The USB host driver has been verified on the STM32F4Discovery

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5067 42af7a65-404d-4744-a932-0658087f49c3
2012-08-29 19:38:53 +00:00 · 2012-08-29 19:38:53 +00:00 · 1bb5d9eb33
commit 1bb5d9eb33
parent 632eb9651e
90 changed files with 146 additions and 100 deletions
--- a/configs/amber/hello/defconfig
+++ b/configs/amber/hello/defconfig
@ -286,7 +286,7 @@ CONFIG_FDCLONE_DISABLE=n
 CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
 CONFIG_SCHED_WORKQUEUE=n
-CONFIG_SCHED_WORKPRIORITY=50
+CONFIG_SCHED_WORKPRIORITY=192
 CONFIG_SCHED_WORKPERIOD=50000
 CONFIG_SCHED_WORKSTACKSIZE=1024
 CONFIG_SIG_SIGWORK=4
--- a/configs/avr32dev1/nsh/defconfig
+++ b/configs/avr32dev1/nsh/defconfig
@ -328,7 +328,7 @@ CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
 CONFIG_NXFLAT=n
 CONFIG_SCHED_WORKQUEUE=n
-CONFIG_SCHED_WORKPRIORITY=50
+CONFIG_SCHED_WORKPRIORITY=192
 CONFIG_SCHED_WORKPERIOD=50000
 CONFIG_SCHED_WORKSTACKSIZE=1024
 CONFIG_SIG_SIGWORK=4
--- a/configs/avr32dev1/ostest/defconfig
+++ b/configs/avr32dev1/ostest/defconfig
@ -328,7 +328,7 @@ CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
 CONFIG_NXFLAT=n
 CONFIG_SCHED_WORKQUEUE=n
-CONFIG_SCHED_WORKPRIORITY=50
+CONFIG_SCHED_WORKPRIORITY=192
 CONFIG_SCHED_WORKPERIOD=50000
 CONFIG_SCHED_WORKSTACKSIZE=1024
 CONFIG_SIG_SIGWORK=4
--- a/configs/demo9s12ne64/ostest/defconfig
+++ b/configs/demo9s12ne64/ostest/defconfig
@ -307,7 +307,7 @@ CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
 CONFIG_NXFLAT=n
 CONFIG_SCHED_WORKQUEUE=n
-CONFIG_SCHED_WORKPRIORITY=50
+CONFIG_SCHED_WORKPRIORITY=192
 CONFIG_SCHED_WORKPERIOD=50000
 CONFIG_SCHED_WORKSTACKSIZE=256
 CONFIG_SIG_SIGWORK=4
--- a/configs/ea3131/nsh/defconfig
+++ b/configs/ea3131/nsh/defconfig
@ -315,7 +315,7 @@ CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
 CONFIG_NXFLAT=n
 CONFIG_SCHED_WORKQUEUE=n
-CONFIG_SCHED_WORKPRIORITY=50
+CONFIG_SCHED_WORKPRIORITY=192
 CONFIG_SCHED_WORKPERIOD=50000
 CONFIG_SCHED_WORKSTACKSIZE=1024
 CONFIG_SIG_SIGWORK=4
--- a/configs/ea3131/ostest/defconfig
+++ b/configs/ea3131/ostest/defconfig
@ -315,7 +315,7 @@ CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
 CONFIG_NXFLAT=n
 CONFIG_SCHED_WORKQUEUE=n
-CONFIG_SCHED_WORKPRIORITY=50
+CONFIG_SCHED_WORKPRIORITY=192
 CONFIG_SCHED_WORKPERIOD=50000
 CONFIG_SCHED_WORKSTACKSIZE=1024
 CONFIG_SIG_SIGWORK=4
--- a/configs/ea3131/pgnsh/defconfig
+++ b/configs/ea3131/pgnsh/defconfig
@ -330,7 +330,7 @@ CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
 CONFIG_NXFLAT=n
 CONFIG_SCHED_WORKQUEUE=n
-CONFIG_SCHED_WORKPRIORITY=50
+CONFIG_SCHED_WORKPRIORITY=192
 CONFIG_SCHED_WORKPERIOD=50000
 CONFIG_SCHED_WORKSTACKSIZE=1024
 CONFIG_SIG_SIGWORK=4
--- a/configs/ea3131/usbserial/defconfig
+++ b/configs/ea3131/usbserial/defconfig
@ -317,7 +317,7 @@ CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
 CONFIG_NXFLAT=n
 CONFIG_SCHED_WORKQUEUE=y
-CONFIG_SCHED_WORKPRIORITY=50
+CONFIG_SCHED_WORKPRIORITY=192
 CONFIG_SCHED_WORKPERIOD=50000
 CONFIG_SCHED_WORKSTACKSIZE=1024
 CONFIG_SIG_SIGWORK=4
--- a/configs/ea3131/usbstorage/defconfig
+++ b/configs/ea3131/usbstorage/defconfig
@ -317,7 +317,7 @@ CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
 CONFIG_NXFLAT=n
 CONFIG_SCHED_WORKQUEUE=n
-CONFIG_SCHED_WORKPRIORITY=50
+CONFIG_SCHED_WORKPRIORITY=192
 CONFIG_SCHED_WORKPERIOD=50000
 CONFIG_SCHED_WORKSTACKSIZE=1024
 CONFIG_SIG_SIGWORK=4
--- a/configs/ea3152/ostest/defconfig
+++ b/configs/ea3152/ostest/defconfig
@ -316,7 +316,7 @@ CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
 CONFIG_NXFLAT=n
 CONFIG_SCHED_WORKQUEUE=n
-CONFIG_SCHED_WORKPRIORITY=50
+CONFIG_SCHED_WORKPRIORITY=192
 CONFIG_SCHED_WORKPERIOD=50000
 CONFIG_SCHED_WORKSTACKSIZE=1024
 CONFIG_SIG_SIGWORK=4
--- a/configs/hymini-stm32v/buttons/defconfig
+++ b/configs/hymini-stm32v/buttons/defconfig
@ -358,7 +358,7 @@ CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
 CONFIG_NXFLAT=n
 CONFIG_SCHED_WORKQUEUE=n
-CONFIG_SCHED_WORKPRIORITY=50
+CONFIG_SCHED_WORKPRIORITY=192
 CONFIG_SCHED_WORKPERIOD=50000
 CONFIG_SCHED_WORKSTACKSIZE=1024
 CONFIG_SIG_SIGWORK=4
--- a/configs/hymini-stm32v/nsh/defconfig
+++ b/configs/hymini-stm32v/nsh/defconfig
@ -354,7 +354,7 @@ CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
 CONFIG_NXFLAT=n
 CONFIG_SCHED_WORKQUEUE=y
-CONFIG_SCHED_WORKPRIORITY=50
+CONFIG_SCHED_WORKPRIORITY=192
 CONFIG_SCHED_WORKPERIOD=50000
 CONFIG_SCHED_WORKSTACKSIZE=1024
