powerpc: Unsigned speed cannot be negative in udbg_16559.c
"unsigned int" speed cannot be negative, it's thus pointless to test if it is. Signed-off-by: Roel Kluin <roel.kluin@gmail.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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@ -142,7 +142,7 @@ unsigned int udbg_probe_uart_speed(void __iomem *comport, unsigned int clock)
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speed = (clock / prescaler) / (divisor * 16);
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/* sanity check */
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if (speed < 0 || speed > (clock / 16))
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if (speed > (clock / 16))
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speed = 9600;
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return speed;
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