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From: Heiko Schocher <hs@denx.de>
To: linuxppc-dev@ozlabs.org
Subject: [PATCH] ppc32:  Fix SCC Uart write problem after 2. open()
Date: Mon, 31 Oct 2005 11:53:19 +0100	[thread overview]
Message-ID: <1130755999.4365f79f826de@webmail.mnet-online.de> (raw)

Hello,

on a MPC8260 based Board, i succesfully wrote chars
over a SCC in UART Mode, but after i closed the port
and opened it again, the write() call failed! 
(cpm_uart_tx_empty()returns continually 0).
The following Patch will fix this problem.

thanks
Heiko Schocher

---

 drivers/serial/cpm_uart/cpm_uart_core.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/drivers/serial/cpm_uart/cpm_uart_core.c 
b/drivers/serial/cpm_uart/cpm_uart_core.c
index 25825f2..4c3ea05 100644
--- a/drivers/serial/cpm_uart/cpm_uart_core.c
+++ b/drivers/serial/cpm_uart/cpm_uart_core.c
@@ -445,6 +445,10 @@ static void cpm_uart_shutdown(struct uar
                /* Shut them really down and reinit buffer descriptors */
                cpm_line_cr_cmd(line, CPM_CR_STOP_TX);
                cpm_uart_initbd(pinfo);
+               if (IS_SMC(pinfo))
+                       cpm_uart_init_smc(pinfo);
+               else
+                       cpm_uart_init_scc(pinfo);
        }
 }

             reply	other threads:[~2005-10-31 11:13 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-10-31 10:53 Heiko Schocher [this message]
  -- strict thread matches above, loose matches on Subject: below --
2005-11-01  7:17 [PATCH] ppc32: Fix SCC Uart write problem after 2. open() Heiko Schocher
2005-11-01 16:08 ` Dan Malek
2005-11-03 18:37   ` Heiko Schocher

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