diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-06-08 21:27:51 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-06-08 21:27:51 -0700 |
| commit | 141dc40ee343ab532717b235dd645e2d25ae3092 (patch) | |
| tree | 2289e5d1ec20df5e465b9b629e291877f4d70485 /drivers/usb/musb | |
| parent | 1c83d94ff646001f9ee83f0330a3933b55660927 (diff) | |
| parent | 317ddd256b9c24b0d78fa8018f80f1e495481a10 (diff) | |
Merge 3.10-rc5 into usb-next
We need the changes in this branch.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/musb')
| -rw-r--r-- | drivers/usb/musb/musb_host.c | 18 | ||||
| -rw-r--r-- | drivers/usb/musb/musb_host.h | 1 |
2 files changed, 9 insertions, 10 deletions
diff --git a/drivers/usb/musb/musb_host.c b/drivers/usb/musb/musb_host.c index 85ed11e04f3..4211e554094 100644 --- a/drivers/usb/musb/musb_host.c +++ b/drivers/usb/musb/musb_host.c @@ -1231,7 +1231,6 @@ void musb_host_tx(struct musb *musb, u8 epnum) void __iomem *mbase = musb->mregs; struct dma_channel *dma; bool transfer_pending = false; - static bool use_sg; musb_ep_select(mbase, epnum); tx_csr = musb_readw(epio, MUSB_TXCSR); @@ -1462,9 +1461,9 @@ done: * NULL. */ if (!urb->transfer_buffer) - use_sg = true; + qh->use_sg = true; - if (use_sg) { + if (qh->use_sg) { /* sg_miter_start is already done in musb_ep_program */ if (!sg_miter_next(&qh->sg_miter)) { dev_err(musb->controller, "error: sg list empty\n"); @@ -1483,9 +1482,9 @@ done: qh->segsize = length; - if (use_sg) { + if (qh->use_sg) { if (offset + length >= urb->transfer_buffer_length) - use_sg = false; + qh->use_sg = false; } musb_ep_select(mbase, epnum); @@ -1551,7 +1550,6 @@ void musb_host_rx(struct musb *musb, u8 epnum) bool done = false; u32 status; struct dma_channel *dma; - static bool use_sg; unsigned int sg_flags = SG_MITER_ATOMIC | SG_MITER_TO_SG; musb_ep_select(mbase, epnum); @@ -1877,12 +1875,12 @@ void musb_host_rx(struct musb *musb, u8 epnum) * NULL. */ if (!urb->transfer_buffer) { - use_sg = true; + qh->use_sg = true; sg_miter_start(&qh->sg_miter, urb->sg, 1, sg_flags); } - if (use_sg) { + if (qh->use_sg) { if (!sg_miter_next(&qh->sg_miter)) { dev_err(musb->controller, "error: sg list empty\n"); sg_miter_stop(&qh->sg_miter); @@ -1912,8 +1910,8 @@ finish: urb->actual_length += xfer_len; qh->offset += xfer_len; if (done) { - if (use_sg) - use_sg = false; + if (qh->use_sg) + qh->use_sg = false; if (urb->status == -EINPROGRESS) urb->status = status; diff --git a/drivers/usb/musb/musb_host.h b/drivers/usb/musb/musb_host.h index 5a9c8feec10..738f7eb60df 100644 --- a/drivers/usb/musb/musb_host.h +++ b/drivers/usb/musb/musb_host.h @@ -74,6 +74,7 @@ struct musb_qh { u16 frame; /* for periodic schedule */ unsigned iso_idx; /* in urb->iso_frame_desc[] */ struct sg_mapping_iter sg_miter; /* for highmem in PIO mode */ + bool use_sg; /* to track urb using sglist */ }; /* map from control or bulk queue head to the first qh on that ring */ |