Powerpc 8xx CPM_UART desynchronisation

This patch fixes a desynchronisation problem with CPM UART driver on
Powerpc MPC8xx. The problem happens if data is received before the device
is open by the user application.

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Acked-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/tty/serial/cpm_uart/cpm_uart_core.c b/drivers/tty/serial/cpm_uart/cpm_uart_core.c
index b418947b7107..46af6e47f061 100644
--- a/drivers/tty/serial/cpm_uart/cpm_uart_core.c
+++ b/drivers/tty/serial/cpm_uart/cpm_uart_core.c
@@ -417,6 +417,7 @@ static int cpm_uart_startup(struct uart_port *port)
                         clrbits32(&pinfo->sccp->scc_gsmrl, SCC_GSMRL_ENR);
                         clrbits16(&pinfo->sccp->scc_sccm, UART_SCCM_RX);
                 }
+                cpm_uart_initbd(pinfo);
                 cpm_line_cr_cmd(pinfo, CPM_CR_INIT_TRX);
         }
         /* Install interrupt handler. */