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author | Tomoya MORINAGA <tomoya-linux@dsn.okisemi.com> | 2011-02-23 02:03:15 +0100 |
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committer | Greg Kroah-Hartman <gregkh@suse.de> | 2011-02-23 02:22:03 +0100 |
commit | 23877fdc6df3306037d81d2ac71c2d6e26ec08f4 (patch) | |
tree | 2ae96a2839058a38afc5985da6b5f229c8fc4bfe /drivers/tty | |
parent | pch_uart : Reduce memcpy (diff) | |
download | linux-23877fdc6df3306037d81d2ac71c2d6e26ec08f4.tar.xz linux-23877fdc6df3306037d81d2ac71c2d6e26ec08f4.zip |
pch_uart : Use dev_xxx not pr_xxx
For easy to understad which port the message is out,
replace pr_xxx with dev_xxx.
Signed-off-by: Tomoya MORINAGA <tomoya-linux@dsn.okisemi.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/tty')
-rw-r--r-- | drivers/tty/serial/pch_uart.c | 77 |
1 files changed, 49 insertions, 28 deletions
diff --git a/drivers/tty/serial/pch_uart.c b/drivers/tty/serial/pch_uart.c index 0e171b8f0700..68855351c76e 100644 --- a/drivers/tty/serial/pch_uart.c +++ b/drivers/tty/serial/pch_uart.c @@ -282,7 +282,7 @@ static int pch_uart_hal_set_line(struct eg20t_port *priv, int baud, div = DIV_ROUND(priv->base_baud / 16, baud); if (div < 0 || USHRT_MAX <= div) { - pr_err("Invalid Baud(div=0x%x)\n", div); + dev_err(priv->port.dev, "Invalid Baud(div=0x%x)\n", div); return -EINVAL; } @@ -290,17 +290,17 @@ static int pch_uart_hal_set_line(struct eg20t_port *priv, int baud, dlm = ((unsigned int)div >> 8) & 0x00FFU; if (parity & ~(PCH_UART_LCR_PEN | PCH_UART_LCR_EPS | PCH_UART_LCR_SP)) { - pr_err("Invalid parity(0x%x)\n", parity); + dev_err(priv->port.dev, "Invalid parity(0x%x)\n", parity); return -EINVAL; } if (bits & ~PCH_UART_LCR_WLS) { - pr_err("Invalid bits(0x%x)\n", bits); + dev_err(priv->port.dev, "Invalid bits(0x%x)\n", bits); return -EINVAL; } if (stb & ~PCH_UART_LCR_STB) { - pr_err("Invalid STB(0x%x)\n", stb); + dev_err(priv->port.dev, "Invalid STB(0x%x)\n", stb); return -EINVAL; } @@ -308,7 +308,7 @@ static int pch_uart_hal_set_line(struct eg20t_port *priv, int baud, lcr |= bits; lcr |= stb; - pr_debug("%s:baud = %d, div = %04x, lcr = %02x (%lu)\n", + dev_dbg(priv->port.dev, "%s:baud = %d, div = %04x, lcr = %02x (%lu)\n", __func__, baud, div, lcr, jiffies); iowrite8(PCH_UART_LCR_DLAB, priv->membase + UART_LCR); iowrite8(dll, priv->membase + PCH_UART_DLL); @@ -322,7 +322,8 @@ static int pch_uart_hal_fifo_reset(struct eg20t_port *priv, unsigned int flag) { if (flag & ~(PCH_UART_FCR_TFR | PCH_UART_FCR_RFR)) { - pr_err("%s:Invalid flag(0x%x)\n", __func__, flag); + dev_err(priv->port.dev, "%s:Invalid flag(0x%x)\n", + __func__, flag); return -EINVAL; } @@ -341,17 +342,20 @@ static int pch_uart_hal_set_fifo(struct eg20t_port *priv, u8 fcr; if (dmamode & ~PCH_UART_FCR_DMS) { - pr_err("%s:Invalid DMA Mode(0x%x)\n", __func__, dmamode); + dev_err(priv->port.dev, "%s:Invalid DMA Mode(0x%x)\n", + __func__, dmamode); return -EINVAL; } if (fifo_size & ~(PCH_UART_FCR_FIFOE | PCH_UART_FCR_FIFO256)) { - pr_err("%s:Invalid FIFO SIZE(0x%x)\n", __func__, fifo_size); + dev_err(priv->port.dev, "%s:Invalid