diff options
author | Bin Liu <b-liu@ti.com> | 2016-06-30 19:12:22 +0200 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-07-17 01:23:57 +0200 |
commit | b99d3659b309b358e5b789e644b046d6721c9da4 (patch) | |
tree | 48996517c4f4a56f6221e4ecc09bd1699e2598be /drivers/usb/musb/cppi_dma.c | |
parent | usb: musb: add tracepoints support for debugging (diff) | |
download | linux-b99d3659b309b358e5b789e644b046d6721c9da4.tar.xz linux-b99d3659b309b358e5b789e644b046d6721c9da4.zip |
usb: musb: switch dev_dbg to tracepoints
Switch dev_dbg() to tracepoint debug musb_dbg().
Signed-off-by: Bin Liu <b-liu@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/musb/cppi_dma.c')
-rw-r--r-- | drivers/usb/musb/cppi_dma.c | 50 |
1 files changed, 24 insertions, 26 deletions
diff --git a/drivers/usb/musb/cppi_dma.c b/drivers/usb/musb/cppi_dma.c index cc134109b056..5da93ece9cd1 100644 --- a/drivers/usb/musb/cppi_dma.c +++ b/drivers/usb/musb/cppi_dma.c @@ -232,7 +232,7 @@ static void cppi_controller_stop(struct cppi *controller) musb_writel(tibase, DAVINCI_RXCPPI_INTCLR_REG, DAVINCI_DMA_ALL_CHANNELS_ENABLE); - dev_dbg(musb->controller, "Tearing down RX and TX Channels\n"); + musb_dbg(musb, "Tearing down RX and TX Channels"); for (i = 0; i < ARRAY_SIZE(controller->tx); i++) { /* FIXME restructure of txdma to use bds like rxdma */ controller->tx[i].last_processed = NULL; @@ -297,13 +297,13 @@ cppi_channel_allocate(struct dma_controller *c, */ if (transmit) { if (index >= ARRAY_SIZE(controller->tx)) { - dev_dbg(musb->controller, "no %cX%d CPPI channel\n", 'T', index); + musb_dbg(musb, "no %cX%d CPPI channel", 'T', index); return NULL; } cppi_ch = controller->tx + index; } else { if (index >= ARRAY_SIZE(controller->rx)) { - dev_dbg(musb->controller, "no %cX%d CPPI channel\n", 'R', index); + musb_dbg(musb, "no %cX%d CPPI channel", 'R', index); return NULL; } cppi_ch = controller->rx + index; @@ -314,13 +314,13 @@ cppi_channel_allocate(struct dma_controller *c, * with the other DMA engine too */ if (cppi_ch->hw_ep) - dev_dbg(musb->controller, "re-allocating DMA%d %cX channel %p\n", + musb_dbg(musb, "re-allocating DMA%d %cX channel %p", index, transmit ? 'T' : 'R', cppi_ch); cppi_ch->hw_ep = ep; cppi_ch->channel.status = MUSB_DMA_STATUS_FREE; cppi_ch->channel.max_len = 0x7fffffff; - dev_dbg(musb->controller, "Allocate CPPI%d %cX\n", index, transmit ? 'T' : 'R'); + musb_dbg(musb, "Allocate CPPI%d %cX", index, transmit ? 'T' : 'R'); return &cppi_ch->channel; } @@ -335,8 +335,8 @@ static void cppi_channel_release(struct dma_channel *channel) c = container_of(channel, struct cppi_channel, channel); tibase = c->controller->tibase; if (!c->hw_ep) - dev_dbg(c->controller->musb->controller, - "releasing idle DMA channel %p\n", c); + musb_dbg(c->controller->musb, + "releasing idle DMA channel %p", c); else if (!c->transmit) core_rxirq_enable(tibase, c->index + 1); @@ -354,11 +354,10 @@ cppi_dump_rx(int level, struct cppi_channel *c, const char *tag) musb_ep_select(base, c->index + 1); - dev_dbg(c->controller->musb->controller, + musb_dbg(c->controller->musb, "RX DMA%d%s: %d left, csr %04x, " "%08x H%08x S%08x C%08x, " - "B%08x L%08x %08x .. %08x" - "\n", + "B%08x L%08x %08x .. %08x", c->index, tag, musb_readl(c->controller->tibase, DAVINCI_RXCPPI_BUFCNT0_REG + 4 * c->index), @@ -385,11 +384,10 @@ cppi_dump_tx(int level, struct cppi_channel *c, const char *tag) musb_ep_select(base, c->index + 1); - dev_dbg(c->controller->musb->controller, + musb_dbg(c->controller->musb, "TX DMA%d%s: csr %04x, " "H%08x S%08x C%08x %08x, " - "F%08x L%08x .. %08x" - "\n", + "F%08x L%08x .. %08x", c->index, tag, musb_readw(c->hw_ep->regs, MUSB_TXCSR), @@ -590,7 +588,7 @@ cppi_next_tx_segment(struct musb *musb, struct cppi_channel *tx) length = min(n_bds * maxpacket, length); } - dev_dbg(musb->controller, "TX DMA%d, pktSz %d %s bds %d dma 0x%llx len %u\n", + musb_dbg(musb, "TX DMA%d, pktSz %d %s bds %d dma 0x%llx len %u", tx->index, maxpacket, rndis ? "rndis" : "transparent", @@ -647,7 +645,7 @@ cppi_next_tx_segment(struct musb *musb, struct cppi_channel *tx) bd->hw_options |= CPPI_ZERO_SET; } - dev_dbg(musb->controller, "TXBD %p: nxt %08x buf %08x len %04x opt %08x\n", + musb_dbg(musb, "TXBD %p: nxt %08x buf %08x len %04x opt %08x", bd, bd->hw_next, bd->hw_bufp, bd->hw_off_len, bd->hw_options); @@ -813,8 +811,8 @@ cppi_next_rx_segment(struct musb *musb, struct cppi_channel *rx, int onepacket) length = min(n_bds * maxpacket, length); - dev_dbg(musb->controller, "RX DMA%d seg, maxp %d %s bds %d (cnt %d) " - "dma 0x%llx len %u %u/%u\n", + musb_dbg(musb, "RX DMA%d seg, maxp %d %s bds %d (cnt %d) " + "dma 0x%llx len %u %u/%u", rx->index, maxpacket, onepacket ? (is_rndis ? "rndis" : "onepacket") @@ -924,7 +922,7 @@ cppi_next_rx_segment(struct musb *musb, struct cppi_channel *rx, int onepacket) DAVINCI_RXCPPI_BUFCNT0_REG + (rx->index * 4)) & 0xffff; if (i < (2 + n_bds)) { - dev_dbg(musb->controller, "bufcnt%d underrun - %d (for %d)\n", + musb_dbg(musb, "bufcnt%d underrun - %d (for %d)", rx->index, i, n_bds); musb_writel(tibase, DAVINCI_RXCPPI_BUFCNT0_REG + (rx->index * 4), @@ -973,7 +971,7 @@ static int cppi_channel_program(struct dma_channel *ch, /* WARN_ON(1); */ break; case MUSB_DMA_STATUS_UNKNOWN: - dev_dbg(musb->controller, "%cX DMA%d not allocated!\n", + musb_dbg(musb, "%cX DMA%d not allocated!", cppi_ch->transmit ? 'T' : 'R', cppi_ch->index); /* FALLTHROUGH */ @@ -1029,8 +1027,8 @@ static bool cppi_rx_scan(struct cppi *cppi, unsigned ch) if (!completed && (bd->hw_options & CPPI_OWN_SET)) break; - dev_dbg(musb->controller, "C/RXBD %llx: nxt %08x buf %08x " - "off.len %08x opt.len %08x (%d)\n", + musb_dbg(musb, "C/RXBD %llx: nxt %08x buf %08x " + "off.len %08x opt.len %08x (%d)", (unsigned long long)bd->dma, bd->hw_next, bd->hw_bufp, bd->hw_off_len, bd->hw_options, rx->channel.actual_len); @@ -1051,7 +1049,7 @@ static bool cppi_rx_scan(struct cppi *cppi, unsigned ch) * CPPI ignores those BDs even though OWN is still set. */ completed = true; - dev_dbg(musb->controller, "rx short %d/%d (%d)\n", + musb_dbg(musb, "rx short %d/%d (%d)", len, bd->buflen, rx->channel.actual_len); } @@ -1101,7 +1099,7 @@ static bool cppi_rx_scan(struct cppi *cppi, unsigned ch) musb_ep_select(cppi->mregs, rx->index + 1); csr = musb_readw(regs, MUSB_RXCSR); if (csr & MUSB_RXCSR_DMAENAB) { - dev_dbg(musb->controller, "list%d %p/%p, last %llx%s, csr %04x\n", + musb_dbg(musb, "list%d %p/%p, last %llx%s, csr %04x", rx->index, rx->head, rx->tail, rx->last_processed @@ -1164,7 +1162,7 @@ irqreturn_t cppi_interrupt(int irq, void *dev_id) return IRQ_NONE; } - dev_dbg(musb->controller, "CPPI IRQ Tx%x Rx%x\n", tx, rx); + musb_dbg(musb, "CPPI IRQ Tx%x Rx%x", tx, rx); /* process TX channels */ for (index = 0; tx; tx = tx >> 1, index++) { @@ -1192,7 +1190,7 @@ irqreturn_t cppi_interrupt(int irq, void *dev_id) * that needs to be acknowledged. */ if (NULL == bd) { - dev_dbg(musb->controller, "null BD\n"); + musb_dbg(musb, "null BD"); musb_writel(&tx_ram->tx_complete, 0, 0); continue; } @@ -1207,7 +1205,7 @@ irqreturn_t cppi_interrupt(int irq, void *dev_id) if (bd->hw_options & CPPI_OWN_SET) break; - dev_dbg(musb->controller, "C/TXBD %p n %x b %x off %x opt %x\n", + musb_dbg(musb, "C/TXBD %p n %x b %x off %x opt %x", bd, bd->hw_next, bd->hw_bufp, bd->hw_off_len, bd->hw_options); |