diff options
Diffstat (limited to 'xpp/utils/xpp_fxloader')
| -rw-r--r-- | xpp/utils/xpp_fxloader | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/xpp/utils/xpp_fxloader b/xpp/utils/xpp_fxloader index 8c54370..b14f746 100644 --- a/xpp/utils/xpp_fxloader +++ b/xpp/utils/xpp_fxloader @@ -75,6 +75,17 @@ REENUM_SLEEP_TIME=3 # only used on manual runs FPGA_LOAD="/usr/sbin/fpga_load" +# With Kernels older that 2.6.10 it seems to be possible +# to trigger a race condition by running fxload or fpga_load +# immediately after the detection of the device. +KERNEL_HAS_USB_RACE=0 +case "`uname -r`" in 2.6.[89]*) KERNEL_HAS_USB_RACE=1;; esac +sleep_if_race() { + if [ "$KERNEL_HAS_USB_RACE" = '1' ]; then + sleep 2 + fi +} + find_dev() { v_id=$1 p_id=$2 @@ -83,6 +94,7 @@ find_dev() { } do_fxload() { + sleep_if_race ( fxload -t fx2 $* 2>&1 1>/dev/null || exit 1 ) | $LOGGER } @@ -120,6 +132,7 @@ load_fpga() { firm_ver=`hexfile_version $FIRMWARE_DIR/$fw` $LOGGER "FPGA Firmware $FIRMWARE_DIR/$fw into $dev" + sleep_if_race $FPGA_LOAD -D "$dev" -I "$FIRMWARE_DIR/$fw" 2>&1 >/dev/null | $LOGGER status=$PIPESTATUS if [ $status != 0 ]; then @@ -193,6 +206,7 @@ then else FIRM_FPGA="$FIRMWARE_DIR/FPGA_$prod_id.hex" fi + sleep_if_race $FPGA_LOAD -D "$DEVICE" -I "$FIRM_FPGA" 2>&1 >/dev/null | $LOGGER ;; esac |