFcR (ORCPT ); Mon, 22 Feb 2016 00:32:17 -0500 Received: by mail-pa0-f46.google.com with SMTP id ho8so87331806pac.2 for ; Sun, 21 Feb 2016 21:32:17 -0800 (PST) Sender: linux-arm-msm-owner@vger.kernel.org List-Id: linux-arm-msm@vger.kernel.org To: Peter Chen , Greg Kroah-Hartman Cc: Srinivas Kandagatla , linux-usb@vger.kernel.org, linux-arm-msm , linux-kernel@vger.kernel.org On certain platforms (e.g. ARM64) the dma_ops needs to be explicitly set to be able to do DMA allocations, so use the of_dma_configure() helper to populate the dma properties and assign an appropriate dma_ops. Signed-off-by: Bjorn Andersson --- drivers/usb/chipidea/core.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/usb/chipidea/core.c b/drivers/usb/chipidea/core.c index 7404064b9bbc..047b9d4e67aa 100644 --- a/drivers/usb/chipidea/core.c +++ b/drivers/usb/chipidea/core.c @@ -62,6 +62,7 @@ #include #include #include +#include #include #include #include @@ -834,6 +835,9 @@ struct platform_device *ci_hdrc_add_device(struct device *dev, pdev->dev.dma_parms = dev->dma_parms; dma_set_coherent_mask(&pdev->dev, dev->coherent_dma_mask); + if (IS_ENABLED(CONFIG_OF) && dev->of_node) + of_dma_configure(&pdev->dev, dev->of_node); + ret = platform_device_add_resources(pdev, res, nres); if (ret) goto err; -- 2.5.0