init: Add init.qcom.post_fs.sh script.

Some of the qcom services require to remount system partition with read-write
permission. But since all of them running as independent asyncronous services
so this can cause some issue.

init.post_fs.sh is responsible to call all such services syncronously and
in the end remount system partition as read-only.

Change-Id: I4c03a67df5eb429b2ede633f81135e8b5c457673

common.mk

@@ -118,6 +118,7 @@ INIT += init.qcom.bt.sh
 INIT += init.qcom.coex.sh
 INIT += init.qcom.fm.sh
 INIT += init.qcom.post_boot.sh
+INIT += init.qcom.post_fs.sh
 INIT += init.qcom.rc
 INIT += init.qcom.sdio.sh
 INIT += init.qcom.sh

rootdir/Android.mk

@@ -108,3 +108,10 @@ LOCAL_SRC_FILES    := etc/ueventd.qcom.rc
 LOCAL_MODULE_PATH  := $(TARGET_ROOT_OUT)
 include $(BUILD_PREBUILT)
 
+include $(CLEAR_VARS)
+LOCAL_MODULE       := init.qcom.post_fs.sh
+LOCAL_MODULE_TAGS  := optional eng
+LOCAL_MODULE_CLASS := ETC
+LOCAL_SRC_FILES    := etc/init.qcom.post_fs.sh
+include $(BUILD_PREBUILT)
+

rootdir/etc/init.qcom.post_fs.sh

@@ -0,0 +1,48 @@
+#!/system/bin/sh
+# Copyright (c) 2012, Code Aurora Forum. All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are met:
+#     * Redistributions of source code must retain the above copyright
+#       notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above copyright
+#       notice, this list of conditions and the following disclaimer in the
+#       documentation and/or other materials provided with the distribution.
+#     * Neither the name of Code Aurora nor
+#       the names of its contributors may be used to endorse or promote
+#       products derived from this software without specific prior written
+#       permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+# NON-INFRINGEMENT ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+
+# This should be the first command
+# remount system as read-write.
+mount -o rw,remount,barrier=1 /system
+
+# Run modem link script
+/system/bin/sh /system/etc/init.qcom.modem_links.sh
+
+# Run mdm link script
+/system/bin/sh /system/etc/init.qcom.mdm_links.sh
+
+# Run thermal script
+/system/bin/sh /system/etc/init.qcom.thermald_conf.sh
+
+# Run wifi script
+/system/bin/sh /system/etc/init.qcom.wifi.sh
+
+# This should be the last command
+# remount system as read-only.
+mount -o ro,remount,barrier=1 /system
+

rootdir/etc/init.qcom.rc

@@ -140,6 +140,7 @@ on boot
 # import cne init file
 on post-fs
     export_rc /persist/init.cne.rc
+    start qcom-post-fs
 
 # msm specific files that need to be created on /data
 on post-fs-data
@@ -463,6 +464,12 @@ on property:drmdiag.load=1
 on property:drmdiag.load=0
     stop drmdiag
 
+service qcom-post-fs /system/bin/sh /system/etc/init.qcom.post_fs.sh
+    class core
+    user root
+    disabled
+    oneshot
+
 service qcom-sh /system/bin/sh /init.qcom.sh
     class late_start
     user root
@@ -474,10 +481,6 @@ service qcom-post-boot /system/bin/sh /system/etc/init.qcom.post_boot.sh
     disabled
     oneshot
 
-service qcom-wifi /system/bin/sh /system/etc/init.qcom.wifi.sh
-    class late_start
-    oneshot
-
 service wifi-sdio-on /system/bin/sh /system/etc/init.qcom.sdio.sh
     class late_start
     group wifi inet

rootdir/etc/init.qcom.wifi.sh

@@ -42,23 +42,19 @@ case "$target" in
       case "$wlanchip" in
       "AR6004-USB")
         setprop wlan.driver.ath 2
-        mount -t vfat -o remount,rw,barrier=0 /dev/block/mtdblock1 /system
         rm  /system/lib/modules/wlan.ko
         rm  /system/lib/modules/cfg80211.ko
         ln -s /system/lib/modules/ath6kl-3.5/ath6kl_usb.ko /system/lib/modules/wlan.ko
         ln -s /system/lib/modules/ath6kl-3.5/cfg80211.ko /system/lib/modules/cfg80211.ko
-        mount -t vfat -o remount,ro,barrier=0 /dev/block/mtdblock1 /system
         ;;
       *)
         echo "*** WI-FI chip ID is not specified in /persist/wlan_chip_id **"
         echo "*** Use the default WCN driver.                             **"
         setprop wlan.driver.ath 0 
-        mount -t vfat -o remount,rw,barrier=0 /dev/block/mtdblock1 /system
         rm  /system/lib/modules/wlan.ko
         rm  /system/lib/modules/cfg80211.ko
         ln -s /system/lib/modules/prima/prima_wlan.ko /system/lib/modules/wlan.ko
         ln -s /system/lib/modules/prima/cfg80211.ko /system/lib/modules/cfg80211.ko
-        mount -t vfat -o remount,ro,barrier=0 /dev/block/mtdblock1 /system
 
