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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>
This commit is contained in:
Tomoya MORINAGA
Greg Kroah-Hartman
parent
1822076cf3
commit
23877fdc6d
@ -282,7 +282,7 @@ static int pch_uart_hal_set_line(struct eg20t_port *priv, int baud,
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div = DIV_ROUND(priv->base_baud / 16, baud);
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if (div < 0 || USHRT_MAX <= div) {
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pr_err("Invalid Baud(div=0x%x)\n", div);
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dev_err(priv->port.dev, "Invalid Baud(div=0x%x)\n", div);
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return -EINVAL;
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}
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@ -290,17 +290,17 @@ static int pch_uart_hal_set_line(struct eg20t_port *priv, int baud,
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dlm = ((unsigned int)div >> 8) & 0x00FFU;
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if (parity & ~(PCH_UART_LCR_PEN | PCH_UART_LCR_EPS | PCH_UART_LCR_SP)) {
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pr_err("Invalid parity(0x%x)\n", parity);
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dev_err(priv->port.dev, "Invalid parity(0x%x)\n", parity);
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return -EINVAL;
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}
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if (bits & ~PCH_UART_LCR_WLS) {
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pr_err("Invalid bits(0x%x)\n", bits);
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dev_err(priv->port.dev, "Invalid bits(0x%x)\n", bits);
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return -EINVAL;
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}
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if (stb & ~PCH_UART_LCR_STB) {
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pr_err("Invalid STB(0x%x)\n", stb);
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dev_err(priv->port.dev, "Invalid STB(0x%x)\n", stb);
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return -EINVAL;
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}
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@ -308,7 +308,7 @@ static int pch_uart_hal_set_line(struct eg20t_port *priv, int baud,
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lcr |= bits;
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lcr |= stb;
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pr_debug("%s:baud = %d, div = %04x, lcr = %02x (%lu)\n",
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dev_dbg(priv->port.dev, "%s:baud = %d, div = %04x, lcr = %02x (%lu)\n",
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__func__, baud, div, lcr, jiffies);
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iowrite8(PCH_UART_LCR_DLAB, priv->membase + UART_LCR);
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iowrite8(dll, priv->membase + PCH_UART_DLL);
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@ -322,7 +322,8 @@ static int pch_uart_hal_fifo_reset(struct eg20t_port *priv,
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unsigned int flag)
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{
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if (flag & ~(PCH_UART_FCR_TFR | PCH_UART_FCR_RFR)) {
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pr_err("%s:Invalid flag(0x%x)\n", __func__, flag);
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dev_err(priv->port.dev, "%s:Invalid flag(0x%x)\n",
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__func__, flag);
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return -EINVAL;
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}
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@ -341,17 +342,20 @@ static int pch_uart_hal_set_fifo(struct eg20t_port *priv,
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u8 fcr;
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if (dmamode & ~PCH_UART_FCR_DMS) {
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pr_err("%s:Invalid DMA Mode(0x%x)\n", __func__, dmamode);
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dev_err(priv->port.dev, "%s:Invalid DMA Mode(0x%x)\n",
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__func__, dmamode);
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return -EINVAL;
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}
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if (fifo_size & ~(PCH_UART_FCR_FIFOE | PCH_UART_FCR_FIFO256)) {
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pr_err("%s:Invalid FIFO SIZE(0x%x)\n", __func__, fifo_size);
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dev_err(priv->port.dev, "%s:Invalid FIFO SIZE(0x%x)\n",
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__func__, fifo_size);
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return -EINVAL;
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}
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if (trigger & ~PCH_UART_FCR_RFTL) {
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pr_err("%s:Invalid TRIGGER(0x%x)\n", __func__, trigger);
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dev_err(priv->port.dev, "%s:Invalid TRIGGER(0x%x)\n",
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__func__, trigger);
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return -EINVAL;
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}
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@ -455,7 +459,7 @@ static int push_rx(struct eg20t_port *priv, const unsigned char *buf,
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port = &priv->port;
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tty = tty_port_tty_get(&port->state->port);
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if (!tty) {
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pr_debug("%s:tty is busy now", __func__);
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dev_dbg(priv->port.dev, "%s:tty is busy now", __func__);
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return -EBUSY;
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}
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@ -472,8 +476,8 @@ static int pop_tx_x(struct eg20t_port *priv, unsigned char *buf)
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struct uart_port *port = &priv->port;
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if (port->x_char) {
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pr_debug("%s:X character send %02x (%lu)\n", __func__,
