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Commit 3a1ec351 authored by Vahram Aharonyan's avatar Vahram Aharonyan Committed by Felipe Balbi
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usb: dwc2: host: Rename MAX_DMA_DESC_SIZE to HOST_DMA_NBYTES_LIMIT 



Rename MAX_DMA_DESC_SIZE to HOST_DMA_NBYTES_LIMIT as it stores value of
host DMA descriptor transfer bytes' limit. Values are different in case
of gadget DMA descriptors.

Signed-off-by: default avatarVahram Aharonyan <vahrama@synopsys.com>
Signed-off-by: default avatarJohn Youn <johnyoun@synopsys.com>
Signed-off-by: default avatarFelipe Balbi <felipe.balbi@linux.intel.com>
parent 0f6b80c0

drivers/usb/dwc2/hcd_ddma.c

+2 −2
Original line number Diff line number Diff line
@@ -693,8 +693,8 @@ static void dwc2_fill_host_dma_desc(struct dwc2_hsotg *hsotg, 
	struct dwc2_dma_desc *dma_desc = &qh->desc_list[n_desc];

	int len = chan->xfer_len;



	if (len > MAX_DMA_DESC_SIZE - (chan->max_packet - 1))

		len = MAX_DMA_DESC_SIZE - (chan->max_packet - 1);

	if (len > HOST_DMA_NBYTES_LIMIT - (chan->max_packet - 1))

		len = HOST_DMA_NBYTES_LIMIT - (chan->max_packet - 1);



	if (chan->ep_is_in) {

		int num_packets;

drivers/usb/dwc2/hw.h

+1 −1
Original line number Diff line number Diff line
@@ -820,6 +820,7 @@ struct dwc2_dma_desc { 
#define HOST_DMA_ISOC_NBYTES_SHIFT	0

#define HOST_DMA_NBYTES_MASK		(0x1ffff << 0)

#define HOST_DMA_NBYTES_SHIFT		0

#define HOST_DMA_NBYTES_LIMIT		131071



/* Device Mode DMA descriptor status quadlet */
@@ -856,7 +857,6 @@ struct dwc2_dma_desc { 
#define DEV_DMA_NBYTES_SHIFT		0

#define DEV_DMA_NBYTES_LIMIT		0xffff



#define MAX_DMA_DESC_SIZE		131071

#define MAX_DMA_DESC_NUM_GENERIC	64

#define MAX_DMA_DESC_NUM_HS_ISOC	256