 CONFIG_SIG_SIGWORK=4
--- a/configs/hymini-stm32v/nsh2/defconfig
+++ b/configs/hymini-stm32v/nsh2/defconfig
@ -363,7 +363,7 @@ CONFIG_FDCLONE_DISABLE=n
 CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
 CONFIG_SCHED_WORKQUEUE=y
-CONFIG_SCHED_WORKPRIORITY=50
+CONFIG_SCHED_WORKPRIORITY=192
 CONFIG_SCHED_WORKPERIOD=50000
 CONFIG_SCHED_WORKSTACKSIZE=1024
 CONFIG_SIG_SIGWORK=4
--- a/configs/hymini-stm32v/nx/defconfig
+++ b/configs/hymini-stm32v/nx/defconfig
@ -352,7 +352,7 @@ CONFIG_FDCLONE_DISABLE=n
 CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
 CONFIG_SCHED_WORKQUEUE=y
-CONFIG_SCHED_WORKPRIORITY=50
+CONFIG_SCHED_WORKPRIORITY=192
 CONFIG_SCHED_WORKPERIOD=50000
 CONFIG_SCHED_WORKSTACKSIZE=1024
 CONFIG_SIG_SIGWORK=4
--- a/configs/hymini-stm32v/nxlines/defconfig
+++ b/configs/hymini-stm32v/nxlines/defconfig
@ -356,7 +356,7 @@ CONFIG_FDCLONE_DISABLE=n
 CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
 CONFIG_SCHED_WORKQUEUE=y
-CONFIG_SCHED_WORKPRIORITY=50
+CONFIG_SCHED_WORKPRIORITY=192
 CONFIG_SCHED_WORKPERIOD=50000
 CONFIG_SCHED_WORKSTACKSIZE=1024
 CONFIG_SIG_SIGWORK=4
--- a/configs/hymini-stm32v/usbserial/defconfig
+++ b/configs/hymini-stm32v/usbserial/defconfig
@ -358,7 +358,7 @@ CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
 CONFIG_NXFLAT=n
 CONFIG_SCHED_WORKQUEUE=n
-CONFIG_SCHED_WORKPRIORITY=50
+CONFIG_SCHED_WORKPRIORITY=192
 CONFIG_SCHED_WORKPERIOD=50000
 CONFIG_SCHED_WORKSTACKSIZE=1024
 CONFIG_SIG_SIGWORK=4
--- a/configs/hymini-stm32v/usbstorage/defconfig
+++ b/configs/hymini-stm32v/usbstorage/defconfig
@ -353,7 +353,7 @@ CONFIG_FDCLONE_DISABLE=n
 CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
 CONFIG_SCHED_WORKQUEUE=y
-CONFIG_SCHED_WORKPRIORITY=50
+CONFIG_SCHED_WORKPRIORITY=192
 CONFIG_SCHED_WORKPERIOD=50000
 CONFIG_SCHED_WORKSTACKSIZE=1024
 CONFIG_SIG_SIGWORK=4
--- a/configs/kwikstik-k40/ostest/defconfig
+++ b/configs/kwikstik-k40/ostest/defconfig
@ -418,7 +418,7 @@ CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
 CONFIG_NXFLAT=n
 CONFIG_SCHED_WORKQUEUE=n
-CONFIG_SCHED_WORKPRIORITY=50
+CONFIG_SCHED_WORKPRIORITY=192
 CONFIG_SCHED_WORKPERIOD=50000
 CONFIG_SCHED_WORKSTACKSIZE=1024
 CONFIG_SIG_SIGWORK=4
--- a/configs/lincoln60/nsh/defconfig
+++ b/configs/lincoln60/nsh/defconfig
@ -342,7 +342,7 @@ CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
 CONFIG_NXFLAT=n
 CONFIG_SCHED_WORKQUEUE=n
-CONFIG_SCHED_WORKPRIORITY=50
+CONFIG_SCHED_WORKPRIORITY=192
 CONFIG_SCHED_WORKPERIOD=50000
 CONFIG_SCHED_WORKSTACKSIZE=1024
 CONFIG_SIG_SIGWORK=4
--- a/configs/lincoln60/ostest/defconfig
+++ b/configs/lincoln60/ostest/defconfig
@ -349,7 +349,7 @@ CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
 CONFIG_NXFLAT=n
 CONFIG_SCHED_WORKQUEUE=n
-CONFIG_SCHED_WORKPRIORITY=50
+CONFIG_SCHED_WORKPRIORITY=192
 CONFIG_SCHED_WORKPERIOD=50000
 CONFIG_SCHED_WORKSTACKSIZE=1024
 CONFIG_SIG_SIGWORK=4
--- a/configs/lpcxpresso-lpc1768/dhcpd/defconfig
+++ b/configs/lpcxpresso-lpc1768/dhcpd/defconfig
@ -347,7 +347,7 @@ CONFIG_FDCLONE_DISABLE=n
 CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
 CONFIG_SCHED_WORKQUEUE=n
-CONFIG_SCHED_WORKPRIORITY=50
+CONFIG_SCHED_WORKPRIORITY=192
 CONFIG_SCHED_WORKPERIOD=50000
 CONFIG_SCHED_WORKSTACKSIZE=1024
 CONFIG_SIG_SIGWORK=4
--- a/configs/lpcxpresso-lpc1768/nsh/defconfig
+++ b/configs/lpcxpresso-lpc1768/nsh/defconfig
@ -355,7 +355,7 @@ CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
 CONFIG_NXFLAT=n
 CONFIG_SCHED_WORKQUEUE=n
-CONFIG_SCHED_WORKPRIORITY=50
+CONFIG_SCHED_WORKPRIORITY=192
 CONFIG_SCHED_WORKPERIOD=50000
 CONFIG_SCHED_WORKSTACKSIZE=1024
 CONFIG_SIG_SIGWORK=4
--- a/configs/lpcxpresso-lpc1768/nx/defconfig
+++ b/configs/lpcxpresso-lpc1768/nx/defconfig
@ -352,7 +352,7 @@ CONFIG_FDCLONE_DISABLE=n
 CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
 CONFIG_SCHED_WORKQUEUE=n
-CONFIG_SCHED_WORKPRIORITY=50
+CONFIG_SCHED_WORKPRIORITY=192
 CONFIG_SCHED_WORKPERIOD=50000
 CONFIG_SCHED_WORKSTACKSIZE=1024
 CONFIG_SIG_SIGWORK=4
--- a/configs/lpcxpresso-lpc1768/ostest/defconfig
+++ b/configs/lpcxpresso-lpc1768/ostest/defconfig
@ -345,7 +345,7 @@ CONFIG_FDCLONE_DISABLE=n
 CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
 CONFIG_SCHED_WORKQUEUE=n
-CONFIG_SCHED_WORKPRIORITY=50
+CONFIG_SCHED_WORKPRIORITY=192
 CONFIG_SCHED_WORKPERIOD=50000
 CONFIG_SCHED_WORKSTACKSIZE=1024
 CONFIG_SIG_SIGWORK=4
--- a/configs/lpcxpresso-lpc1768/thttpd/defconfig
+++ b/configs/lpcxpresso-lpc1768/thttpd/defconfig
