Hello.
Anil Shetty wrote:
Add support for MUSB Host DMA transfers greater than MUSBHSDMA max
channel length, so that transfers greater than max channel length
won't be truncated.
Signed-off-by: Anil Shetty <anil@xxxxxx>
Cc: Felipe Balbi <balbi@xxxxxx>
[...]
diff --git a/drivers/usb/musb/musb_host.c b/drivers/usb/musb/musb_host.c
index 07b1243..081825c 100644
--- a/drivers/usb/musb/musb_host.c
+++ b/drivers/usb/musb/musb_host.c
[...]
@@ -1278,7 +1279,7 @@ void musb_host_tx(struct musb *musb, u8 epnum)
offset = d->offset;
length = d->length;
}
- } else if (dma) {
+ } else if (dma && (urb->transfer_buffer_length == qh->offset)) {
Parens not necessary here (but I've already noted that).
@@ -1310,7 +1312,7 @@ void musb_host_tx(struct musb *musb, u8 epnum)
urb->actual_length = qh->offset;
musb_advance_schedule(musb, urb, hw_ep, USB_DIR_OUT);
return;
- } else if (usb_pipeisoc(pipe) && dma) {
+ } else if ((usb_pipeisoc(pipe) && dma) || (transfer_pending && dma)) {
This can be expressed in a shorter way:
} else if ((usb_pipeisoc(pipe) || transfer_pending) && dma)) {
WBR, Sergei
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