FIFO SIZE(0x%x)\n", + __func__, fifo_size); return -EINVAL; } if (trigger & ~PCH_UART_FCR_RFTL) { - pr_err("%s:Invalid TRIGGER(0x%x)\n", __func__, trigger); + dev_err(priv->port.dev, "%s:Invalid TRIGGER(0x%x)\n", + __func__, trigger); return -EINVAL; } @@ -455,7 +459,7 @@ static int push_rx(struct eg20t_port *priv, const unsigned char *buf, port = &priv->port; tty = tty_port_tty_get(&port->state->port); if (!tty) { - pr_debug("%s:tty is busy now", __func__); + dev_dbg(priv->port.dev, "%s:tty is busy now", __func__); return -EBUSY; } @@ -472,8 +476,8 @@ static int pop_tx_x(struct eg20t_port *priv, unsigned char *buf) struct uart_port *port = &priv->port; if (port->x_char) { - pr_debug("%s:X character send %02x (%lu)\n", __func__, - port->x_char, jiffies); + dev_dbg(priv->port.dev, "%s:X character send %02x (%lu)\n", + __func__, port->x_char, jiffies); buf[0] = port->x_char; port->x_char = 0; ret = 1; @@ -493,7 +497,7 @@ static int dma_push_rx(struct eg20t_port *priv, int size) port = &priv->port; tty = tty_port_tty_get(&port->state->port); if (!tty) { - pr_debug("%s:tty is busy now", __func__); + dev_dbg(priv->port.dev, "%s:tty is busy now", __func__); return 0; } @@ -567,7 +571,8 @@ static void pch_request_dma(struct uart_port *port) param->tx_reg = port->mapbase + UART_TX; chan = dma_request_channel(mask, filter, param); if (!chan) { - pr_err("%s:dma_request_channel FAILS(Tx)\n", __func__); + dev_err(priv->port.dev, "%s:dma_request_channel FAILS(Tx)\n", + __func__); return; } priv->chan_tx = chan; @@ -579,7 +584,8 @@ static void pch_request_dma(struct uart_port *port) param->rx_reg = port->mapbase + UART_RX; chan = dma_request_channel(mask, filter, param); if (!chan) { - pr_err("%s:dma_request_channel FAILS(Rx)\n", __func__); + dev_err(priv->port.dev, "%s:dma_request_channel FAILS(Rx)\n", + __func__); dma_release_channel(priv->chan_tx); return; } @@ -598,7 +604,7 @@ static void pch_dma_rx_complete(void *arg) int count; if (!tty) { - pr_debug("%s:tty is busy now", __func__); + dev_dbg(priv->port.dev, "%s:tty is busy now", __func__); return; } @@ -652,7 +658,7 @@ static int pop_tx(struct eg20t_port *priv, int size) } while (!uart_circ_empty(xmit) && count < size); pop_tx_end: - pr_debug("%d characters. Remained %d characters. (%lu)\n", + dev_dbg(priv->port.dev, "%d characters. Remained %d characters.(%lu)\n", count, size - count, jiffies); return count; @@ -728,7 +734,8 @@ static unsigned int handle_tx(struct eg20t_port *priv) int tx_empty; if (!priv->start_tx) { - pr_info("%s:Tx isn't started. (%lu)\n", __func__, jiffies); + dev_info(priv->port.dev, "%s:Tx isn't started. (%lu)\n", + __func__, jiffies); pch_uart_hal_disable_interrupt(priv, PCH_UART_HAL_TX_INT); priv->tx_empty = 1; return 0; @@ -778,7 +785,8 @@ static unsigned int dma_handle_tx(struct eg20t_port *priv) int rem; if (!priv->start_tx) { - pr_info("%s:Tx isn't started. (%lu)\n", __func__, jiffies); + dev_info(priv->port.dev, "%s:Tx isn't started. (%lu)\n", + __func__, jiffies); pch_uart_hal_disable_interrupt(priv, PCH_UART_HAL_TX_INT); priv->tx_empty = 1; return 0; @@ -797,6 +805,7 @@ static unsigned int dma_handle_tx(struct eg20t_port *priv) UART_XMIT_SIZE), CIRC_CNT_TO_END(xmit->head, xmit->tail, UART_XMIT_SIZE)); if (!bytes) { + dev_dbg(priv->port.dev, "%s 0 bytes return\n", __func__); pch_uart_hal_disable_interrupt(priv, PCH_UART_HAL_TX_INT); uart_write_wakeup(port); return 0; @@ -812,6 +821,9 @@ static unsigned int dma_handle_tx(struct eg20t_port *priv) rem = bytes; } + dev_dbg(priv->port.dev, "%s num=%d size=%d rem=%d\n", + __func__, num, size, rem); + priv->tx_dma_use = 1; priv->sg_tx_p = kzalloc(sizeof(struct scatterlist)*num, GFP_ATOMIC); @@ -831,7 +843,7 @@ static unsigned int dma_handle_tx(struct eg20t_port *priv) sg = priv->sg_tx_p; nent = dma_map_sg(port->dev, sg, num, DMA_TO_DEVICE); if (!nent) { - pr_err("%s:dma_map_sg Failed\n", __func__); + dev_err(priv->port.dev, "%s:dma_map_sg Failed\n", __func__); return 0; } priv->nent = nent; @@ -851,7 +863,8 @@ static unsigned int dma_handle_tx(struct eg20t_port *priv) priv->sg_tx_p, nent, DMA_TO_DEVICE, DMA_PREP_INTERRUPT | DMA_CTRL_ACK); if (!desc) { - pr_err("%s:device_prep_slave_sg Failed\n", __func__); + dev_err(priv->port.dev, "%s:device_prep_slave_sg Failed\n", + __func__); return 0; } dma_sync_sg_for_device(port->dev, priv->sg_tx_p, nent, DMA_TO_DEVICE); @@ -935,7 +948,8 @@ static irqreturn_t pch_uart_interrupt(int irq, void *dev_id) ret = PCH_UART_HANDLED_MS_INT; break; default: /* Never junp to this label */ - pr_err("%s:iid=%d (%lu)\n", __func__, iid, jiffies); + dev_err(priv->port.dev, "%s:iid=%d (%lu)\n", __func__, + iid, jiffies); ret = -1; break; } @@ -1024,9 +1038,13 @@ static void pch_uart_start_tx(struct uart_port *port) priv = container_of(port, struct eg20t_port, port); - if (priv->use_dma) - if (priv->tx_dma_use) + if (priv->use_dma) { + if (priv->tx_dma_use) { + dev_dbg(priv->port.dev, "%s : Tx DMA is NOT empty.\n", + __func__); return; + } + } priv->start_tx = 1; pch_uart_hal_enable_interrupt(priv, PCH_UART_HAL_TX_INT); @@ -1142,7 +1160,8 @@ static void pch_uart_shutdown(struct uart_port *port) ret = pch_uart_hal_set_fifo(priv, PCH_UART_HAL_DMA_MODE0, PCH_UART_HAL_FIFO_DIS, PCH_UART_HAL_TRIGGER1); if (ret) - pr_err("pch_uart_hal_set_fifo Failed(ret=%d)\n", ret); + dev_err(priv->port.dev, + "pch_uart_hal_set_fifo Failed(ret=%d)\n", ret); if (priv->use_dma_flag) pch_free_dma(port); @@ -1263,17 +1282,19 @@ static int pch_uart_verify_port(struct uart_port *port, priv = container_of(port, struct eg20t_port, port); if (serinfo->flags & UPF_LOW_LATENCY) { - pr_info("PCH UART : Use PIO Mode (without DMA)\n"); + dev_info(priv->port.dev, + "PCH UART : Use PIO Mode (without DMA)\n"); priv->use_dma = 0; serinfo->flags &= ~UPF_LOW_LATENCY; } else { #ifndef CONFIG_PCH_DMA - pr_err("%s : PCH DMA is not Loaded.\n", __func__); + dev_err(priv->port.dev, "%s : PCH DMA is not Loaded.\n", + __func__); return -EOPNOTSUPP; #endif priv->use_dma = 1; priv->use_dma_flag = 1; - pr_info("PCH UART : Use DMA Mode\n"); + dev_info(priv->port.dev, "PCH UART : Use DMA Mode\n"); } return 0; |