@ -352,7 +352,7 @@ CONFIG_FDCLONE_DISABLE=n
 CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=n
 CONFIG_SCHED_WORKQUEUE=n
-CONFIG_SCHED_WORKPRIORITY=50
+CONFIG_SCHED_WORKPRIORITY=192
 CONFIG_SCHED_WORKPERIOD=50000
 CONFIG_SCHED_WORKSTACKSIZE=1024
 CONFIG_SIG_SIGWORK=4
--- a/configs/lpcxpresso-lpc1768/usbstorage/defconfig
+++ b/configs/lpcxpresso-lpc1768/usbstorage/defconfig
@ -350,7 +350,7 @@ CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
 CONFIG_NXFLAT=n
 CONFIG_SCHED_WORKQUEUE=n
-CONFIG_SCHED_WORKPRIORITY=50
+CONFIG_SCHED_WORKPRIORITY=192
 CONFIG_SCHED_WORKPERIOD=50000
 CONFIG_SCHED_WORKSTACKSIZE=1024
 CONFIG_SIG_SIGWORK=4
--- a/configs/mbed/hidkbd/defconfig
+++ b/configs/mbed/hidkbd/defconfig
@ -350,7 +350,7 @@ CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
 CONFIG_NXFLAT=n
 CONFIG_SCHED_WORKQUEUE=y
-CONFIG_SCHED_WORKPRIORITY=50
+CONFIG_SCHED_WORKPRIORITY=192
 CONFIG_SCHED_WORKPERIOD=50000
 CONFIG_SCHED_WORKSTACKSIZE=1024
 CONFIG_SIG_SIGWORK=4
--- a/configs/mbed/nsh/defconfig
+++ b/configs/mbed/nsh/defconfig
@ -342,7 +342,7 @@ CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
 CONFIG_NXFLAT=n
 CONFIG_SCHED_WORKQUEUE=n
-CONFIG_SCHED_WORKPRIORITY=50
+CONFIG_SCHED_WORKPRIORITY=192
 CONFIG_SCHED_WORKPERIOD=50000
 CONFIG_SCHED_WORKSTACKSIZE=1024
 CONFIG_SIG_SIGWORK=4
--- a/configs/micropendous3/hello/defconfig
+++ b/configs/micropendous3/hello/defconfig
@ -281,7 +281,7 @@ CONFIG_FDCLONE_DISABLE=n
 CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
 CONFIG_SCHED_WORKQUEUE=n
-CONFIG_SCHED_WORKPRIORITY=50
+CONFIG_SCHED_WORKPRIORITY=192
 CONFIG_SCHED_WORKPERIOD=50000
 CONFIG_SCHED_WORKSTACKSIZE=1024
 CONFIG_SIG_SIGWORK=4
--- a/configs/ne64badge/ostest/defconfig
+++ b/configs/ne64badge/ostest/defconfig
@ -318,7 +318,7 @@ CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
 CONFIG_NXFLAT=n
 CONFIG_SCHED_WORKQUEUE=n
-CONFIG_SCHED_WORKPRIORITY=50
+CONFIG_SCHED_WORKPRIORITY=192
 CONFIG_SCHED_WORKPERIOD=50000
 CONFIG_SCHED_WORKSTACKSIZE=256
 CONFIG_SIG_SIGWORK=4
--- a/configs/nucleus2g/nsh/defconfig
+++ b/configs/nucleus2g/nsh/defconfig
@ -346,7 +346,7 @@ CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
 CONFIG_NXFLAT=n
 CONFIG_SCHED_WORKQUEUE=n
-CONFIG_SCHED_WORKPRIORITY=50
+CONFIG_SCHED_WORKPRIORITY=192
 CONFIG_SCHED_WORKPERIOD=50000
 CONFIG_SCHED_WORKSTACKSIZE=1024
 CONFIG_SIG_SIGWORK=4
--- a/configs/nucleus2g/ostest/defconfig
+++ b/configs/nucleus2g/ostest/defconfig
@ -342,7 +342,7 @@ CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
 CONFIG_NXFLAT=n
 CONFIG_SCHED_WORKQUEUE=n
-CONFIG_SCHED_WORKPRIORITY=50
+CONFIG_SCHED_WORKPRIORITY=192
 CONFIG_SCHED_WORKPERIOD=50000
 CONFIG_SCHED_WORKSTACKSIZE=1024
 CONFIG_SIG_SIGWORK=4
--- a/configs/nucleus2g/usbserial/defconfig
+++ b/configs/nucleus2g/usbserial/defconfig
@ -343,7 +343,7 @@ CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
 CONFIG_NXFLAT=n
 CONFIG_SCHED_WORKQUEUE=n
-CONFIG_SCHED_WORKPRIORITY=50
+CONFIG_SCHED_WORKPRIORITY=192
 CONFIG_SCHED_WORKPERIOD=50000
 CONFIG_SCHED_WORKSTACKSIZE=1024
 CONFIG_SIG_SIGWORK=4
--- a/configs/nucleus2g/usbstorage/defconfig
+++ b/configs/nucleus2g/usbstorage/defconfig
@ -343,7 +343,7 @@ CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
 CONFIG_NXFLAT=n
 CONFIG_SCHED_WORKQUEUE=n
-CONFIG_SCHED_WORKPRIORITY=50
+CONFIG_SCHED_WORKPRIORITY=192
 CONFIG_SCHED_WORKPERIOD=50000
 CONFIG_SCHED_WORKSTACKSIZE=1024
 CONFIG_SIG_SIGWORK=4
--- a/configs/olimex-lpc1766stk/ftpc/defconfig
+++ b/configs/olimex-lpc1766stk/ftpc/defconfig
@ -354,7 +354,7 @@ CONFIG_FDCLONE_DISABLE=n
 CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
 CONFIG_SCHED_WORKQUEUE=n
-CONFIG_SCHED_WORKPRIORITY=50
+CONFIG_SCHED_WORKPRIORITY=192
 CONFIG_SCHED_WORKPERIOD=50000
 CONFIG_SCHED_WORKSTACKSIZE=1024
 CONFIG_SIG_SIGWORK=4
--- a/configs/olimex-lpc1766stk/hidkbd/defconfig
+++ b/configs/olimex-lpc1766stk/hidkbd/defconfig
@ -356,7 +356,7 @@ CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
 CONFIG_NXFLAT=n
 CONFIG_SCHED_WORKQUEUE=y
-CONFIG_SCHED_WORKPRIORITY=50
+CONFIG_SCHED_WORKPRIORITY=192
 CONFIG_SCHED_WORKPERIOD=50000
 CONFIG_SCHED_WORKSTACKSIZE=1024
 CONFIG_SIG_SIGWORK=4
--- a/configs/olimex-lpc1766stk/nettest/defconfig
+++ b/configs/olimex-lpc1766stk/nettest/defconfig
@ -356,7 +356,7 @@ CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
 CONFIG_NXFLAT=n
 CONFIG_SCHED_WORKQUEUE=n
-CONFIG_SCHED_WORKPRIORITY=50
+CONFIG_SCHED_WORKPRIORITY=192
