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MIPS: AR7: Ensure that serial ports are properly set up 

Without UPF_FIXED_TYPE, the data from the PORT_AR7 uart_config entry is
never copied, resulting in a dead port.

Fixes: 154615d554 ("MIPS: AR7: Use correct UART port type")
Signed-off-by: Oswald Buddenhagen <oswald.buddenhagen@gmx.de>
[jonas.gorski: add Fixes tag]
Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Yoshihiro YUNOMAE <yoshihiro.yunomae.ez@hitachi.com>
Cc: Nicolas Schichan <nschichan@freebox.fr>
Cc: Oswald Buddenhagen <oswald.buddenhagen@gmx.de>
Cc: linux-mips@linux-mips.org
Cc: linux-serial@vger.kernel.org
Cc: <stable@vger.kernel.org>
Patchwork: https://patchwork.linux-mips.org/patch/17543/
Signed-off-by: James Hogan <jhogan@kernel.org>
This commit is contained in:
Oswald Buddenhagen 2017-10-29 16:27:20 +01:00 committed by James Hogan
parent e6b03ab63b
commit b084116f85
1 changed files with 1 additions and 0 deletions
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arch/mips/ar7/platform.c
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@ -575,6 +575,7 @@ static int __init ar7_register_uarts(void)
uart_port.type = PORT_AR7;
uart_port.uartclk = clk_get_rate(bus_clk) / 2;
uart_port.iotype = UPIO_MEM32;
uart_port.flags = UPF_FIXED_TYPE;
uart_port.regshift = 2;
uart_port.line = 0;