Commit 5d6ff300 authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Greg Kroah-Hartman
Browse files

usb/max3421: remove the dummy {un,}map_urb_for_dma methods 



Now that we have an explicit HCD_DMA flag, there is not need to override
these methods.

Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20190816062435.881-5-hch@lst.de


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 7b81cb6b

drivers/usb/host/max3421-hcd.c

+0 −17
Original line number Diff line number Diff line
@@ -1800,21 +1800,6 @@ max3421_bus_resume(struct usb_hcd *hcd) 
	return -1;

}



/*

 * The SPI driver already takes care of DMA-mapping/unmapping, so no

 * reason to do it twice.

 */

static int

max3421_map_urb_for_dma(struct usb_hcd *hcd, struct urb *urb, gfp_t mem_flags)

{

	return 0;

}



static void

max3421_unmap_urb_for_dma(struct usb_hcd *hcd, struct urb *urb)

{

}



static const struct hc_driver max3421_hcd_desc = {

	.description =		"max3421",

	.product_desc =		DRIVER_DESC,
@@ -1826,8 +1811,6 @@ static const struct hc_driver max3421_hcd_desc = { 
	.get_frame_number =	max3421_get_frame_number,

	.urb_enqueue =		max3421_urb_enqueue,

	.urb_dequeue =		max3421_urb_dequeue,

	.map_urb_for_dma =	max3421_map_urb_for_dma,

	.unmap_urb_for_dma =	max3421_unmap_urb_for_dma,

	.endpoint_disable =	max3421_endpoint_disable,

	.hub_status_data =	max3421_hub_status_data,

	.hub_control =		max3421_hub_control,

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