 CONFIG_SCHED_WORKPERIOD=50000
 CONFIG_SCHED_WORKSTACKSIZE=1024
 CONFIG_SIG_SIGWORK=4
--- a/configs/olimex-lpc1766stk/nsh/defconfig
+++ b/configs/olimex-lpc1766stk/nsh/defconfig
@ -357,7 +357,7 @@ CONFIG_FDCLONE_DISABLE=n
 CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
 CONFIG_SCHED_WORKQUEUE=n
-CONFIG_SCHED_WORKPRIORITY=50
+CONFIG_SCHED_WORKPRIORITY=192
 CONFIG_SCHED_WORKPERIOD=50000
 CONFIG_SCHED_WORKSTACKSIZE=1024
 CONFIG_SIG_SIGWORK=4
--- a/configs/olimex-lpc1766stk/nx/defconfig
+++ b/configs/olimex-lpc1766stk/nx/defconfig
@ -360,7 +360,7 @@ CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
 CONFIG_NXFLAT=n
 CONFIG_SCHED_WORKQUEUE=n
-CONFIG_SCHED_WORKPRIORITY=50
+CONFIG_SCHED_WORKPRIORITY=192
 CONFIG_SCHED_WORKPERIOD=50000
 CONFIG_SCHED_WORKSTACKSIZE=1024
 CONFIG_SIG_SIGWORK=4
--- a/configs/olimex-lpc1766stk/ostest/defconfig
+++ b/configs/olimex-lpc1766stk/ostest/defconfig
@ -349,7 +349,7 @@ CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
 CONFIG_NXFLAT=n
 CONFIG_SCHED_WORKQUEUE=n
-CONFIG_SCHED_WORKPRIORITY=50
+CONFIG_SCHED_WORKPRIORITY=192
 CONFIG_SCHED_WORKPERIOD=50000
 CONFIG_SCHED_WORKSTACKSIZE=1024
 CONFIG_SIG_SIGWORK=4
--- a/configs/olimex-lpc1766stk/slip-httpd/defconfig
+++ b/configs/olimex-lpc1766stk/slip-httpd/defconfig
@ -351,7 +351,7 @@ CONFIG_FDCLONE_DISABLE=n
 CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=n
 CONFIG_SCHED_WORKQUEUE=n
-CONFIG_SCHED_WORKPRIORITY=50
+CONFIG_SCHED_WORKPRIORITY=192
 CONFIG_SCHED_WORKPERIOD=50000
 CONFIG_SCHED_WORKSTACKSIZE=2048
 CONFIG_SIG_SIGWORK=4
--- a/configs/olimex-lpc1766stk/thttpd/defconfig
+++ b/configs/olimex-lpc1766stk/thttpd/defconfig
@ -349,7 +349,7 @@ CONFIG_FDCLONE_DISABLE=n
 CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=n
 CONFIG_SCHED_WORKQUEUE=n
-CONFIG_SCHED_WORKPRIORITY=50
+CONFIG_SCHED_WORKPRIORITY=192
 CONFIG_SCHED_WORKPERIOD=50000
 CONFIG_SCHED_WORKSTACKSIZE=1024
 CONFIG_SIG_SIGWORK=4
--- a/configs/olimex-lpc1766stk/usbserial/defconfig
+++ b/configs/olimex-lpc1766stk/usbserial/defconfig
@ -350,7 +350,7 @@ CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
 CONFIG_NXFLAT=n
 CONFIG_SCHED_WORKQUEUE=n
-CONFIG_SCHED_WORKPRIORITY=50
+CONFIG_SCHED_WORKPRIORITY=192
 CONFIG_SCHED_WORKPERIOD=50000
 CONFIG_SCHED_WORKSTACKSIZE=1024
 CONFIG_SIG_SIGWORK=4
--- a/configs/olimex-lpc1766stk/usbstorage/defconfig
+++ b/configs/olimex-lpc1766stk/usbstorage/defconfig
@ -350,7 +350,7 @@ CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
 CONFIG_NXFLAT=n
 CONFIG_SCHED_WORKQUEUE=n
-CONFIG_SCHED_WORKPRIORITY=50
+CONFIG_SCHED_WORKPRIORITY=192
 CONFIG_SCHED_WORKPERIOD=50000
 CONFIG_SCHED_WORKSTACKSIZE=1024
 CONFIG_SIG_SIGWORK=4
--- a/configs/olimex-lpc1766stk/wlan/defconfig
+++ b/configs/olimex-lpc1766stk/wlan/defconfig
@ -350,7 +350,7 @@ CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
 CONFIG_NXFLAT=n
 CONFIG_SCHED_WORKQUEUE=y
-CONFIG_SCHED_WORKPRIORITY=50
+CONFIG_SCHED_WORKPRIORITY=192
 CONFIG_SCHED_WORKPERIOD=50000
 CONFIG_SCHED_WORKSTACKSIZE=1024
 CONFIG_SIG_SIGWORK=4
--- a/configs/olimex-stm32-p107/nsh/defconfig
+++ b/configs/olimex-stm32-p107/nsh/defconfig
@ -409,7 +409,7 @@ CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
 CONFIG_NXFLAT=n
 CONFIG_SCHED_WORKQUEUE=y
-CONFIG_SCHED_WORKPRIORITY=50
+CONFIG_SCHED_WORKPRIORITY=192
 CONFIG_SCHED_WORKPERIOD=50000
 CONFIG_SCHED_WORKSTACKSIZE=1024
 CONFIG_SIG_SIGWORK=4
--- a/configs/olimex-stm32-p107/ostest/defconfig
+++ b/configs/olimex-stm32-p107/ostest/defconfig
@ -436,7 +436,7 @@ CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
 CONFIG_NXFLAT=n
 CONFIG_SCHED_WORKQUEUE=n
-CONFIG_SCHED_WORKPRIORITY=50
+CONFIG_SCHED_WORKPRIORITY=192
 CONFIG_SCHED_WORKPERIOD=50000
 CONFIG_SCHED_WORKSTACKSIZE=1024
 CONFIG_SIG_SIGWORK=4
--- a/configs/olimex-strp711/nettest/defconfig
+++ b/configs/olimex-strp711/nettest/defconfig
@ -313,7 +313,7 @@ CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
 CONFIG_NXFLAT=n
 CONFIG_SCHED_WORKQUEUE=y
-CONFIG_SCHED_WORKPRIORITY=50
+CONFIG_SCHED_WORKPRIORITY=192
 CONFIG_SCHED_WORKPERIOD=50000
 CONFIG_SCHED_WORKSTACKSIZE=1024
 CONFIG_SIG_SIGWORK=4
--- a/configs/pcblogic-pic32mx/nsh/defconfig
+++ b/configs/pcblogic-pic32mx/nsh/defconfig
@ -367,7 +367,7 @@ CONFIG_FDCLONE_DISABLE=n
 CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
 CONFIG_SCHED_WORKQUEUE=n
-CONFIG_SCHED_WORKPRIORITY=50
+CONFIG_SCHED_WORKPRIORITY=192
 CONFIG_SCHED_WORKPERIOD=50000
 CONFIG_SCHED_WORKSTACKSIZE=1024
