commit f58d7ec8b11ac7e7c1d26ad0214fa7484ebaf2c2
author Sameer Thalappil <sameert@qca.qualcomm.com> Thu Apr 25 20:17:12 2013 -0700
committer Gopichand Nakkala <gnakkala@qca.qualcomm.com> Fri May 10 09:47:37 2013 -0700
tree 668cc5d68ddbb611ad7958118516fbbacb56a101
parent 18f0c26e3b4d64c65c6cb0486828fcb863f37a46

wlan: Wait until NV download to finish

Wait until platform driver finishes NV download before module init or
SSR re-init routine can proceed with initialization.

Change-Id: I2092e186eb1a66e1f501bd75d7bcd4522e6fea33
CRs-Fixed: 458741

CORE/HDD/src/wlan_hdd_main.c

diff --git a/CORE/HDD/src/wlan_hdd_main.c b/CORE/HDD/src/wlan_hdd_main.c
index a0d56de..18d6a96 100644
--- a/CORE/HDD/src/wlan_hdd_main.c
+++ b/CORE/HDD/src/wlan_hdd_main.c
@@ -5378,6 +5378,9 @@
    v_CONTEXT_t pVosContext = NULL;
    struct device *dev = NULL;
    int ret_status = 0;
+#ifdef HAVE_WCNSS_CAL_DOWNLOAD
+   int max_retries = 0;
+#endif
 
    ENTER();
 
@@ -5404,6 +5407,18 @@
 #endif // ANI_BUS_TYPE_PCI
 
 #ifdef ANI_BUS_TYPE_PLATFORM
+
+#ifdef HAVE_WCNSS_CAL_DOWNLOAD
+   /* wait until WCNSS driver downloads NV */
+   while (!wcnss_device_ready() && 5 >= ++max_retries) {
+       msleep(1000);
+   }
+   if (max_retries >= 5) {
+      hddLog(VOS_TRACE_LEVEL_FATAL,"%s: WCNSS driver not ready", __func__);
+      return -ENODEV;
+   }
+#endif
+
    dev = wcnss_wlan_get_device();
 #endif // ANI_BUS_TYPE_PLATFORM