[PATCH] usb: gadget: udc-core: remove manual dma configuration

From	Grygorii Strashko <grygorii.strashko@ti.com>
Newsgroups	linux.kernel
Subject	[PATCH] usb: gadget: udc-core: remove manual dma configuration
Date	2016-04-04 13:40 +0200
Message-ID	<rkb1n-2kr-3@gated-at.bofh.it> (permalink)
Organization	linux.* mail to news gateway

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Since commit 7ace8fc8219e ("usb: gadget: udc: core: Fix argument of
dma_map_single for IOMMU") it is not necessary to configure DMA for
usb_gadget device manually, because all DMA operation are performed
using parent/controller device.

Cc: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
---
 drivers/usb/gadget/udc/udc-core.c | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/drivers/usb/gadget/udc/udc-core.c b/drivers/usb/gadget/udc/udc-core.c
index 4151597..e4e70e1 100644
--- a/drivers/usb/gadget/udc/udc-core.c
+++ b/drivers/usb/gadget/udc/udc-core.c
@@ -371,12 +371,6 @@ int usb_add_gadget_udc_release(struct device *parent, struct usb_gadget *gadget,
 	INIT_WORK(&gadget->work, usb_gadget_state_work);
 	gadget->dev.parent = parent;
 
-#ifdef	CONFIG_HAS_DMA
-	dma_set_coherent_mask(&gadget->dev, parent->coherent_dma_mask);
-	gadget->dev.dma_parms = parent->dma_parms;
-	gadget->dev.dma_mask = parent->dma_mask;
-#endif
-
 	if (release)
 		gadget->dev.release = release;
 	else
-- 
2.8.0

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[PATCH] usb: gadget: udc-core: remove manual dma configuration Grygorii Strashko <grygorii.strashko@ti.com> - 2016-04-04 13:40 +0200
  RE: [PATCH] usb: gadget: udc-core: remove manual dma configuration Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> - 2016-04-05 08:30 +0200

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