 CONFIG_SIG_SIGWORK=4
--- a/configs/pcblogic-pic32mx/ostest/defconfig
+++ b/configs/pcblogic-pic32mx/ostest/defconfig
@ -359,7 +359,7 @@ CONFIG_FDCLONE_DISABLE=n
 CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
 CONFIG_SCHED_WORKQUEUE=n
-CONFIG_SCHED_WORKPRIORITY=50
+CONFIG_SCHED_WORKPRIORITY=192
 CONFIG_SCHED_WORKPERIOD=50000
 CONFIG_SCHED_WORKSTACKSIZE=1024
 CONFIG_SIG_SIGWORK=4
--- a/configs/sam3u-ek/knsh/defconfig
+++ b/configs/sam3u-ek/knsh/defconfig
@ -335,7 +335,7 @@ CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
 CONFIG_NXFLAT=n
 CONFIG_SCHED_WORKQUEUE=n
-CONFIG_SCHED_WORKPRIORITY=50
+CONFIG_SCHED_WORKPRIORITY=192
 CONFIG_SCHED_WORKPERIOD=50000
 CONFIG_SCHED_WORKSTACKSIZE=1024
 CONFIG_SIG_SIGWORK=4
--- a/configs/sam3u-ek/nsh/defconfig
+++ b/configs/sam3u-ek/nsh/defconfig
@ -315,7 +315,7 @@ CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
 CONFIG_NXFLAT=n
 CONFIG_SCHED_WORKQUEUE=n
-CONFIG_SCHED_WORKPRIORITY=50
+CONFIG_SCHED_WORKPRIORITY=192
 CONFIG_SCHED_WORKPERIOD=50000
 CONFIG_SCHED_WORKSTACKSIZE=1024
 CONFIG_SIG_SIGWORK=4
--- a/configs/sam3u-ek/nx/defconfig
+++ b/configs/sam3u-ek/nx/defconfig
@ -316,7 +316,7 @@ CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
 CONFIG_NXFLAT=n
 CONFIG_SCHED_WORKQUEUE=n
-CONFIG_SCHED_WORKPRIORITY=50
+CONFIG_SCHED_WORKPRIORITY=192
 CONFIG_SCHED_WORKPERIOD=50000
 CONFIG_SCHED_WORKSTACKSIZE=1024
 CONFIG_SIG_SIGWORK=4
--- a/configs/sam3u-ek/ostest/defconfig
+++ b/configs/sam3u-ek/ostest/defconfig
@ -316,7 +316,7 @@ CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
 CONFIG_NXFLAT=n
 CONFIG_SCHED_WORKQUEUE=n
-CONFIG_SCHED_WORKPRIORITY=50
+CONFIG_SCHED_WORKPRIORITY=192
 CONFIG_SCHED_WORKPERIOD=50000
 CONFIG_SCHED_WORKSTACKSIZE=1024
 CONFIG_SIG_SIGWORK=4
--- a/configs/sam3u-ek/touchscreen/defconfig
+++ b/configs/sam3u-ek/touchscreen/defconfig
@ -321,7 +321,7 @@ CONFIG_FDCLONE_DISABLE=n
 CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
 CONFIG_SCHED_WORKQUEUE=y
-CONFIG_SCHED_WORKPRIORITY=50
+CONFIG_SCHED_WORKPRIORITY=192
 CONFIG_SCHED_WORKPERIOD=50000
 CONFIG_SCHED_WORKSTACKSIZE=1024
 CONFIG_SIG_SIGWORK=4
--- a/configs/sim/nsh2/defconfig
+++ b/configs/sim/nsh2/defconfig
@ -190,7 +190,7 @@ CONFIG_SIG_SIGWORK=4
 CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
 CONFIG_SCHED_WORKQUEUE=n
-CONFIG_SCHED_WORKPRIORITY=50
+CONFIG_SCHED_WORKPRIORITY=192
 CONFIG_SCHED_WORKPERIOD=50000
 CONFIG_SCHED_WORKSTACKSIZE=1024
 CONFIG_SCHED_WAITPID=y
--- a/configs/stm3210e-eval/RIDE/defconfig
+++ b/configs/stm3210e-eval/RIDE/defconfig
@ -375,7 +375,7 @@ CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
 CONFIG_NXFLAT=n
 CONFIG_SCHED_WORKQUEUE=n
-CONFIG_SCHED_WORKPRIORITY=50
+CONFIG_SCHED_WORKPRIORITY=192
 CONFIG_SCHED_WORKPERIOD=50000
 CONFIG_SCHED_WORKSTACKSIZE=1024
 CONFIG_SIG_SIGWORK=4
--- a/configs/stm3210e-eval/buttons/defconfig
+++ b/configs/stm3210e-eval/buttons/defconfig
@ -387,7 +387,7 @@ CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
 CONFIG_NXFLAT=n
 CONFIG_SCHED_WORKQUEUE=n
-CONFIG_SCHED_WORKPRIORITY=50
+CONFIG_SCHED_WORKPRIORITY=192
 CONFIG_SCHED_WORKPERIOD=50000
 CONFIG_SCHED_WORKSTACKSIZE=1024
 CONFIG_SIG_SIGWORK=4
--- a/configs/stm3210e-eval/composite/defconfig
+++ b/configs/stm3210e-eval/composite/defconfig
@ -381,7 +381,7 @@ CONFIG_FDCLONE_DISABLE=n
 CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
 CONFIG_SCHED_WORKQUEUE=y
-CONFIG_SCHED_WORKPRIORITY=50
+CONFIG_SCHED_WORKPRIORITY=192
 CONFIG_SCHED_WORKPERIOD=50000
 CONFIG_SCHED_WORKSTACKSIZE=1024
 CONFIG_SIG_SIGWORK=4
--- a/configs/stm3210e-eval/nsh/defconfig
+++ b/configs/stm3210e-eval/nsh/defconfig
@ -383,7 +383,7 @@ CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
 CONFIG_NXFLAT=n
 CONFIG_SCHED_WORKQUEUE=y
-CONFIG_SCHED_WORKPRIORITY=50
+CONFIG_SCHED_WORKPRIORITY=192
 CONFIG_SCHED_WORKPERIOD=50000
 CONFIG_SCHED_WORKSTACKSIZE=1024
 CONFIG_SIG_SIGWORK=4
--- a/configs/stm3210e-eval/nsh2/defconfig
+++ b/configs/stm3210e-eval/nsh2/defconfig
@ -442,7 +442,7 @@ CONFIG_FDCLONE_DISABLE=n
 CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
 CONFIG_SCHED_WORKQUEUE=y
-CONFIG_SCHED_WORKPRIORITY=50
+CONFIG_SCHED_WORKPRIORITY=192
 CONFIG_SCHED_WORKPERIOD=50000
 CONFIG_SCHED_WORKSTACKSIZE=1024
 CONFIG_SIG_SIGWORK=4
--- a/configs/stm3210e-eval/nx/defconfig
+++ b/configs/stm3210e-eval/nx/defconfig
@ -381,7 +381,7 @@ CONFIG_FDCLONE_DISABLE=n
 CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
