linux-kernel - [PATCH 3/3] usb: dwc3: host: Do not use dma_coerce_mask_and

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Date:   Tue, 25 Oct 2016 16:26:28 +0530
From:   Sriram Dash <sriram.dash@....com>
To:     <linux-kernel@...r.kernel.org>, <linux-usb@...r.kernel.org>
CC:     <mathias.nyman@...el.com>, <gregkh@...uxfoundation.org>,
        <suresh.gupta@....com>, <felipe.balbi@...ux.intel.com>,
        <stern@...land.harvard.edu>, <pku.leo@...il.com>,
        Sriram Dash <sriram.dash@....com>,
        Arnd Bergmann <arnd@...db.de>
Subject: [PATCH 3/3] usb: dwc3: host: Do not use dma_coerce_mask_and_coherent

Do not use dma_coerce_mask_and_coherent for hcd.

Signed-off-by: Arnd Bergmann <arnd@...db.de>
---
 drivers/usb/dwc3/dwc3-exynos.c | 10 ----------
 1 file changed, 10 deletions(-)

diff --git a/drivers/usb/dwc3/dwc3-exynos.c b/drivers/usb/dwc3/dwc3-exynos.c
index 2f1fb7e..e27899b 100644
--- a/drivers/usb/dwc3/dwc3-exynos.c
+++ b/drivers/usb/dwc3/dwc3-exynos.c
@@ -20,7 +20,6 @@
 #include <linux/kernel.h>
 #include <linux/slab.h>
 #include <linux/platform_device.h>
-#include <linux/dma-mapping.h>
 #include <linux/clk.h>
 #include <linux/usb/otg.h>
 #include <linux/usb/usb_phy_generic.h>
@@ -117,15 +116,6 @@ static int dwc3_exynos_probe(struct platform_device *pdev)
 	if (!exynos)
 		return -ENOMEM;
 
-	/*
-	 * Right now device-tree probed devices don't get dma_mask set.
-	 * Since shared usb code relies on it, set it here for now.
-	 * Once we move to full device tree support this will vanish off.
-	 */
-	ret = dma_coerce_mask_and_coherent(dev, DMA_BIT_MASK(32));
-	if (ret)
-		return ret;
-
 	platform_set_drvdata(pdev, exynos);
 
 	exynos->dev	= dev;
-- 
2.1.0