From: Bjorn Andersson <bjorn.andersson@linaro.org>
To: Peter Chen <Peter.Chen@nxp.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>,
linux-usb@vger.kernel.org,
linux-arm-msm <linux-arm-msm@vger.kernel.org>,
linux-kernel@vger.kernel.org
Subject: [PATCH] usb: chipidea: Configure DMA properties and ops from DT
Date: Sun, 21 Feb 2016 21:32:13 -0800 [thread overview]
Message-ID: <1456119133-16114-1-git-send-email-bjorn.andersson@linaro.org> (raw)
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 <bjorn.andersson@linaro.org>
---
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 <linux/usb/chipidea.h>
#include <linux/usb/of.h>
#include <linux/of.h>
+#include <linux/of_device.h>
#include <linux/phy.h>
#include <linux/regulator/consumer.h>
#include <linux/usb/ehci_def.h>
@@ -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
next reply other threads:[~2016-02-22 5:32 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-02-22 5:32 Bjorn Andersson [this message]
2016-02-22 6:02 ` [PATCH] usb: chipidea: Configure DMA properties and ops from DT Peter Chen
2016-02-22 6:14 ` Bjorn Andersson
2016-02-22 10:03 ` Srinivas Kandagatla
2016-02-22 22:07 ` Bjorn Andersson
2016-02-23 1:31 ` Peter Chen
2016-03-02 22:59 ` Li Yang
2016-03-08 19:52 ` Li Yang
2016-03-09 3:40 ` Bjorn Andersson
2016-03-09 23:16 ` Li Yang
2016-03-14 10:51 ` Peter Chen
2016-03-17 15:52 ` Arnd Bergmann
2016-03-18 1:54 ` Peter Chen
2016-03-18 3:25 ` Rajesh Bhagat
2016-03-18 7:28 ` Arnd Bergmann
2016-03-18 10:56 ` Russell King - ARM Linux
2016-03-25 4:02 ` Peter Chen
2016-03-25 4:39 ` [PATCH 1/1] usb: chipidea: add DMA mask configuration API kbuild test robot
2016-10-21 16:59 ` [RESEND PATCH] usb: chipidea: Configure DMA properties and ops from DT Bjorn Andersson
2016-10-21 17:38 ` Stephen Boyd
2016-10-21 17:53 ` Bjorn Andersson
2016-10-22 6:22 ` Sriram Dash
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