 CONFIG_SCHED_WORKQUEUE=y
-CONFIG_SCHED_WORKPRIORITY=50
+CONFIG_SCHED_WORKPRIORITY=192
 CONFIG_SCHED_WORKPERIOD=50000
 CONFIG_SCHED_WORKSTACKSIZE=1024
 CONFIG_SIG_SIGWORK=4
--- a/configs/stm3210e-eval/nxconsole/defconfig
+++ b/configs/stm3210e-eval/nxconsole/defconfig
@ -381,7 +381,7 @@ CONFIG_FDCLONE_DISABLE=n
 CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
 CONFIG_SCHED_WORKQUEUE=y
-CONFIG_SCHED_WORKPRIORITY=50
+CONFIG_SCHED_WORKPRIORITY=192
 CONFIG_SCHED_WORKPERIOD=50000
 CONFIG_SCHED_WORKSTACKSIZE=1024
 CONFIG_SIG_SIGWORK=4
--- a/configs/stm3210e-eval/nxlines/defconfig
+++ b/configs/stm3210e-eval/nxlines/defconfig
@ -381,7 +381,7 @@ CONFIG_FDCLONE_DISABLE=n
 CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
 CONFIG_SCHED_WORKQUEUE=y
-CONFIG_SCHED_WORKPRIORITY=50
+CONFIG_SCHED_WORKPRIORITY=192
 CONFIG_SCHED_WORKPERIOD=50000
 CONFIG_SCHED_WORKSTACKSIZE=1024
 CONFIG_SIG_SIGWORK=4
--- a/configs/stm3210e-eval/nxtext/defconfig
+++ b/configs/stm3210e-eval/nxtext/defconfig
@ -381,7 +381,7 @@ CONFIG_FDCLONE_DISABLE=n
 CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
 CONFIG_SCHED_WORKQUEUE=y
-CONFIG_SCHED_WORKPRIORITY=50
+CONFIG_SCHED_WORKPRIORITY=192
 CONFIG_SCHED_WORKPERIOD=50000
 CONFIG_SCHED_WORKSTACKSIZE=1024
 CONFIG_SIG_SIGWORK=4
--- a/configs/stm3210e-eval/ostest/defconfig
+++ b/configs/stm3210e-eval/ostest/defconfig
@ -411,7 +411,7 @@ CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
 CONFIG_NXFLAT=n
 CONFIG_SCHED_WORKQUEUE=n
-CONFIG_SCHED_WORKPRIORITY=50
+CONFIG_SCHED_WORKPRIORITY=192
 CONFIG_SCHED_WORKPERIOD=50000
 CONFIG_SCHED_WORKSTACKSIZE=1024
 CONFIG_SIG_SIGWORK=4
--- a/configs/stm3210e-eval/pm/defconfig
+++ b/configs/stm3210e-eval/pm/defconfig
@ -452,7 +452,7 @@ CONFIG_FDCLONE_DISABLE=n
 CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
 CONFIG_SCHED_WORKQUEUE=y
-CONFIG_SCHED_WORKPRIORITY=50
+CONFIG_SCHED_WORKPRIORITY=192
 CONFIG_SCHED_WORKPERIOD=50000
 CONFIG_SCHED_WORKSTACKSIZE=1024
 CONFIG_SIG_SIGWORK=4
--- a/configs/stm3210e-eval/usbserial/defconfig
+++ b/configs/stm3210e-eval/usbserial/defconfig
@ -386,7 +386,7 @@ CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
 CONFIG_NXFLAT=n
 CONFIG_SCHED_WORKQUEUE=n
-CONFIG_SCHED_WORKPRIORITY=50
+CONFIG_SCHED_WORKPRIORITY=192
 CONFIG_SCHED_WORKPERIOD=50000
 CONFIG_SCHED_WORKSTACKSIZE=1024
 CONFIG_SIG_SIGWORK=4
--- a/configs/stm3210e-eval/usbstorage/defconfig
+++ b/configs/stm3210e-eval/usbstorage/defconfig
@ -381,7 +381,7 @@ CONFIG_FDCLONE_DISABLE=n
 CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
 CONFIG_SCHED_WORKQUEUE=y
-CONFIG_SCHED_WORKPRIORITY=50
+CONFIG_SCHED_WORKPRIORITY=192
 CONFIG_SCHED_WORKPERIOD=50000
 CONFIG_SCHED_WORKSTACKSIZE=1024
 CONFIG_SIG_SIGWORK=4
--- a/configs/stm3220g-eval/dhcpd/defconfig
+++ b/configs/stm3220g-eval/dhcpd/defconfig
@ -487,7 +487,7 @@ CONFIG_FDCLONE_DISABLE=n
 CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
 CONFIG_SCHED_WORKQUEUE=n
-CONFIG_SCHED_WORKPRIORITY=50
+CONFIG_SCHED_WORKPRIORITY=192
 CONFIG_SCHED_WORKPERIOD=50000
 CONFIG_SCHED_WORKSTACKSIZE=1024
 CONFIG_SIG_SIGWORK=4
--- a/configs/stm3220g-eval/nettest/defconfig
+++ b/configs/stm3220g-eval/nettest/defconfig
@ -487,7 +487,7 @@ CONFIG_FDCLONE_DISABLE=n
 CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
 CONFIG_SCHED_WORKQUEUE=n
-CONFIG_SCHED_WORKPRIORITY=50
+CONFIG_SCHED_WORKPRIORITY=192
 CONFIG_SCHED_WORKPERIOD=50000
 CONFIG_SCHED_WORKSTACKSIZE=1024
 CONFIG_SIG_SIGWORK=4
--- a/configs/stm3220g-eval/ostest/defconfig
+++ b/configs/stm3220g-eval/ostest/defconfig
@ -486,7 +486,7 @@ CONFIG_FDCLONE_DISABLE=n
 CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
 CONFIG_SCHED_WORKQUEUE=n
-CONFIG_SCHED_WORKPRIORITY=50
+CONFIG_SCHED_WORKPRIORITY=192
 CONFIG_SCHED_WORKPERIOD=50000
 CONFIG_SCHED_WORKSTACKSIZE=1024
 CONFIG_SIG_SIGWORK=4
--- a/configs/stm3220g-eval/telnetd/defconfig
+++ b/configs/stm3220g-eval/telnetd/defconfig
@ -487,7 +487,7 @@ CONFIG_FDCLONE_DISABLE=n
 CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
 CONFIG_SCHED_WORKQUEUE=n
-CONFIG_SCHED_WORKPRIORITY=50
+CONFIG_SCHED_WORKPRIORITY=192
 CONFIG_SCHED_WORKPERIOD=50000
 CONFIG_SCHED_WORKSTACKSIZE=1024
 CONFIG_SIG_SIGWORK=4
--- a/configs/stm3240g-eval/dhcpd/defconfig
+++ b/configs/stm3240g-eval/dhcpd/defconfig
@ -497,7 +497,7 @@ CONFIG_FDCLONE_DISABLE=n
 CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
 CONFIG_SCHED_WORKQUEUE=n
-CONFIG_SCHED_WORKPRIORITY=50
