diff options
author | Koen Kooi <koen@openembedded.org> | 2008-09-30 18:07:43 +0000 |
---|---|---|
committer | Koen Kooi <koen@openembedded.org> | 2008-09-30 18:07:43 +0000 |
commit | 302e925dd73f00efea3aa559b9e2f83eb793c87c (patch) | |
tree | 5528949d21a9b1561ceefcf3dbe818a5a2625d87 /packages/linux/linux-omap/musb-dma-iso-in.eml | |
parent | 8010e8e17d718200683c7bb0f4de90f92c9ffe4d (diff) |
linux-omap git: add patch to fix soft lockups in MUSB code, run dos2unix on remaining musb patches, bump PR, fix PV
Diffstat (limited to 'packages/linux/linux-omap/musb-dma-iso-in.eml')
-rw-r--r-- | packages/linux/linux-omap/musb-dma-iso-in.eml | 276 |
1 files changed, 138 insertions, 138 deletions
diff --git a/packages/linux/linux-omap/musb-dma-iso-in.eml b/packages/linux/linux-omap/musb-dma-iso-in.eml index 8f0a6c5689..56fc827a5d 100644 --- a/packages/linux/linux-omap/musb-dma-iso-in.eml +++ b/packages/linux/linux-omap/musb-dma-iso-in.eml @@ -1,138 +1,138 @@ -Fixes blurred capture images in dma mode. Isochronous error field in
-urb and source data buffer pointer were not updated properly in dma
-mode.
-
-Signed-off-by: Ajay Kumar Gupta <ajay.gupta@ti.com>
----
-diff --git a/drivers/usb/musb/musb_host.c b/drivers/usb/musb/musb_host.c
-index 08e421f..a481d54 100644
---- a/drivers/usb/musb/musb_host.c
-+++ b/drivers/usb/musb/musb_host.c
-@@ -1505,10 +1505,29 @@ void musb_host_rx(struct musb *musb, u8 epnum)
- musb_writew(hw_ep->regs, MUSB_RXCSR, val);
-
- #ifdef CONFIG_USB_INVENTRA_DMA
-+ if (usb_pipeisoc(pipe)) {
-+ struct usb_iso_packet_descriptor *d;
-+
-+ d = urb->iso_frame_desc + qh->iso_idx;
-+ d->actual_length = xfer_len;
-+
-+ /* even if there was an error, we did the dma
-+ * for iso_frame_desc->length
-+ */
-+ if (d->status != EILSEQ && d->status != -EOVERFLOW)
-+ d->status = 0;
-+
-+ if (++qh->iso_idx >= urb->number_of_packets)
-+ done = true;
-+ else
-+ done = false;
-+
-+ } else {
- /* done if urb buffer is full or short packet is recd */
- done = (urb->actual_length + xfer_len >=
- urb->transfer_buffer_length
- || dma->actual_len < qh->maxpacket);
-+ }
-
- /* send IN token for next packet, without AUTOREQ */
- if (!done) {
-@@ -1545,7 +1564,8 @@ void musb_host_rx(struct musb *musb, u8 epnum)
- if (dma) {
- struct dma_controller *c;
- u16 rx_count;
-- int ret;
-+ int ret, length;
-+ dma_addr_t buf;
-
- rx_count = musb_readw(epio, MUSB_RXCOUNT);
-
-@@ -1558,6 +1578,35 @@ void musb_host_rx(struct musb *musb, u8 epnum)
-
- c = musb->dma_controller;
-
-+ if (usb_pipeisoc(pipe)) {
-+ int status = 0;
-+ struct usb_iso_packet_descriptor *d;
-+
-+ d = urb->iso_frame_desc + qh->iso_idx;
-+
-+ if (iso_err) {
-+ status = -EILSEQ;
-+ urb->error_count++;
-+ }
-+ if (rx_count > d->length) {
-+ if (status == 0) {
-+ status = -EOVERFLOW;
-+ urb->error_count++;
-+ }
-+ DBG(2, "** OVERFLOW %d into %d\n",\
-+ rx_count, d->length);
-+
-+ length = d->length;
-+ } else
-+ length = rx_count;
-+ d->status = status;
-+ buf = urb->transfer_dma + d->offset;
-+ } else {
-+ length = rx_count;
-+ buf = urb->transfer_dma +
-+ urb->actual_length;
-+ }
-+
- dma->desired_mode = 0;
- #ifdef USE_MODE1
- /* because of the issue below, mode 1 will
-@@ -1569,6 +1618,12 @@ void musb_host_rx(struct musb *musb, u8 epnum)
- urb->actual_length)
- > qh->maxpacket)
- dma->desired_mode = 1;
-+ if (rx_count < hw_ep->max_packet_sz_rx) {
-+ length = rx_count;
-+ dma->bDesiredMode = 0;
-+ } else {
-+ length = urb->transfer_buffer_length;
-+ }
- #endif
-
- /* Disadvantage of using mode 1:
-@@ -1606,12 +1661,7 @@ void musb_host_rx(struct musb *musb, u8 epnum)
- */
- ret = c->channel_program(
- dma, qh->maxpacket,
-- dma->desired_mode,
-- urb->transfer_dma
-- + urb->actual_length,
-- (dma->desired_mode == 0)
-- ? rx_count
-- : urb->transfer_buffer_length);
-+ dma->desired_mode, buf, length);
-
- if (!ret) {
- c->channel_release(dma);
-@@ -1628,19 +1678,6 @@ void musb_host_rx(struct musb *musb, u8 epnum)
- }
- }
-
-- if (dma && usb_pipeisoc(pipe)) {
-- struct usb_iso_packet_descriptor *d;
