On Mon, Mar 28, 2011 at 05:06, Mike Frysinger wrote:
> so in common code:
> --- a/drivers/usb/musb/musb_host.c
> +++ b/drivers/usb/musb/musb_host.c
we also tweak musb_gadget.c in the same way for the same reason, so
handling inside of channel_program() seems like the saner route.
--- a/drivers/usb/musb/musb_gadget.c
+++ b/drivers/usb/musb/musb_gadget.c
@@ -380,7 +380,13 @@ static void txstate(struct musb *musb, struct
musb_request *req)
use_dma = use_dma && c->channel_program(
musb_ep->dma, musb_ep->packet_sz,
musb_ep->dma->desired_mode,
- request->dma + request->actual, request_size);
+ request->dma + request->actual,
+ (musb_ep->dma->desired_mode == 0)
+ ? request_size
+ : (request_size -
+ (request_size %
+ musb_ep->packet_sz)));
+
if (use_dma) {
if (musb_ep->dma->desired_mode == 0) {
/*
@@ -747,7 +753,11 @@ static void rxstate(struct musb *musb, struct
musb_request *req)
channel->desired_mode,
request->dma
+ request->actual,
- transfer_size);
+ (musb_ep->dma->desired_mode == 0)
+ ? transfer_size
+ : (transfer_size -
+ (transfer_size %
+ musb_ep->packet_sz)));
}
if (use_dma)
-mike
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