[PATCH] Corgi touchscreen: Fix a pmu bug

Corgi Touchscreen bugfix.  If the PMU isn't running, the register needs to
be set to a sane value rather than reusing some random value.

Signed-off-by: Richard Purdie <rpurdie@rpsys.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

drivers/input/touchscreen/corgi_ts.c

@@ -105,7 +105,7 @@ static int sync_receive_data_send_cmd(int doRecive, int doSend, unsigned int add
 	if (wait_time && doSend) {
 		PMNC_GET(pmnc);
 		if (!(pmnc & 0x01))
-			PMNC_SET(pmnc | 0x01);
+			PMNC_SET(0x01);
 
 		/* polling HSync */
 		SyncHS();