Messages in this thread Patch in this message | | | Date | Mon, 24 Sep 2012 08:17:08 +0200 | From | Christophe Leroy <> | Subject | [PATCH v2] 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>
--- linux-3.5-vanilla/drivers/tty/serial/cpm_uart/cpm_uart_core.c 2012-07-21 22:58:29.000000000 +0200 +++ linux-3.5/drivers/tty/serial/cpm_uart/cpm_uart_core.c 2012-08-09 17:38:37.000000000 +0200 @@ -417,6 +417,7 @@ 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. */
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