+CONFIG_SCHED_WORKPRIORITY=192
 CONFIG_SCHED_WORKPERIOD=50000
 CONFIG_SCHED_WORKSTACKSIZE=1024
 CONFIG_SIG_SIGWORK=4
--- a/configs/stm3240g-eval/nettest/defconfig
+++ b/configs/stm3240g-eval/nettest/defconfig
@ -497,7 +497,7 @@ CONFIG_FDCLONE_DISABLE=n
 CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
 CONFIG_SCHED_WORKQUEUE=n
-CONFIG_SCHED_WORKPRIORITY=50
+CONFIG_SCHED_WORKPRIORITY=192
 CONFIG_SCHED_WORKPERIOD=50000
 CONFIG_SCHED_WORKSTACKSIZE=1024
 CONFIG_SIG_SIGWORK=4
--- a/configs/stm3240g-eval/ostest/defconfig
+++ b/configs/stm3240g-eval/ostest/defconfig
@ -494,7 +494,7 @@ CONFIG_FDCLONE_DISABLE=n
 CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
 CONFIG_SCHED_WORKQUEUE=n
-CONFIG_SCHED_WORKPRIORITY=50
+CONFIG_SCHED_WORKPRIORITY=192
 CONFIG_SCHED_WORKPERIOD=50000
 CONFIG_SCHED_WORKSTACKSIZE=1024
 CONFIG_SIG_SIGWORK=4
--- a/configs/stm3240g-eval/telnetd/defconfig
+++ b/configs/stm3240g-eval/telnetd/defconfig
@ -497,7 +497,7 @@ CONFIG_FDCLONE_DISABLE=n
 CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
 CONFIG_SCHED_WORKQUEUE=n
-CONFIG_SCHED_WORKPRIORITY=50
+CONFIG_SCHED_WORKPRIORITY=192
 CONFIG_SCHED_WORKPERIOD=50000
 CONFIG_SCHED_WORKSTACKSIZE=1024
 CONFIG_SIG_SIGWORK=4
--- a/configs/stm32f4discovery/README.txt
+++ b/configs/stm32f4discovery/README.txt
@ -906,7 +906,7 @@ STM32F4Discovery-specific Configuration Options
     want to do that?
   CONFIG_STM32_USBHOST_REGDEBUG - Enable very low-level register access
     debug.  Depends on CONFIG_DEBUG.
-    CONFIG_STM32_USBHOST_PKTDUMP - Dump all incoming and outgoing USB
+   CONFIG_STM32_USBHOST_PKTDUMP - Dump all incoming and outgoing USB
     packets. Depends on CONFIG_DEBUG.

 Configurations
@ -1066,19 +1066,65 @@ Where <subdir> is one of the following:
        you can still use certain kinds of debug output (see include/debug.h, all
        of the interfaces based on lib_lowprintf will work in this configuration).

-    8. USB OTG FS Device or Host Support
+    6. USB OTG FS Host Support.  The following changes will enable support for
+       a USB host on the STM32F4Discovery, including support for a mass storage
+       class driver:
 
-       CONFIG_USBDEV          - Enable USB device support, OR
-       CONFIG_USBHOST         - Enable USB host support (but not both)
+       CONFIG_USBDEV=n          - Make sure tht USB device support is disabled
+       CONFIG_USBHOST=y         - Enable USB host support
+       CONFIG_STM32_OTGFS=y     - Enable the STM32 USB OTG FS block
+       CONFIG_STM32_SYSCFG=y    - Needed for all USB OTF FS support
+       CONFIG_SCHED_WORKQUEUE=y - Worker thread support is required for the mass
+                                  storage class driver.
+       CONFIG_NSH_ARCHINIT=y    - Architecture specific USB initialization
+                                  is needed for NSH
+       CONFIG_FS_FAT=y          - Needed by the USB host mass storage class.

-       CONFIG_STM32_OTGFS     - Enable the STM32 USB OTG FS block
-       CONFIG_STM32_SYSCFG    - Needed for all USB OTF FS support
+       With those changes, you can use NSH with a FLASH pen driver as shown
+       belong.  Here NSH is started with nothing in the USB host slot:
+
+       NuttShell (NSH) NuttX-x.yy
+       nsh> ls /dev
+       /dev:
+        console
+        null
+        ttyS0
+
+       After inserting the FLASH drive, the /dev/sda appears and can be
+       mounted like this:
+
+       nsh> ls /dev
+       /dev:
+        console
+        null
+        sda
+        ttyS0
+       nsh> mount -t vfat /dev/sda /mnt/stuff
+       nsh> ls /mnt/stuff
+       /mnt/stuff:
+        -rw-rw-rw-   16236 filea.c
+
+       And files on the FLASH can be manipulated to standard interfaces:
+
+       nsh> echo "This is a test" >/mnt/stuff/atest.txt
+       nsh> ls /mnt/stuff
+       /mnt/stuff:
+        -rw-rw-rw-   16236 filea.c
+        -rw-rw-rw-      16 atest.txt
+       nsh> cat /mnt/stuff/atest.txt
+       This is a test
+       nsh> cp /mnt/stuff/filea.c fileb.c
+       nsh> ls /mnt/stuff
+       /mnt/stuff:
+        -rw-rw-rw-   16236 filea.c
+        -rw-rw-rw-      16 atest.txt
+        -rw-rw-rw-   16236 fileb.c
+
+       To prevent data loss, don't forget to un-mount the FLASH drive
+       before removing it:
+
+       nsh> umount /mnt/stuff

-       CONFIG_SCHED_WORKQUEUE - Worker thread support is required for the mass
-                                storage class (both host and device).
