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Commit 4ab73761 authored Feb 01, 2009 by Roel Kluin Committed by Dmitry Torokhov Feb 01, 2009

Input: ambakmi - fix timeout handling in amba_kmi_write()



With a postfix decrement timeleft reaches -1 rather than 0,
but after the loop it is tested to have become 0.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>

parent bc34496d

drivers/input/serio/ambakmi.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -57,7 +57,7 @@ static int amba_kmi_write(struct serio *io, unsigned char val)
		struct amba_kmi_port *kmi = io->port_data;
		unsigned int timeleft = 10000; /* timeout in 100ms */

		while ((readb(KMISTAT) & KMISTAT_TXEMPTY) == 0 && timeleft--)
		while ((readb(KMISTAT) & KMISTAT_TXEMPTY) == 0 && --timeleft)
		udelay(10);

		if (timeleft)