wl1271: Fix event handling mechanism

The event handling mechanism could miss events if multiple events would
occur simultaneously. Fix event handling mechanism to process all
events.

Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 4 insertions, 2 deletions

diff --git a/drivers/net/wireless/wl12xx/wl1271_event.c b/drivers/net/wireless/wl12xx/wl1271_event.c
index e2d7758ba1c9..a4b11e43f0db 100644
--- a/drivers/net/wireless/wl12xx/wl1271_event.c
+++ b/drivers/net/wireless/wl12xx/wl1271_event.c
@@ -126,7 +126,7 @@ void wl1271_event_mbox_config(struct wl1271 *wl)
                      wl->mbox_ptr[0], wl->mbox_ptr[1]);
 }
 
-int wl1271_event_handle(struct wl1271 *wl, u8 mbox_num)
+int wl1271_event_handle(struct wl1271 *wl, u8 mbox_num, bool do_ack)
 {
         struct event_mailbox mbox;
         int ret;
@@ -146,7 +146,9 @@ int wl1271_event_handle(struct wl1271 *wl, u8 mbox_num)
                 return ret;
 
         /* then we let the firmware know it can go on...*/
-        wl1271_spi_write32(wl, ACX_REG_INTERRUPT_TRIG, INTR_TRIG_EVENT_ACK);
+        if (do_ack)
+                wl1271_spi_write32(wl, ACX_REG_INTERRUPT_TRIG,
+                                   INTR_TRIG_EVENT_ACK);
 
         return 0;
 }