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port->x_char, jiffies);
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dev_dbg(priv->port.dev, "%s:X character send %02x (%lu)\n",
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__func__, port->x_char, jiffies);
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buf[0] = port->x_char;
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port->x_char = 0;
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ret = 1;
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@ -493,7 +497,7 @@ static int dma_push_rx(struct eg20t_port *priv, int size)
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port = &priv->port;
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tty = tty_port_tty_get(&port->state->port);
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if (!tty) {
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pr_debug("%s:tty is busy now", __func__);
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dev_dbg(priv->port.dev, "%s:tty is busy now", __func__);
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return 0;
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}
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@ -567,7 +571,8 @@ static void pch_request_dma(struct uart_port *port)
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param->tx_reg = port->mapbase + UART_TX;
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chan = dma_request_channel(mask, filter, param);
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if (!chan) {
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pr_err("%s:dma_request_channel FAILS(Tx)\n", __func__);
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dev_err(priv->port.dev, "%s:dma_request_channel FAILS(Tx)\n",
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__func__);
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return;
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}
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priv->chan_tx = chan;
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@ -579,7 +584,8 @@ static void pch_request_dma(struct uart_port *port)
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param->rx_reg = port->mapbase + UART_RX;
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chan = dma_request_channel(mask, filter, param);
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if (!chan) {
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pr_err("%s:dma_request_channel FAILS(Rx)\n", __func__);
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dev_err(priv->port.dev, "%s:dma_request_channel FAILS(Rx)\n",
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__func__);
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dma_release_channel(priv->chan_tx);
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return;
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}
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@ -598,7 +604,7 @@ static void pch_dma_rx_complete(void *arg)
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int count;
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if (!tty) {
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pr_debug("%s:tty is busy now", __func__);
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dev_dbg(priv->port.dev, "%s:tty is busy now", __func__);
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return;
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}
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@ -652,7 +658,7 @@ static int pop_tx(struct eg20t_port *priv, int size)
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} while (!uart_circ_empty(xmit) && count < size);
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pop_tx_end:
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pr_debug("%d characters. Remained %d characters. (%lu)\n",
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dev_dbg(priv->port.dev, "%d characters. Remained %d characters.(%lu)\n",
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count, size - count, jiffies);
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return count;
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@ -728,7 +734,8 @@ static unsigned int handle_tx(struct eg20t_port *priv)
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int tx_empty;
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if (!priv->start_tx) {
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pr_info("%s:Tx isn't started. (%lu)\n", __func__, jiffies);
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dev_info(priv->port.dev, "%s:Tx isn't started. (%lu)\n",
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__func__, jiffies);
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pch_uart_hal_disable_interrupt(priv, PCH_UART_HAL_TX_INT);
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priv->tx_empty = 1;
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return 0;
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@ -778,7 +785,8 @@ static unsigned int dma_handle_tx(struct eg20t_port *priv)
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int rem;
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if (!priv->start_tx) {
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pr_info("%s:Tx isn't started. (%lu)\n", __func__, jiffies);
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dev_info(priv->port.dev, "%s:Tx isn't started. (%lu)\n",
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__func__, jiffies);
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pch_uart_hal_disable_interrupt(priv, PCH_UART_HAL_TX_INT);
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priv->tx_empty = 1;
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return 0;
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@ -797,6 +805,7 @@ static unsigned int dma_handle_tx(struct eg20t_port *priv)
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UART_XMIT_SIZE), CIRC_CNT_TO_END(xmit->head,
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xmit->tail, UART_XMIT_SIZE));
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if (!bytes) {
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dev_dbg(priv->port.dev, "%s 0 bytes return\n", __func__);
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pch_uart_hal_disable_interrupt(priv, PCH_UART_HAL_TX_INT);
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uart_write_wakeup(port);
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return 0;
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@ -812,6 +821,9 @@ static unsigned int dma_handle_tx(struct eg20t_port *priv)
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rem = bytes;
