sys/kern/subr_bus.c

87 	int		pass;
842  * is safe to pass to snprintf to construct, for example pnp info strings.
869  * Bus pass implementation
877  * @brief Register the pass level of a new driver attachment
879  * Register a new driver attachment's pass level.  If no driver
880  * attachment with the same pass level has been added, then @p new
890 	/* We only consider pass numbers during boot. */
895 	 * Walk the passes list.  If we already know about this pass
900 		if (dl->pass < new->pass)
902 		if (dl->pass == new->pass)
911  * @brief Raise the current bus pass
913  * Raise the current bus pass level to @p pass.  Call the BUS_NEW_PASS()
915  * new pass level that has at least one driver.
918 bus_set_pass(int pass)
922 	if (bus_current_pass > pass)
923 		panic("Attempt to lower bus pass level");
926 		/* Skip pass values below the current pass level. */
927 		if (dl->pass <= bus_current_pass)
931 		 * Bail once we hit a driver with a pass level that is
934 		if (dl->pass > pass)
938 		 * Raise the pass level to the next level and rescan
941 		bus_current_pass = dl->pass;
946 	 * If there isn't a driver registered for the requested pass,
947 	 * then bus_current_pass might still be less than 'pass'.  Set
948 	 * it to 'pass' in that case.
950 	if (bus_current_pass < pass)
951 		bus_current_pass = pass;
952 	KASSERT(bus_current_pass == pass, ("Failed to update bus pass level"));
1110 devclass_add_driver(devclass_t dc, driver_t *driver, int pass, devclass_t *dcp)
1117 	/* Don't allow invalid pass values. */
1118 	if (pass <= BUS_PASS_ROOT)
1149 	dl->pass = pass;
2098 			/* If this driver's pass is too high, then ignore it. */
2099 			if (dl->pass > bus_current_pass)
3341  * @param start		hint at the start of the resource range - pass
3343  * @param end		hint at the end of the resource range - pass
3345  * @param count		hint at the size of range required - pass @c 1
3398  * @param start		hint at the start of the resource range - pass
3400  * @param end		hint at the end of the resource range - pass
3402  * @param count		hint at the size of range required - pass @c 1
3692 		 * If this driver's pass is too high, then ignore it.
3693 		 * For most drivers in the default pass, this will
3694 		 * never be true.  For early-pass drivers they will
3698 		 * on early-pass buses during BUS_NEW_PASS().
3700 		if (dl->pass > bus_current_pass)
4103  * routines for any drivers that probe at the current pass.  Then it
4118 		if (dl->pass == bus_current_pass)
5227 	int error, pass;
5238 		pass = dmd->dmd_pass;
5240 		PDEBUG(("Loading module: driver %s on bus %s (pass %d)",
5241 		    DRIVERNAME(driver), dmd->dmd_busname, pass));
5242 		error = devclass_add_driver(bus_devclass, driver, pass,