From: Peter Hurley Date: Sun, 10 Apr 2016 05:14:35 +0000 (-0700) Subject: serial: omap8250: Simplify rx dma completion interface X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=b74fdd23d8fb4e349185ed9d963da8fc2b6eb34c;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git serial: omap8250: Simplify rx dma completion interface Extract the operation (restarting new rx dma) performed when error argument is true. Signed-off-by: Peter Hurley Reviewed-by: Heikki Krogerus Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/tty/serial/8250/8250_omap.c b/drivers/tty/serial/8250/8250_omap.c index ca2a85011916..27702d5e8811 100644 --- a/drivers/tty/serial/8250/8250_omap.c +++ b/drivers/tty/serial/8250/8250_omap.c @@ -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)