[PATCH 26/48] input: touchscreen: mainstone: fix pxa2xx+pxa3xx configuration

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From: Arnd Bergmann <arnd@xxxxxxxx>

There are two different ways of flushing the ac97 queue
in this driver, selected by a compile time option.

Change this to a runtime selection to make it work when both
are enabled.

Acked-by: Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx>
Acked-by: Robert Jarzmik <robert.jarzmik@xxxxxxx>
Cc: linux-input@xxxxxxxxxxxxxxx
Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
---
 drivers/input/touchscreen/mainstone-wm97xx.c | 19 +++++++------------
 1 file changed, 7 insertions(+), 12 deletions(-)

diff --git a/drivers/input/touchscreen/mainstone-wm97xx.c b/drivers/input/touchscreen/mainstone-wm97xx.c
index 87655105ef3a..618c80847d9f 100644
--- a/drivers/input/touchscreen/mainstone-wm97xx.c
+++ b/drivers/input/touchscreen/mainstone-wm97xx.c
@@ -98,25 +98,20 @@ MODULE_PARM_DESC(ac97_touch_slot, "Touch screen data slot AC97 number");
 
 
 /* flush AC97 slot 5 FIFO on pxa machines */
-#ifdef CONFIG_PXA27x
-static void wm97xx_acc_pen_up(struct wm97xx *wm)
-{
-	schedule_timeout_uninterruptible(1);
-
-	while (MISR & (1 << 2))
-		MODR;
-}
-#else
 static void wm97xx_acc_pen_up(struct wm97xx *wm)
 {
 	unsigned int count;
 
 	schedule_timeout_uninterruptible(1);
 
-	for (count = 0; count < 16; count++)
-		MODR;
+	if (cpu_is_pxa27x()) {
+		while (MISR & (1 << 2))
+			MODR;
+	} else if (cpu_is_pxa3xx()) {
+		for (count = 0; count < 16; count++)
+			MODR;
+	}
 }
-#endif
 
 static int wm97xx_acc_pen_down(struct wm97xx *wm)
 {
-- 
2.29.2




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