diff options
Diffstat (limited to 'drivers/tty/serial/imx.c')
| -rw-r--r-- | drivers/tty/serial/imx.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c index 4e853570ea80..239c0fa2e981 100644 --- a/drivers/tty/serial/imx.c +++ b/drivers/tty/serial/imx.c @@ -314,7 +314,8 @@ static u32 imx_uart_readl(struct imx_port *sport, u32 offset) /* * UCR2_SRST is the only bit in the cached registers that might * differ from the value that was last written. As it only - * clears after being set, reread conditionally. + * automatically becomes one after being cleared, reread + * conditionally. */ if (!(sport->ucr2 & UCR2_SRST)) sport->ucr2 = readl(sport->port.membase + offset); @@ -1051,7 +1052,7 @@ static void imx_uart_dma_rx_callback(void *data) unsigned int r_bytes; unsigned int bd_size; - status = dmaengine_tx_status(chan, (dma_cookie_t)0, &state); + status = dmaengine_tx_status(chan, sport->rx_cookie, &state); if (status == DMA_ERROR) { imx_uart_clear_rx_errors(sport); |