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Commit bc34496d authored by Roel Kluin's avatar Roel Kluin Committed by Dmitry Torokhov
Browse files

Input: pxa930_trkball - fix write timeout handling 



With a postfix decrement i reaches -1 rather than 0,
but after the loop it is tested whether it has become 0.

Signed-off-by: default avatarRoel Kluin <roel.kluin@gmail.com>
Signed-off-by: default avatarDmitry Torokhov <dtor@mail.ru>
parent 4e8718a1

drivers/input/mouse/pxa930_trkball.c

+1 −1
Original line number Diff line number Diff line
@@ -83,7 +83,7 @@ static int write_tbcr(struct pxa930_trkball *trkball, int v) 


	__raw_writel(v, trkball->mmio_base + TBCR);



	while (i--) {

	while (--i) {

		if (__raw_readl(trkball->mmio_base + TBCR) == v)

			break;

		msleep(1);