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serial_pl011: Set RTS during initialization

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If the pl011 is connected to another device which has hardware
flow-control on, characters are never received by the pl011.
Asserting RTS when flow-control is off will have no effect.

This is in line with how Linux behaves.

Signed-off-by: Joshua Housh <joshua.housh@calxeda.com>
Tested-by: Marek Vasut <marex@denx.de>
This commit is contained in:
Joshua Housh 2012-12-02 17:09:26 +00:00 committed by Tom Rini
parent fcdde04c20
commit 10501df05e
1 changed files with 2 additions and 2 deletions
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4
drivers/serial/serial_pl01x.c
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@ -163,8 +163,8 @@ static int pl01x_serial_init(void)
} }
#endif #endif
/* Finally, enable the UART */ /* Finally, enable the UART */
writel(UART_PL011_CR_UARTEN | UART_PL011_CR_TXE | UART_PL011_CR_RXE, writel(UART_PL011_CR_UARTEN | UART_PL011_CR_TXE | UART_PL011_CR_RXE |
&regs->pl011_cr); UART_PL011_CR_RTS, &regs->pl011_cr);
return 0; return 0;
} }