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From: Sriram Dash <sriram.dash@nxp.com>
To: <linux-kernel@vger.kernel.org>, <linux-usb@vger.kernel.org>
Cc: <mathias.nyman@intel.com>, <gregkh@linuxfoundation.org>,
	<suresh.gupta@nxp.com>, <felipe.balbi@linux.intel.com>,
	<stern@rowland.harvard.edu>, <pku.leo@gmail.com>,
	Sriram Dash <sriram.dash@nxp.com>, Arnd Bergmann <arnd@arndb.de>
Subject: [PATCH 2/3] usb: dwc3: host: Do not use dma_set_coherent_mask
Date: Tue, 25 Oct 2016 16:26:27 +0530	[thread overview]
Message-ID: <1477392988-7253-3-git-send-email-sriram.dash@nxp.com> (raw)
In-Reply-To: <1477392988-7253-1-git-send-email-sriram.dash@nxp.com>

Do not require dma_set_coherent_mask for hcd

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---
 drivers/usb/chipidea/core.c | 3 ---
 drivers/usb/dwc3/core.c     | 6 ------
 drivers/usb/dwc3/dwc3-st.c  | 1 -
 drivers/usb/dwc3/host.c     | 4 ----
 4 files changed, 14 deletions(-)

diff --git a/drivers/usb/chipidea/core.c b/drivers/usb/chipidea/core.c
index 69426e6..8917a03 100644
--- a/drivers/usb/chipidea/core.c
+++ b/drivers/usb/chipidea/core.c
@@ -833,9 +833,6 @@ struct platform_device *ci_hdrc_add_device(struct device *dev,
 	}
 
 	pdev->dev.parent = dev;
-	pdev->dev.dma_mask = dev->dma_mask;
-	pdev->dev.dma_parms = dev->dma_parms;
-	dma_set_coherent_mask(&pdev->dev, dev->coherent_dma_mask);
 
 	ret = platform_device_add_resources(pdev, res, nres);
 	if (ret)
diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index e0f64ef..0af0dc0 100644
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -1059,12 +1059,6 @@ static int dwc3_probe(struct platform_device *pdev)
 
 	spin_lock_init(&dwc->lock);
 
-	if (!dev->dma_mask) {
-		dev->dma_mask = dev->parent->dma_mask;
-		dev->dma_parms = dev->parent->dma_parms;
-		dma_set_coherent_mask(dev, dev->parent->coherent_dma_mask);
-	}
-
 	pm_runtime_set_active(dev);
 	pm_runtime_use_autosuspend(dev);
 	pm_runtime_set_autosuspend_delay(dev, DWC3_DEFAULT_AUTOSUSPEND_DELAY);
diff --git a/drivers/usb/dwc3/dwc3-st.c b/drivers/usb/dwc3/dwc3-st.c
index 89a2f71..4d7439c 100644
--- a/drivers/usb/dwc3/dwc3-st.c
+++ b/drivers/usb/dwc3/dwc3-st.c
@@ -218,7 +218,6 @@ static int st_dwc3_probe(struct platform_device *pdev)
 	if (IS_ERR(regmap))
 		return PTR_ERR(regmap);
 
-	dma_set_coherent_mask(dev, dev->coherent_dma_mask);
 	dwc3_data->dev = dev;
 	dwc3_data->regmap = regmap;
 
diff --git a/drivers/usb/dwc3/host.c b/drivers/usb/dwc3/host.c
index bb83eee..045ec27 100644
--- a/drivers/usb/dwc3/host.c
+++ b/drivers/usb/dwc3/host.c
@@ -72,11 +72,7 @@ int dwc3_host_init(struct dwc3 *dwc)
 		return -ENOMEM;
 	}
 
-	dma_set_coherent_mask(&xhci->dev, dwc->dev->coherent_dma_mask);
-
 	xhci->dev.parent	= dwc->dev;
-	xhci->dev.dma_mask	= dwc->dev->dma_mask;
-	xhci->dev.dma_parms	= dwc->dev->dma_parms;
 
 	dwc->xhci = xhci;
 
-- 
2.1.0

  parent reply	other threads:[~2016-10-25 11:11 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-10-25 10:56 [PATCH 0/3] inherit dma configuration from parent dev Sriram Dash
2016-10-25 10:56 ` [PATCH 1/3] usb: dwc3: host: " Sriram Dash
2016-10-26  3:29   ` Peter Chen
2016-10-25 10:56 ` Sriram Dash [this message]
2016-10-25 20:42   ` [PATCH 2/3] usb: dwc3: host: Do not use dma_set_coherent_mask Arnd Bergmann
2016-10-27  5:29     ` Sriram Dash
2016-10-25 10:56 ` [PATCH 3/3] usb: dwc3: host: Do not use dma_coerce_mask_and_coherent Sriram Dash
2016-10-25 20:27   ` Arnd Bergmann
2016-10-27  5:28     ` Sriram Dash

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