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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>
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@ -417,6 +417,7 @@ static int cpm_uart_startup(struct uart_port *port)
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clrbits32(&pinfo->sccp->scc_gsmrl, SCC_GSMRL_ENR);
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clrbits16(&pinfo->sccp->scc_sccm, UART_SCCM_RX);
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}
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cpm_uart_initbd(pinfo);
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cpm_line_cr_cmd(pinfo, CPM_CR_INIT_TRX);
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}
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/* Install interrupt handler. */
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