From 725ef4a3b68449611b523550739ab6d848cedafa Mon Sep 17 00:00:00 2001 From: Christophe Leroy <christophe.leroy@c-s.fr> Date: Mon, 24 Sep 2012 08:17:08 +0200 Subject: [PATCH] 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> --- drivers/tty/serial/cpm_uart/cpm_uart_core.c | 1 + 1 file changed, 1 insertion(+) 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. */ -- GitLab