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Powerpc 8xx CPM_UART desynchronisation

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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>
This commit is contained in:
Christophe Leroy 2012-09-24 08:17:08 +02:00 committed by Greg Kroah-Hartman
parent 26e8220adb
commit 725ef4a3b6
1 changed files with 1 additions and 0 deletions
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drivers/tty/serial/cpm_uart/cpm_uart_core.c
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@ -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. */