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Introduce BUS_PASS_SUPPORTDEV

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The reason for this new pass is :

The earlier pass names are really specific (interrupt, timer, scheduler etc ..)
and making a driver that other device driver (that attach at DEFAULT pass)
needs probe at earlier pass can be confiusing. We can live with GPIO driver
at INTERRUPT pass because they are often an interrupt controller too but having
a usb phy driver probed at RESOURCES (or SCHEDULER for example) is silly.
The number was choosen to have a lot of margin if we want to introduce other
pass in the futur.

Reviewed by:	ian, imp, kevans
Differential Revision:	https://reviews.freebsd.org/D14568
This commit is contained in:
Emmanuel Vadot 2018-03-03 12:43:11 +00:00
parent a1c11a0a7b
commit a213ad03dc
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=330335
1 changed files with 1 additions and 0 deletions
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sys/sys/bus.h
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@ -702,6 +702,7 @@ void bus_data_generation_update(void);
#define BUS_PASS_INTERRUPT 40 /* Interrupt controllers. */
#define BUS_PASS_TIMER 50 /* Timers and clocks. */
#define BUS_PASS_SCHEDULER 60 /* Start scheduler. */
#define BUS_PASS_SUPPORTDEV 100000 /* Drivers which support DEFAULT drivers. */
#define BUS_PASS_DEFAULT __INT_MAX /* Everything else. */
#define BUS_PASS_ORDER_FIRST 0