wl1251: Fix regression in IRQ loop handling
In some cases, the IRQ loop handler could acknowledge an interrupt to
the chipset, but not service it.
Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Janne Ylalehto <janne.ylalehto@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: Kalle Valo <kalle.valo@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/wl12xx/wl1251_main.c b/drivers/net/wireless/wl12xx/wl1251_main.c
index dad010d..2e1c10f 100644
--- a/drivers/net/wireless/wl12xx/wl1251_main.c
+++ b/drivers/net/wireless/wl12xx/wl1251_main.c
@@ -308,9 +308,11 @@
wl1251_debug(DEBUG_IRQ,
"WL1251_ACX_INTR_INIT_COMPLETE");
- intr = wl1251_reg_read32(wl, ACX_REG_INTERRUPT_CLEAR);
+ if (--ctr == 0)
+ break;
- } while (intr && --ctr);
+ intr = wl1251_reg_read32(wl, ACX_REG_INTERRUPT_CLEAR);
+ } while (intr);
out_sleep:
wl1251_reg_write32(wl, ACX_REG_INTERRUPT_MASK, ~(wl->intr_mask));