Input: ambakmi - fix timeout handling in amba_kmi_write()

Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git

kernel os linux

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>

authored by

Roel Kluin and committed by

Dmitry Torokhov 17 years ago 4ab73761 bc34496d

+1 -1

1 changed file

expand all

drivers

input

serio

ambakmi.c

+1 -1

drivers/input/serio/ambakmi.c

··· 57 57 struct amba_kmi_port *kmi = io->port_data; 58 58 unsigned int timeleft = 10000; /* timeout in 100ms */ 59 59 60 - while ((readb(KMISTAT) & KMISTAT_TXEMPTY) == 0 && timeleft--) 60 + while ((readb(KMISTAT) & KMISTAT_TXEMPTY) == 0 && --timeleft) 61 61 udelay(10); 62 62 63 63 if (timeleft)