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pch_uart : Use dev_xxx not pr_xxx

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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 2011-02-23 10:03:15 +09:00 committed by Greg Kroah-Hartman
parent 1822076cf3
commit 23877fdc6d
1 changed files with 49 additions and 28 deletions
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77
drivers/tty/serial/pch_uart.c
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@ -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); div = DIV_ROUND(priv->base_baud / 16, baud);
if (div < 0 || USHRT_MAX <= div) { 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; 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; dlm = ((unsigned int)div >> 8) & 0x00FFU;
if (parity & ~(PCH_UART_LCR_PEN | PCH_UART_LCR_EPS | PCH_UART_LCR_SP)) { 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; return -EINVAL;
} }
if (bits & ~PCH_UART_LCR_WLS) { 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; return -EINVAL;
} }
if (stb & ~PCH_UART_LCR_STB) { 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; return -EINVAL;
} }
@ -308,7 +308,7 @@ static int pch_uart_hal_set_line(struct eg20t_port *priv, int baud,
lcr |= bits; lcr |= bits;
lcr |= stb; 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); __func__, baud, div, lcr, jiffies);
iowrite8(PCH_UART_LCR_DLAB, priv->membase + UART_LCR); iowrite8(PCH_UART_LCR_DLAB, priv->membase + UART_LCR);
iowrite8(dll, priv->membase + PCH_UART_DLL); 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) unsigned int flag)
{ {
if (flag & ~(PCH_UART_FCR_TFR | PCH_UART_FCR_RFR)) { 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; return -EINVAL;
} }
@ -341,17 +342,20 @@ static int pch_uart_hal_set_fifo(struct eg20t_port *priv,
u8 fcr; u8 fcr;
if (dmamode & ~PCH_UART_FCR_DMS) { 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; return -EINVAL;
} }
if (fifo_size & ~(PCH_UART_FCR_FIFOE | PCH_UART_FCR_FIFO256)) { 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; return -EINVAL;
} }
if (trigger & ~PCH_UART_FCR_RFTL) { 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; return -EINVAL;
} }
@ -455,7 +459,7 @@ static int push_rx(struct eg20t_port *priv, const unsigned char *buf,
port = &priv->port; port = &priv->port;
tty = tty_port_tty_get(&port->state->port); tty = tty_port_tty_get(&port->state->port);
if (!tty) { if (!tty) {
pr_debug("%s:tty is busy now", __func__); dev_dbg(priv->port.dev, "%s:tty is busy now", __func__);
return -EBUSY; return -EBUSY;
} }
@ -472,8 +476,8 @@ static int pop_tx_x(struct eg20t_port *priv, unsigned char *buf)
struct uart_port *port = &priv->port; struct uart_port *port = &priv->port;
if (port->x_char) { if (port->x_char) {
pr_debug("%s:X character send %02x (%lu)\n", __func__, dev_dbg(priv->port.dev, "%s:X character send %02x (%lu)\n",
port->x_char, jiffies); __func__, port->x_char, jiffies);
buf[0] = port->x_char; buf[0] = port->x_char;
port->x_char = 0; port->x_char = 0;
ret = 1; ret = 1;
@ -493,7 +497,7 @@ static int dma_push_rx(struct eg20t_port *priv, int size)
port = &priv->port; port = &priv->port;
tty = tty_port_tty_get(&port->state->port); tty = tty_port_tty_get(&port->state->port);
if (!tty) { if (!tty) {
pr_debug("%s:tty is busy now", __func__); dev_dbg(priv->port.dev, "%s:tty is busy now", __func__);
return 0; return 0;
} }
@ -567,7 +571,8 @@ static void pch_request_dma(struct uart_port *port)
param->tx_reg = port->mapbase + UART_TX; param->tx_reg = port->mapbase + UART_TX;
chan = dma_request_channel(mask, filter, param); chan = dma_request_channel(mask, filter, param);
if (!chan) { 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; return;
} }
priv->chan_tx = chan; priv->chan_tx = chan;
@ -579,7 +584,8 @@ static void pch_request_dma(struct uart_port *port)
param->rx_reg = port->mapbase + UART_RX; param->rx_reg = port->mapbase + UART_RX;
chan = dma_request_channel(mask, filter, param); chan = dma_request_channel(mask, filter, param);