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}
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dev_dbg(priv->port.dev, "%s num=%d size=%d rem=%d\n",
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__func__, num, size, rem);
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priv->tx_dma_use = 1;
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priv->sg_tx_p = kzalloc(sizeof(struct scatterlist)*num, GFP_ATOMIC);
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@ -831,7 +843,7 @@ static unsigned int dma_handle_tx(struct eg20t_port *priv)
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sg = priv->sg_tx_p;
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nent = dma_map_sg(port->dev, sg, num, DMA_TO_DEVICE);
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if (!nent) {
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pr_err("%s:dma_map_sg Failed\n", __func__);
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dev_err(priv->port.dev, "%s:dma_map_sg Failed\n", __func__);
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return 0;
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}
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priv->nent = nent;
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@ -851,7 +863,8 @@ static unsigned int dma_handle_tx(struct eg20t_port *priv)
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priv->sg_tx_p, nent, DMA_TO_DEVICE,
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DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
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if (!desc) {
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pr_err("%s:device_prep_slave_sg Failed\n", __func__);
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dev_err(priv->port.dev, "%s:device_prep_slave_sg Failed\n",
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__func__);
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return 0;
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}
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dma_sync_sg_for_device(port->dev, priv->sg_tx_p, nent, DMA_TO_DEVICE);
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@ -935,7 +948,8 @@ static irqreturn_t pch_uart_interrupt(int irq, void *dev_id)
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ret = PCH_UART_HANDLED_MS_INT;
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break;
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default: /* Never junp to this label */
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pr_err("%s:iid=%d (%lu)\n", __func__, iid, jiffies);
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dev_err(priv->port.dev, "%s:iid=%d (%lu)\n", __func__,
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iid, jiffies);
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ret = -1;
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break;
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}
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@ -1024,9 +1038,13 @@ static void pch_uart_start_tx(struct uart_port *port)
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priv = container_of(port, struct eg20t_port, port);
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if (priv->use_dma)
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if (priv->tx_dma_use)
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if (priv->use_dma) {
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if (priv->tx_dma_use) {
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dev_dbg(priv->port.dev, "%s : Tx DMA is NOT empty.\n",
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__func__);
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return;
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}
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}
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priv->start_tx = 1;
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pch_uart_hal_enable_interrupt(priv, PCH_UART_HAL_TX_INT);
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@ -1142,7 +1160,8 @@ static void pch_uart_shutdown(struct uart_port *port)
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ret = pch_uart_hal_set_fifo(priv, PCH_UART_HAL_DMA_MODE0,
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PCH_UART_HAL_FIFO_DIS, PCH_UART_HAL_TRIGGER1);
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if (ret)
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pr_err("pch_uart_hal_set_fifo Failed(ret=%d)\n", ret);
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dev_err(priv->port.dev,
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"pch_uart_hal_set_fifo Failed(ret=%d)\n", ret);
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if (priv->use_dma_flag)
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pch_free_dma(port);
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@ -1263,17 +1282,19 @@ static int pch_uart_verify_port(struct uart_port *port,
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priv = container_of(port, struct eg20t_port, port);
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if (serinfo->flags & UPF_LOW_LATENCY) {
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pr_info("PCH UART : Use PIO Mode (without DMA)\n");
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dev_info(priv->port.dev,
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"PCH UART : Use PIO Mode (without DMA)\n");
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priv->use_dma = 0;
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serinfo->flags &= ~UPF_LOW_LATENCY;
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} else {
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#ifndef CONFIG_PCH_DMA
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pr_err("%s : PCH DMA is not Loaded.\n", __func__);
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dev_err(priv->port.dev, "%s : PCH DMA is not Loaded.\n",
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__func__);
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return -EOPNOTSUPP;
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#endif
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priv->use_dma = 1;
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priv->use_dma_flag = 1;
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pr_info("PCH UART : Use DMA Mode\n");
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dev_info(priv->port.dev, "PCH UART : Use DMA Mode\n");
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}
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return 0;
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