USB: serial: pl2303 works at 500kbps
My PL2303HX works at 500kbps after applying this patch. I suppose that it could work at other non standard speeds since this fix "correctly handle baudrates above 115200" https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/drivers/usb/serial/pl2303.c?id=8d48fdf689fed2c73c493e5146d1463689246442 came after this one "fix baud rate handling in case of unsupported values" https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/drivers/usb/serial/pl2303.c?id=25b8286805e856c8c7fda127018e31032c918015 but I only can test it with 500000. Patch made against mainline but tested with 3.4.45 Signed-off-by: Luca Olivetti <luca@ventoso.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -275,7 +275,7 @@ static void pl2303_set_termios(struct tty_struct *tty,
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u8 control;
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const int baud_sup[] = { 75, 150, 300, 600, 1200, 1800, 2400, 3600,
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4800, 7200, 9600, 14400, 19200, 28800, 38400,
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57600, 115200, 230400, 460800, 614400,
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57600, 115200, 230400, 460800, 500000, 614400,
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921600, 1228800, 2457600, 3000000, 6000000 };
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int baud_floor, baud_ceil;
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int k;
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