diff options
author | Bin Liu <b-liu@ti.com> | 2016-06-30 12:12:30 -0500 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-07-17 08:23:57 +0900 |
commit | 8ccb49dd5cdeb7bc1c12580698ffec9619fea14d (patch) | |
tree | 33291a3b0bd953a512cac6ecdeb494660b33db41 /drivers/usb/musb/musb_cppi41.c | |
parent | 239d2218108a5af7f6ffbd0752677ab46f8705be (diff) | |
download | op-kernel-dev-8ccb49dd5cdeb7bc1c12580698ffec9619fea14d.zip op-kernel-dev-8ccb49dd5cdeb7bc1c12580698ffec9619fea14d.tar.gz |
usb: musb: cppi41: add dma channel tracepoints
Add tracepoints for cppi41 dma channels.
Signed-off-by: Bin Liu <b-liu@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/musb/musb_cppi41.c')
-rw-r--r-- | drivers/usb/musb/musb_cppi41.c | 22 |
1 files changed, 10 insertions, 12 deletions
diff --git a/drivers/usb/musb/musb_cppi41.c b/drivers/usb/musb/musb_cppi41.c index 602a230..d4d7c56 100644 --- a/drivers/usb/musb/musb_cppi41.c +++ b/drivers/usb/musb/musb_cppi41.c @@ -7,6 +7,7 @@ #include "cppi_dma.h" #include "musb_core.h" +#include "musb_trace.h" #define RNDIS_REG(x) (0x80 + ((x - 1) * 4)) @@ -126,6 +127,8 @@ static void cppi41_trans_done(struct cppi41_dma_channel *cppi41_channel) csr = MUSB_TXCSR_MODE | MUSB_TXCSR_TXPKTRDY; musb_writew(epio, MUSB_TXCSR, csr); } + + trace_musb_cppi41_done(cppi41_channel); musb_dma_completion(musb, hw_ep->epnum, cppi41_channel->is_tx); } else { /* next iteration, reload */ @@ -154,6 +157,7 @@ static void cppi41_trans_done(struct cppi41_dma_channel *cppi41_channel) dma_desc->callback = cppi41_dma_callback; dma_desc->callback_param = &cppi41_channel->channel; cppi41_channel->cookie = dma_desc->tx_submit(dma_desc); + trace_musb_cppi41_cont(cppi41_channel); dma_async_issue_pending(dc); if (!cppi41_channel->is_tx) { @@ -221,10 +225,7 @@ static void cppi41_dma_callback(void *private_data) transferred = cppi41_channel->prog_len - txstate.residue; cppi41_channel->transferred += transferred; - musb_dbg(musb, "DMA transfer done on hw_ep=%d bytes=%d/%d", - hw_ep->epnum, cppi41_channel->transferred, - cppi41_channel->total_len); - + trace_musb_cppi41_gb(cppi41_channel); update_rx_toggle(cppi41_channel); if (cppi41_channel->transferred == cppi41_channel->total_len || @@ -355,12 +356,6 @@ static bool cppi41_configure_channel(struct dma_channel *channel, struct musb *musb = cppi41_channel->controller->musb; unsigned use_gen_rndis = 0; - musb_dbg(musb, - "configure ep%d/%x packet_sz=%d, mode=%d, dma_addr=0x%llx, len=%d is_tx=%d", - cppi41_channel->port_num, RNDIS_REG(cppi41_channel->port_num), - packet_sz, mode, (unsigned long long) dma_addr, - len, cppi41_channel->is_tx); - cppi41_channel->buf_addr = dma_addr; cppi41_channel->total_len = len; cppi41_channel->transferred = 0; @@ -412,6 +407,8 @@ static bool cppi41_configure_channel(struct dma_channel *channel, cppi41_channel->cookie = dma_desc->tx_submit(dma_desc); cppi41_channel->channel.rx_packet_done = false; + trace_musb_cppi41_config(cppi41_channel); + save_rx_toggle(cppi41_channel); dma_async_issue_pending(dc); return true; @@ -442,6 +439,7 @@ static struct dma_channel *cppi41_dma_channel_allocate(struct dma_controller *c, cppi41_channel->hw_ep = hw_ep; cppi41_channel->is_allocated = 1; + trace_musb_cppi41_alloc(cppi41_channel); return &cppi41_channel->channel; } @@ -449,6 +447,7 @@ static void cppi41_dma_channel_release(struct dma_channel *channel) { struct cppi41_dma_channel *cppi41_channel = channel->private_data; + trace_musb_cppi41_free(cppi41_channel); if (cppi41_channel->is_allocated) { cppi41_channel->is_allocated = 0; channel->status = MUSB_DMA_STATUS_FREE; @@ -518,8 +517,7 @@ static int cppi41_dma_channel_abort(struct dma_channel *channel) u16 csr; is_tx = cppi41_channel->is_tx; - musb_dbg(musb, "abort channel=%d, is_tx=%d", - cppi41_channel->port_num, is_tx); + trace_musb_cppi41_abort(cppi41_channel); if (cppi41_channel->channel.status == MUSB_DMA_STATUS_FREE) return 0; |