diff options
Diffstat (limited to 'drivers/usb/musb/cppi_dma.c')
-rw-r--r-- | drivers/usb/musb/cppi_dma.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/usb/musb/cppi_dma.c b/drivers/usb/musb/cppi_dma.c index 5ad6d0893cbe..569ef0fed0f6 100644 --- a/drivers/usb/musb/cppi_dma.c +++ b/drivers/usb/musb/cppi_dma.c | |||
@@ -9,6 +9,7 @@ | |||
9 | #include <linux/usb.h> | 9 | #include <linux/usb.h> |
10 | 10 | ||
11 | #include "musb_core.h" | 11 | #include "musb_core.h" |
12 | #include "musb_debug.h" | ||
12 | #include "cppi_dma.h" | 13 | #include "cppi_dma.h" |
13 | 14 | ||
14 | 15 | ||
@@ -423,6 +424,7 @@ cppi_rndis_update(struct cppi_channel *c, int is_rx, | |||
423 | } | 424 | } |
424 | } | 425 | } |
425 | 426 | ||
427 | #ifdef CONFIG_USB_MUSB_DEBUG | ||
426 | static void cppi_dump_rxbd(const char *tag, struct cppi_descriptor *bd) | 428 | static void cppi_dump_rxbd(const char *tag, struct cppi_descriptor *bd) |
427 | { | 429 | { |
428 | pr_debug("RXBD/%s %08x: " | 430 | pr_debug("RXBD/%s %08x: " |
@@ -431,10 +433,11 @@ static void cppi_dump_rxbd(const char *tag, struct cppi_descriptor *bd) | |||
431 | bd->hw_next, bd->hw_bufp, bd->hw_off_len, | 433 | bd->hw_next, bd->hw_bufp, bd->hw_off_len, |
432 | bd->hw_options); | 434 | bd->hw_options); |
433 | } | 435 | } |
436 | #endif | ||
434 | 437 | ||
435 | static void cppi_dump_rxq(int level, const char *tag, struct cppi_channel *rx) | 438 | static void cppi_dump_rxq(int level, const char *tag, struct cppi_channel *rx) |
436 | { | 439 | { |
437 | #if MUSB_DEBUG > 0 | 440 | #ifdef CONFIG_USB_MUSB_DEBUG |
438 | struct cppi_descriptor *bd; | 441 | struct cppi_descriptor *bd; |
439 | 442 | ||
440 | if (!_dbg_level(level)) | 443 | if (!_dbg_level(level)) |
@@ -881,12 +884,14 @@ cppi_next_rx_segment(struct musb *musb, struct cppi_channel *rx, int onepacket) | |||
881 | bd->hw_options |= CPPI_SOP_SET; | 884 | bd->hw_options |= CPPI_SOP_SET; |
882 | tail->hw_options |= CPPI_EOP_SET; | 885 | tail->hw_options |= CPPI_EOP_SET; |
883 | 886 | ||
884 | if (debug >= 5) { | 887 | #ifdef CONFIG_USB_MUSB_DEBUG |
888 | if (_dbg_level(5)) { | ||
885 | struct cppi_descriptor *d; | 889 | struct cppi_descriptor *d; |
886 | 890 | ||
887 | for (d = rx->head; d; d = d->next) | 891 | for (d = rx->head; d; d = d->next) |
888 | cppi_dump_rxbd("S", d); | 892 | cppi_dump_rxbd("S", d); |
889 | } | 893 | } |
894 | #endif | ||
890 | 895 | ||
891 | /* in case the preceding transfer left some state... */ | 896 | /* in case the preceding transfer left some state... */ |
892 | tail = rx->last_processed; | 897 | tail = rx->last_processed; |
@@ -990,6 +995,7 @@ static int cppi_channel_program(struct dma_channel *ch, | |||
990 | cppi_ch->offset = 0; | 995 | cppi_ch->offset = 0; |
991 | cppi_ch->maxpacket = maxpacket; | 996 | cppi_ch->maxpacket = maxpacket; |
992 | cppi_ch->buf_len = len; | 997 | cppi_ch->buf_len = len; |
998 | cppi_ch->channel.actual_len = 0; | ||
993 | 999 | ||
994 | /* TX channel? or RX? */ | 1000 | /* TX channel? or RX? */ |
995 | if (cppi_ch->transmit) | 1001 | if (cppi_ch->transmit) |