diff options
Diffstat (limited to 'drivers/serial/mpsc.c')
| -rw-r--r-- | drivers/serial/mpsc.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/serial/mpsc.c b/drivers/serial/mpsc.c index e43276c6a954..ba8838b234da 100644 --- a/drivers/serial/mpsc.c +++ b/drivers/serial/mpsc.c @@ -52,6 +52,8 @@ * 4) AFAICT, hardware flow control isn't supported by the controller --MAG. */ +#include <linux/platform_device.h> + #include "mpsc.h" /* @@ -1072,18 +1074,18 @@ mpsc_get_mctrl(struct uart_port *port) } static void -mpsc_stop_tx(struct uart_port *port, uint tty_start) +mpsc_stop_tx(struct uart_port *port) { struct mpsc_port_info *pi = (struct mpsc_port_info *)port; - pr_debug("mpsc_stop_tx[%d]: tty_start: %d\n", port->line, tty_start); + pr_debug("mpsc_stop_tx[%d]\n", port->line); mpsc_freeze(pi); return; } static void -mpsc_start_tx(struct uart_port *port, uint tty_start) +mpsc_start_tx(struct uart_port *port) { struct mpsc_port_info *pi = (struct mpsc_port_info *)port; @@ -1091,7 +1093,7 @@ mpsc_start_tx(struct uart_port *port, uint tty_start) mpsc_copy_tx_data(pi); mpsc_sdma_start_tx(pi); - pr_debug("mpsc_start_tx[%d]: tty_start: %d\n", port->line, tty_start); + pr_debug("mpsc_start_tx[%d]\n", port->line); return; } @@ -1100,6 +1102,8 @@ mpsc_start_rx(struct mpsc_port_info *pi) { pr_debug("mpsc_start_rx[%d]: Starting...\n", pi->port.line); + /* Issue a Receive Abort to clear any receive errors */ + writel(MPSC_CHR_2_RA, pi->mpsc_base + MPSC_CHR_2); if (pi->rcv_data) { mpsc_enter_hunt(pi); mpsc_sdma_cmd(pi, SDMA_SDCM_ERD); |