-- int iso_stat = status;
--
-- d = urb->iso_frame_desc + qh->iso_idx;
-- d->actual_length += xfer_len;
-- if (iso_err) {
-- iso_stat = -EILSEQ;
-- urb->error_count++;
-- }
-- d->status = iso_stat;
-- }
--
- finish:
- urb->actual_length += xfer_len;
- qh->offset += xfer_len;
---
-To unsubscribe from this list: send the line "unsubscribe linux-omap" in
-the body of a message to majordomo@vger.kernel.org
-More majordomo info at http://vger.kernel.org/majordomo-info.html
-
+Fixes blurred capture images in dma mode. Isochronous error field in +urb and source data buffer pointer were not updated properly in dma +mode. + +Signed-off-by: Ajay Kumar Gupta <ajay.gupta@ti.com> +--- +diff --git a/drivers/usb/musb/musb_host.c b/drivers/usb/musb/musb_host.c +index 08e421f..a481d54 100644 +--- a/drivers/usb/musb/musb_host.c ++++ b/drivers/usb/musb/musb_host.c +@@ -1505,10 +1505,29 @@ void musb_host_rx(struct musb *musb, u8 epnum) + musb_writew(hw_ep->regs, MUSB_RXCSR, val); + + #ifdef CONFIG_USB_INVENTRA_DMA ++ if (usb_pipeisoc(pipe)) { ++ struct usb_iso_packet_descriptor *d; ++ ++ d = urb->iso_frame_desc + qh->iso_idx; ++ d->actual_length = xfer_len; ++ ++ /* even if there was an error, we did the dma ++ * for iso_frame_desc->length ++ */ ++ if (d->status != EILSEQ && d->status != -EOVERFLOW) ++ d->status = 0; ++ ++ if (++qh->iso_idx >= urb->number_of_packets) ++ done = true; ++ else ++ done = false; ++ ++ } else { + /* done if urb buffer is full or short packet is recd */ + done = (urb->actual_length + xfer_len >= + urb->transfer_buffer_length + || dma->actual_len < qh->maxpacket); ++ } + + /* send IN token for next packet, without AUTOREQ */ + if (!done) { +@@ -1545,7 +1564,8 @@ void musb_host_rx(struct musb *musb, u8 epnum) + if (dma) { + struct dma_controller *c; + u16 rx_count; +- int ret; ++ int ret, length; ++ dma_addr_t buf; + + rx_count = musb_readw(epio, MUSB_RXCOUNT); + +@@ -1558,6 +1578,35 @@ void musb_host_rx(struct musb *musb, u8 epnum) + + c = musb->dma_controller; + ++ if (usb_pipeisoc(pipe)) { ++ int status = 0; ++ struct usb_iso_packet_descriptor *d; ++ ++ d = urb->iso_frame_desc + qh->iso_idx; ++ ++ if (iso_err) { ++ status = -EILSEQ; ++ urb->error_count++; ++ } ++ if (rx_count > d->length) { ++ if (status == 0) { ++ status = -EOVERFLOW; ++ urb->error_count++; ++ } ++ DBG(2, "** OVERFLOW %d into %d\n",\ ++ rx_count, d->length); ++ ++ length = d->length; ++ } else ++ length = rx_count; ++ d->status = status; ++ buf = urb->transfer_dma + d->offset; ++ } else { ++ length = rx_count; ++ buf = urb->transfer_dma + ++ urb->actual_length; ++ } ++ + dma->desired_mode = 0; + #ifdef USE_MODE1 + /* because of the issue below, mode 1 will +@@ -1569,6 +1618,12 @@ void musb_host_rx(struct musb *musb, u8 epnum) + urb->actual_length) + > qh->maxpacket) + dma->desired_mode = 1; ++ if (rx_count < hw_ep->max_packet_sz_rx) { ++ length = rx_count; ++ dma->bDesiredMode = 0; ++ } else { ++ length = urb->transfer_buffer_length; ++ } + #endif + + /* Disadvantage of using mode 1: +@@ -1606,12 +1661,7 @@ void musb_host_rx(struct musb *musb, u8 epnum) + */ + ret = c->channel_program( + dma, qh->maxpacket, +- dma->desired_mode, +- urb->transfer_dma +- + urb->actual_length, +- (dma->desired_mode == 0) +- ? rx_count +- : urb->transfer_buffer_length); ++ dma->desired_mode, buf, length); + + if (!ret) { + c->channel_release(dma); +@@ -1628,19 +1678,6 @@ void musb_host_rx(struct musb *musb, u8 epnum) + } + } + +- if (dma && usb_pipeisoc(pipe)) { +- struct usb_iso_packet_descriptor *d; +- int iso_stat = status; +- +- d = urb->iso_frame_desc + qh->iso_idx; +- d->actual_length += xfer_len; +- if (iso_err) { +- iso_stat = -EILSEQ; +- urb->error_count++; +- } +- d->status = iso_stat; +- } +- + finish: + urb->actual_length += xfer_len; + qh->offset += xfer_len; +-- +To unsubscribe from this list: send the line "unsubscribe linux-omap" in +the body of a message to majordomo@vger.kernel.org +More majordomo info at http://vger.kernel.org/majordomo-info.html + |