-       CONFIG_NSH_ARCHINIT    - Architecture specific USB initialization
-                                is needed
- 
  nxlines:
  ------
    An example using the NuttX graphics system (NX).   This example focuses on
--- a/configs/stm32f4discovery/nsh/defconfig
+++ b/configs/stm32f4discovery/nsh/defconfig
@ -488,7 +488,7 @@ CONFIG_FDCLONE_DISABLE=n
 CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
 CONFIG_SCHED_WORKQUEUE=n
-CONFIG_SCHED_WORKPRIORITY=50
+CONFIG_SCHED_WORKPRIORITY=192
 CONFIG_SCHED_WORKPERIOD=50000
 CONFIG_SCHED_WORKSTACKSIZE=1024
 CONFIG_SIG_SIGWORK=4
--- a/configs/stm32f4discovery/nxlines/defconfig
+++ b/configs/stm32f4discovery/nxlines/defconfig
@ -488,7 +488,7 @@ CONFIG_FDCLONE_DISABLE=n
 CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
 CONFIG_SCHED_WORKQUEUE=n
-CONFIG_SCHED_WORKPRIORITY=50
+CONFIG_SCHED_WORKPRIORITY=192
 CONFIG_SCHED_WORKPERIOD=50000
 CONFIG_SCHED_WORKSTACKSIZE=1024
 CONFIG_SIG_SIGWORK=4
--- a/configs/stm32f4discovery/ostest/defconfig
+++ b/configs/stm32f4discovery/ostest/defconfig
@ -461,7 +461,7 @@ CONFIG_FDCLONE_DISABLE=n
 CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
 CONFIG_SCHED_WORKQUEUE=n
-CONFIG_SCHED_WORKPRIORITY=50
+CONFIG_SCHED_WORKPRIORITY=192
 CONFIG_SCHED_WORKPERIOD=50000
 CONFIG_SCHED_WORKSTACKSIZE=1024
 CONFIG_SIG_SIGWORK=4
--- a/configs/stm32f4discovery/pm/defconfig
+++ b/configs/stm32f4discovery/pm/defconfig
@ -489,7 +489,7 @@ CONFIG_FDCLONE_DISABLE=n
 CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
 CONFIG_SCHED_WORKQUEUE=y
-CONFIG_SCHED_WORKPRIORITY=50
+CONFIG_SCHED_WORKPRIORITY=192
 CONFIG_SCHED_WORKPERIOD=50000
 CONFIG_SCHED_WORKSTACKSIZE=1024
 CONFIG_SIG_SIGWORK=4
--- a/configs/sure-pic32mx/ostest/defconfig
+++ b/configs/sure-pic32mx/ostest/defconfig
@ -359,7 +359,7 @@ CONFIG_FDCLONE_DISABLE=n
 CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
 CONFIG_SCHED_WORKQUEUE=n
-CONFIG_SCHED_WORKPRIORITY=50
+CONFIG_SCHED_WORKPRIORITY=192
 CONFIG_SCHED_WORKPERIOD=50000
 CONFIG_SCHED_WORKSTACKSIZE=1024
 CONFIG_SIG_SIGWORK=4
--- a/configs/sure-pic32mx/usbnsh/defconfig
+++ b/configs/sure-pic32mx/usbnsh/defconfig
@ -376,7 +376,7 @@ CONFIG_FDCLONE_DISABLE=n
 CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
 CONFIG_SCHED_WORKQUEUE=n
-CONFIG_SCHED_WORKPRIORITY=50
+CONFIG_SCHED_WORKPRIORITY=192
 CONFIG_SCHED_WORKPERIOD=50000
 CONFIG_SCHED_WORKSTACKSIZE=1024
 CONFIG_SIG_SIGWORK=4
--- a/configs/teensy/hello/defconfig
+++ b/configs/teensy/hello/defconfig
@ -281,7 +281,7 @@ CONFIG_FDCLONE_DISABLE=n
 CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
 CONFIG_SCHED_WORKQUEUE=n
-CONFIG_SCHED_WORKPRIORITY=50
+CONFIG_SCHED_WORKPRIORITY=192
 CONFIG_SCHED_WORKPERIOD=50000
 CONFIG_SCHED_WORKSTACKSIZE=1024
 CONFIG_SIG_SIGWORK=4
--- a/configs/teensy/nsh/defconfig
+++ b/configs/teensy/nsh/defconfig
@ -284,7 +284,7 @@ CONFIG_FDCLONE_DISABLE=n
 CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
 CONFIG_SCHED_WORKQUEUE=n
-CONFIG_SCHED_WORKPRIORITY=50
+CONFIG_SCHED_WORKPRIORITY=192
 CONFIG_SCHED_WORKPERIOD=50000
 CONFIG_SCHED_WORKSTACKSIZE=1024
 CONFIG_SIG_SIGWORK=4
--- a/configs/teensy/usbstorage/defconfig
+++ b/configs/teensy/usbstorage/defconfig
@ -281,7 +281,7 @@ CONFIG_FDCLONE_DISABLE=n
 CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
 CONFIG_SCHED_WORKQUEUE=n
-CONFIG_SCHED_WORKPRIORITY=50
+CONFIG_SCHED_WORKPRIORITY=192
 CONFIG_SCHED_WORKPERIOD=50000
 CONFIG_SCHED_WORKSTACKSIZE=1024
 CONFIG_SIG_SIGWORK=4
--- a/configs/twr-k60n512/nsh/defconfig
+++ b/configs/twr-k60n512/nsh/defconfig
@ -419,7 +419,7 @@ CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
 CONFIG_NXFLAT=n
 CONFIG_SCHED_WORKQUEUE=n
-CONFIG_SCHED_WORKPRIORITY=50
+CONFIG_SCHED_WORKPRIORITY=192
 CONFIG_SCHED_WORKPERIOD=50000
 CONFIG_SCHED_WORKSTACKSIZE=1024
 CONFIG_SIG_SIGWORK=4
--- a/configs/twr-k60n512/ostest/defconfig
+++ b/configs/twr-k60n512/ostest/defconfig
@ -418,7 +418,7 @@ CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
 CONFIG_NXFLAT=n
 CONFIG_SCHED_WORKQUEUE=n
-CONFIG_SCHED_WORKPRIORITY=50
+CONFIG_SCHED_WORKPRIORITY=192
 CONFIG_SCHED_WORKPERIOD=50000
 CONFIG_SCHED_WORKSTACKSIZE=1024
 CONFIG_SIG_SIGWORK=4
--- a/configs/vsn/nsh/defconfig
+++ b/configs/vsn/nsh/defconfig
@ -414,7 +414,7 @@ CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
 CONFIG_NXFLAT=n
 CONFIG_SCHED_WORKQUEUE=y
-CONFIG_SCHED_WORKPRIORITY=50
+CONFIG_SCHED_WORKPRIORITY=192
 CONFIG_SCHED_WORKPERIOD=50000
 CONFIG_SCHED_WORKSTACKSIZE=1024
 CONFIG_SIG_SIGWORK=4