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-rw-r--r--drivers/net/wireless/wl12xx/wl1271.h4
-rw-r--r--drivers/net/wireless/wl12xx/wl1271_main.c1
2 files changed, 4 insertions, 1 deletions
diff --git a/drivers/net/wireless/wl12xx/wl1271.h b/drivers/net/wireless/wl12xx/wl1271.h
index 81e1c9531a3..c965c4a718f 100644
--- a/drivers/net/wireless/wl12xx/wl1271.h
+++ b/drivers/net/wireless/wl12xx/wl1271.h
@@ -458,7 +458,9 @@ int wl1271_plt_stop(struct wl1271 *wl);
#define WL1271_TX_QUEUE_MAX_LENGTH 20
-/* WL1271 needs a 200ms sleep after power on */
+/* WL1271 needs a 200ms sleep after power on, and a 20ms sleep before power
+ on in case is has been shut down shortly before */
+#define WL1271_PRE_POWER_ON_SLEEP 20 /* in miliseconds */
#define WL1271_POWER_ON_SLEEP 200 /* in miliseconds */
static inline bool wl1271_11a_enabled(void)
diff --git a/drivers/net/wireless/wl12xx/wl1271_main.c b/drivers/net/wireless/wl12xx/wl1271_main.c
index 0795bf3c60d..0520b38e8e7 100644
--- a/drivers/net/wireless/wl12xx/wl1271_main.c
+++ b/drivers/net/wireless/wl12xx/wl1271_main.c
@@ -618,6 +618,7 @@ static int wl1271_chip_wakeup(struct wl1271 *wl)
struct wl1271_partition_set partition;
int ret = 0;
+ msleep(WL1271_PRE_POWER_ON_SLEEP);
wl1271_power_on(wl);
msleep(WL1271_POWER_ON_SLEEP);
wl1271_spi_reset(wl);