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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: Vahram Aharonyan <vahrama@synopsys.com>
Signed-off-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
This commit is contained in:
Vahram Aharonyan 2016-11-09 19:27:58 -08:00 committed by Felipe Balbi
parent 0f6b80c0db
commit 3a1ec35160
2 changed files with 3 additions and 3 deletions
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4
drivers/usb/dwc2/hcd_ddma.c
View File

@ -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;

2
drivers/usb/dwc2/hw.h
View File

@ -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