Commit a3481197 authored May 07, 2007 by Grant Likely Committed by Paul Mackerras May 07, 2007

[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>

parent 3a5cc442

drivers/serial/mpc52xx_uart.c

+3 −2

Original line number	Diff line number	Diff line
		@@ -257,8 +257,9 @@ mpc52xx_uart_shutdown(struct uart_port *port)
		{
		struct mpc52xx_psc __iomem *psc = PSC(port);

		/* Shut down the port, interrupt and all */
		/* Shut down the port. Leave TX active if on a console port */
		out_8(&psc->command,MPC52xx_PSC_RST_RX);
		if (!uart_console(port))
		out_8(&psc->command,MPC52xx_PSC_RST_TX);

		port->read_status_mask = 0;

Admin message