From: Vahram Aharonyan <vahrama@xxxxxxxxxxxx>
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@xxxxxxxxxxxx>
Signed-off-by: John Youn <johnyoun@xxxxxxxxxxxx>
---
drivers/usb/dwc2/hcd_ddma.c | 4 ++--
drivers/usb/dwc2/hw.h | 2 +-
2 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/usb/dwc2/hcd_ddma.c b/drivers/usb/dwc2/hcd_ddma.c
index 70851b9..cf03677 100644
--- a/drivers/usb/dwc2/hcd_ddma.c
+++ b/drivers/usb/dwc2/hcd_ddma.c
@@ -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;
diff --git a/drivers/usb/dwc2/hw.h b/drivers/usb/dwc2/hw.h
index 5fad5a1..0e5bfb3 100644
--- a/drivers/usb/dwc2/hw.h
+++ b/drivers/usb/dwc2/hw.h
@@ -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
--
2.10.0
--
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