commit: http://blackfin.uclinux.org/git/?p=linux-kernel;a=commitdiff;h=733d6314a43a5ae4d96e231352d7fd14b23c4746 branch: http://blackfin.uclinux.org/git/?p=linux-kernel;a=shortlog;h=refs/heads/trunk
Fix MUSB_TXMAXP during host tx mode for blackfin by dorpping double_buffer_not_ok else kernel will hang while using dma mode0. Signed-off-by: Bob Liu <[email protected]> --- drivers/usb/musb/musb_host.c | 7 +------ 1 files changed, 1 insertions(+), 6 deletions(-) diff --git a/drivers/usb/musb/musb_host.c b/drivers/usb/musb/musb_host.c index 9fdbfec..69bbc64 100644 --- a/drivers/usb/musb/musb_host.c +++ b/drivers/usb/musb/musb_host.c @@ -790,12 +790,7 @@ static void musb_ep_program(struct musb *musb, u8 epnum, /* protocol/endpoint/interval/NAKlimit */ if (epnum) { musb_writeb(epio, MUSB_TXTYPE, qh->type_reg); - if (musb->double_buffer_not_ok) - musb_writew(epio, MUSB_TXMAXP, - hw_ep->max_packet_sz_tx); - else - musb_writew(epio, MUSB_TXMAXP, - qh->maxpacket | + musb_writew(epio, MUSB_TXMAXP, qh->maxpacket | ((qh->hb_mult - 1) << 11)); musb_writeb(epio, MUSB_TXINTERVAL, qh->intv_reg); } else {
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