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module-setup.sh
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Editing: module-setup.sh
#!/bin/bash # called by dracut check() { return 255 } # called by dracut depends() { return 0 } # called by dracut install() { return 0 } installkernel() { local -A _drivers local _alldrivers _wdtdrv _wdtppath _dir [[ -d /sys/class/watchdog/ ]] || return for _dir in /sys/class/watchdog/*; do [[ -d "$_dir" ]] || continue [[ -f "$_dir/state" ]] || continue # device/modalias will return driver of this device _wdtdrv=$(< "$_dir/device/modalias") # There can be more than one module represented by same # modalias. Currently load all of them. # TODO: Need to find a way to avoid any unwanted module # represented by modalias _wdtdrv=$(modprobe --set-version "$kernel" -R $_wdtdrv 2>/dev/null) if [[ $_wdtdrv ]]; then instmods $_wdtdrv for i in $_wdtdrv; do _drivers[$i]=1 done fi # however in some cases, we also need to check that if there is # a specific driver for the parent bus/device. In such cases # we also need to enable driver for parent bus/device. _wdtppath=$(readlink -f "$_dir/device") while [[ -d "$_wdtppath" ]] && [[ "$_wdtppath" != "/sys" ]]; do _wdtppath=$(readlink -f "$_wdtppath/..") [[ -f "$_wdtppath/modalias" ]] || continue _wdtdrv=$(< "$_wdtppath/modalias") _wdtdrv=$(modprobe --set-version "$kernel" -R $_wdtdrv 2>/dev/null) if [[ $_wdtdrv ]]; then instmods $_wdtdrv for i in $_wdtdrv; do _drivers[$i]=1 done fi done done # ensure that watchdog module is loaded as early as possible _alldrivers="${!_drivers[*]}" [[ $_alldrivers ]] && echo "rd.driver.pre=${_alldrivers// /,}" > ${initdir}/etc/cmdline.d/00-watchdog.conf return 0 }
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