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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
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+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;
+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