if (!chan) { 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); dma_release_channel(priv->chan_tx);
return; return;
} }
@ -598,7 +604,7 @@ static void pch_dma_rx_complete(void *arg)
int count; int count;
if (!tty) { if (!tty) {
pr_debug("%s:tty is busy now", __func__); dev_dbg(priv->port.dev, "%s:tty is busy now", __func__);
return; return;
} }
@ -652,7 +658,7 @@ static int pop_tx(struct eg20t_port *priv, int size)
} while (!uart_circ_empty(xmit) && count < size); } while (!uart_circ_empty(xmit) && count < size);
pop_tx_end: 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); count, size - count, jiffies);
return count; return count;
@ -728,7 +734,8 @@ static unsigned int handle_tx(struct eg20t_port *priv)
int tx_empty; int tx_empty;
if (!priv->start_tx) { 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); pch_uart_hal_disable_interrupt(priv, PCH_UART_HAL_TX_INT);
priv->tx_empty = 1; priv->tx_empty = 1;
return 0; return 0;
@ -778,7 +785,8 @@ static unsigned int dma_handle_tx(struct eg20t_port *priv)
int rem; int rem;
if (!priv->start_tx) { 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); pch_uart_hal_disable_interrupt(priv, PCH_UART_HAL_TX_INT);
priv->tx_empty = 1; priv->tx_empty = 1;
return 0; 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, UART_XMIT_SIZE), CIRC_CNT_TO_END(xmit->head,
xmit->tail, UART_XMIT_SIZE)); xmit->tail, UART_XMIT_SIZE));
if (!bytes) { if (!bytes) {
dev_dbg(priv->port.dev, "%s 0 bytes return\n", __func__);
pch_uart_hal_disable_interrupt(priv, PCH_UART_HAL_TX_INT); pch_uart_hal_disable_interrupt(priv, PCH_UART_HAL_TX_INT);
uart_write_wakeup(port); uart_write_wakeup(port);
return 0; return 0;
@ -812,6 +821,9 @@ static unsigned int dma_handle_tx(struct eg20t_port *priv)
rem = bytes; 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->tx_dma_use = 1;
priv->sg_tx_p = kzalloc(sizeof(struct scatterlist)*num, GFP_ATOMIC); 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; sg = priv->sg_tx_p;
nent = dma_map_sg(port->dev, sg, num, DMA_TO_DEVICE); nent = dma_map_sg(port->dev, sg, num, DMA_TO_DEVICE);
if (!nent) { 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; return 0;
} }
priv->nent = nent; 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, priv->sg_tx_p, nent, DMA_TO_DEVICE,
DMA_PREP_INTERRUPT | DMA_CTRL_ACK); DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
if (!desc) { 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; return 0;
} }
dma_sync_sg_for_device(port->dev, priv->sg_tx_p, nent, DMA_TO_DEVICE); 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; ret = PCH_UART_HANDLED_MS_INT;
break; break;
default: /* Never junp to this label */ 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; ret = -1;
break; break;
} }
@ -1024,9 +1038,13 @@ static void pch_uart_start_tx(struct uart_port *port)
priv = container_of(port, struct eg20t_port, port); priv = container_of(port, struct eg20t_port, port);
if (priv->use_dma) if (priv->use_dma) {
if (priv->tx_dma_use) if (priv->tx_dma_use) {
dev_dbg(priv->port.dev, "%s : Tx DMA is NOT empty.\n",
__func__);
return; return;
}
}
priv->start_tx = 1; priv->start_tx = 1;
pch_uart_hal_enable_interrupt(priv, PCH_UART_HAL_TX_INT); 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, ret = pch_uart_hal_set_fifo(priv, PCH_UART_HAL_DMA_MODE0,
PCH_UART_HAL_FIFO_DIS, PCH_UART_HAL_TRIGGER1); PCH_UART_HAL_FIFO_DIS, PCH_UART_HAL_TRIGGER1);
if (ret) 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) if (priv->use_dma_flag)
pch_free_dma(port); 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); priv = container_of(port, struct eg20t_port, port);
if (serinfo->flags & UPF_LOW_LATENCY) { 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; priv->use_dma = 0;
serinfo->flags &= ~UPF_LOW_LATENCY; serinfo->flags &= ~UPF_LOW_LATENCY;
} else { } else {
#ifndef CONFIG_PCH_DMA #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; return -EOPNOTSUPP;
#endif #endif
priv->use_dma = 1; priv->use_dma = 1;
priv->use_dma_flag = 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; return 0;