提交 b74fdd23 编写于 作者: P Peter Hurley 提交者: Greg Kroah-Hartman

serial: omap8250: Simplify rx dma completion interface

Extract the operation (restarting new rx dma) performed when error
argument is true.
Signed-off-by: NPeter Hurley <peter@hurleysoftware.com>
Reviewed-by: NHeikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
上级 ed183ee6
......@@ -744,7 +744,7 @@ static void omap_8250_unthrottle(struct uart_port *port)
#ifdef CONFIG_SERIAL_8250_DMA
static int omap_8250_rx_dma(struct uart_8250_port *p, unsigned int iir);
static void __dma_rx_do_complete(struct uart_8250_port *p, bool error)
static void __dma_rx_do_complete(struct uart_8250_port *p)
{
struct omap8250_priv *priv = p->port.private_data;
struct uart_8250_dma *dma = p->dma;
......@@ -772,15 +772,13 @@ static void __dma_rx_do_complete(struct uart_8250_port *p, bool error)
unlock:
spin_unlock_irqrestore(&priv->rx_dma_lock, flags);
if (!error)
omap_8250_rx_dma(p, 0);
tty_flip_buffer_push(tty_port);
}
static void __dma_rx_complete(void *param)
{
__dma_rx_do_complete(param, false);
__dma_rx_do_complete(param);
omap_8250_rx_dma(param, 0);
}
static void omap_8250_rx_dma_flush(struct uart_8250_port *p)
......@@ -803,7 +801,7 @@ static void omap_8250_rx_dma_flush(struct uart_8250_port *p)
spin_unlock_irqrestore(&priv->rx_dma_lock, flags);
__dma_rx_do_complete(p, true);
__dma_rx_do_complete(p);
}
static int omap_8250_rx_dma(struct uart_8250_port *p, unsigned int iir)
......
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