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yaml
---
r: 125022
b: refs/heads/master
c: 68a784c
h: refs/heads/master
v: v3
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Sonic Zhang authored and Linus Torvalds committed Jan 2, 2009
1 parent 75abff1 commit 1982919
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Showing 2 changed files with 9 additions and 4 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: b6efa1eabbe8d23fd7dcad1eed8ce945f4adea83
refs/heads/master: 68a784cb1add52543644a879ef601f3b52d18623
11 changes: 8 additions & 3 deletions trunk/drivers/serial/bfin_5xx.c
Original file line number Diff line number Diff line change
Expand Up @@ -81,7 +81,9 @@ static void bfin_serial_reset_irda(struct uart_port *port);
static void bfin_serial_stop_tx(struct uart_port *port)
{
struct bfin_serial_port *uart = (struct bfin_serial_port *)port;
#ifdef CONFIG_SERIAL_BFIN_DMA
struct circ_buf *xmit = &uart->port.info->xmit;
#endif

while (!(UART_GET_LSR(uart) & TEMT))
cpu_relax();
Expand Down Expand Up @@ -412,7 +414,9 @@ static void bfin_serial_dma_rx_chars(struct bfin_serial_port *uart)

void bfin_serial_rx_dma_timeout(struct bfin_serial_port *uart)
{
int x_pos, pos;
int x_pos, pos, flags;

spin_lock_irqsave(&uart->port.lock, flags);

uart->rx_dma_nrows = get_dma_curr_ycount(uart->rx_dma_channel);
x_pos = get_dma_curr_xcount(uart->rx_dma_channel);
Expand All @@ -430,6 +434,8 @@ void bfin_serial_rx_dma_timeout(struct bfin_serial_port *uart)
uart->rx_dma_buf.tail = uart->rx_dma_buf.head;
}

spin_unlock_irqrestore(&uart->port.lock, flags);

mod_timer(&(uart->rx_dma_timer), jiffies + DMA_RX_FLUSH_JIFFIES);
}

Expand Down Expand Up @@ -464,10 +470,9 @@ static irqreturn_t bfin_serial_dma_rx_int(int irq, void *dev_id)
spin_lock(&uart->port.lock);
irqstat = get_dma_curr_irqstat(uart->rx_dma_channel);
clear_dma_irqstat(uart->rx_dma_channel);
bfin_serial_dma_rx_chars(uart);
spin_unlock(&uart->port.lock);

mod_timer(&(uart->rx_dma_timer), jiffies);

return IRQ_HANDLED;
}
#endif
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