         # The property below is used in Qcom SDK for softap to determine
         # the wifi driver config file
@@ -114,30 +110,24 @@ case "$target" in
         case "$wlanchip" in
             "ATH6KL")
              setprop wlan.driver.ath 1
-             mount -t vfat -o remount,rw,barrier=0 /dev/block/mtdblock1 /system
              rm  /system/lib/modules/wlan.ko
              rm  /system/lib/modules/cfg80211.ko
              ln -s /system/lib/modules/ath6kl/ath6kl_sdio.ko /system/lib/modules/wlan.ko
              ln -s /system/lib/modules/ath6kl/cfg80211.ko /system/lib/modules/cfg80211.ko
-             mount -t vfat -o remount,ro,barrier=0 /dev/block/mtdblock1 /system
              ;;
             "WCN1314")
              setprop wlan.driver.ath 0
-             mount -t vfat -o remount,rw,barrier=0 /dev/block/mtdblock1 /system
              rm  /system/lib/modules/wlan.ko
              rm  /system/lib/modules/cfg80211.ko
              ln -s /system/lib/modules/volans/WCN1314_rf.ko /system/lib/modules/wlan.ko
              ln -s /system/lib/modules/volans/cfg80211.ko /system/lib/modules/cfg80211.ko
-             mount -t vfat -o remount,ro,barrier=0 /dev/block/mtdblock1 /system
              ;;
             *)
              setprop wlan.driver.ath 1
-             mount -t vfat -o remount,rw,barrier=0 /dev/block/mtdblock1 /system
              rm  /system/lib/modules/wlan.ko
              rm  /system/lib/modules/cfg80211.ko
              ln -s /system/lib/modules/ath6kl/ath6kl_sdio.ko /system/lib/modules/wlan.ko
              ln -s /system/lib/modules/ath6kl/cfg80211.ko /system/lib/modules/cfg80211.ko
-             mount -t vfat -o remount,ro,barrier=0 /dev/block/mtdblock1 /system
              echo "********************************************************************"
               echo "*** Error:WI-FI chip ID is not specified in /persist/wlan_chip_id **"
              echo "*******    WI-FI may not work    ***********************************"
@@ -150,16 +140,12 @@ case "$target" in
         echo "The WLAN Chip ID is $wlanchip"
         case "$wlanchip" in
             "WCN1314")
-             mount -t vfat -o remount,rw,barrier=0 /dev/block/mtdblock1 /system
              ln -s /system/lib/modules/volans/WCN1314_rf.ko /system/lib/modules/wlan.ko
-             mount -t vfat -o remount,ro,barrier=0 /dev/block/mtdblock1 /system
              ;;
             "WCN1312")
-             mount -t vfat -o remount,rw,barrier=0 /dev/block/mtdblock1 /system
              ln -s /system/lib/modules/libra/libra.ko /system/lib/modules/wlan.ko
 	      ln -s /data/hostapd/qcom_cfg.ini /etc/firmware/wlan/qcom_cfg.ini
              ln -s /persist/qcom_wlan_nv.bin /etc/firmware/wlan/qcom_wlan_nv.bin
-             mount -t vfat -o remount,ro,barrier=0 /dev/block/mtdblock1 /system
 	      ;;
            *)
             echo "********************************************************************"
@@ -169,10 +155,8 @@ case "$target" in
         esac
     ;;
     msm7627*)
-        mount -t vfat -o remount,rw,barrier=0 /dev/block/mtdblock1 /system
         ln -s /data/hostapd/qcom_cfg.ini /etc/firmware/wlan/qcom_cfg.ini
         ln -s /persist/qcom_wlan_nv.bin /etc/firmware/wlan/qcom_wlan_nv.bin
-        mount -t vfat -o remount,ro,barrier=0 /dev/block/mtdblock1 /system
     ;;
 
     *)