linux-kernel - [PATCH 13/15] usbnet: remove ifdefed out call to dma

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Date:	Sat,  3 Oct 2015 17:19:37 +0200
From:	Christoph Hellwig <hch@....de>
To:	Andrew Morton <akpm@...ux-foundation.org>,
	Don Fry <pcnet32@...ntier.com>,
	Oliver Neukum <oneukum@...e.com>
Cc:	linux-net-drivers@...arflare.com, dri-devel@...ts.freedesktop.org,
	linux-media@...r.kernel.org, netdev@...r.kernel.org,
	linux-parisc@...r.kernel.org, linux-serial@...r.kernel.org,
	linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 13/15] usbnet: remove ifdefed out call to dma_supported

Signed-off-by: Christoph Hellwig <hch@....de>
---
 drivers/net/usb/usbnet.c | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c
index b4cf107..9497d51 100644
--- a/drivers/net/usb/usbnet.c
+++ b/drivers/net/usb/usbnet.c
@@ -1661,12 +1661,6 @@ usbnet_probe (struct usb_interface *udev, const struct usb_device_id *prod)
 	 * bind() should set rx_urb_size in that case.
 	 */
 	dev->hard_mtu = net->mtu + net->hard_header_len;
-#if 0
-// dma_supported() is deeply broken on almost all architectures
-	// possible with some EHCI controllers
-	if (dma_supported (&udev->dev, DMA_BIT_MASK(64)))
-		net->features |= NETIF_F_HIGHDMA;
-#endif
 
 	net->netdev_ops = &usbnet_netdev_ops;
 	net->watchdog_timeo = TX_TIMEOUT_JIFFIES;
-- 
1.9.1

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