[POWERPC] Don't shutdown TX on mpc5200 serial port if it is a console
If the serial port gets shut down, then console output stalls. 9 out of 10 kernel hackers agree, this is a bad thing. Signed-off-by: Grant Likely <grant.likely@secretlab.ca> Signed-off-by: Sylvain Munaut <tnt@246tNt.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
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@ -257,9 +257,10 @@ mpc52xx_uart_shutdown(struct uart_port *port)
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{
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struct mpc52xx_psc __iomem *psc = PSC(port);
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/* Shut down the port, interrupt and all */
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/* Shut down the port. Leave TX active if on a console port */
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out_8(&psc->command,MPC52xx_PSC_RST_RX);
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out_8(&psc->command,MPC52xx_PSC_RST_TX);
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if (!uart_console(port))
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out_8(&psc->command,MPC52xx_PSC_RST_TX);
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port->read_status_mask = 0;
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out_be16(&psc->mpc52xx_psc_imr,port->read_status_mask);
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