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USB: serial: console: add support for flow control

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Add support for enabling hardware flow control using the 'r' command
line option.

This also avoids a W=1 (-Wunused-but-set-variable) warning.

Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
This commit is contained in:
Johan Hovold
2020-07-01 19:37:22 +02:00
parent b83076a94d
commit cabe0785ff
1 changed files with 4 additions and 1 deletions
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3
drivers/usb/serial/console.c
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@@ -102,6 +102,9 @@ static int usb_console_setup(struct console *co, char *options)
break;
}
if (doflow)
cflag |= CRTSCTS;
/*
* no need to check the index here: if the index is wrong, console
* code won't call us