Messages in this thread | | | Date | Thu, 21 Feb 2002 22:14:47 +0100 (CET) | From | Gérard Roudier <> | Subject | Re: [PATCH] 2.5.5-pre1 IDE cleanup 9 |
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On Fri, 22 Feb 2002, Jeff Garzik wrote:
> Gérard Roudier wrote: > > Basically at the moment, if the driver allows upper 'seeming cleaner and > > smarter' PCI probing things to deal with the HBA attachment order, at > > least all my machines running Linux will not even reboot. > > > > Being smart is doing what user expects, here. > > Oh come on, how hard is the following? > > > static int __init foo_init(void) > > { > > int rc = pci_module_init(&sym2_pci_driver); > > if (rc) return rc; > > do_deferred_work(); > > } > > module_init(foo_init); > > You have tons of flexibility you are ignoring here... For the > non-hotplug hosts (ie. present at boot), just use pci_driver::probe to > register hosts on a list, and little other work. do_deferred_work() > handles the list in a manner that ensures proper boot and/or host > ordering. > > So for non-hotplug hosts you do a init_module time: > register N hosts with PCI API > register N hosts with SCSI API > > And hotplugged hosts would do the same, with N==1. > > What you describe -is- supported with the PCI API.
At the time I investigated the API it just mixed the probing and the registering by performing some auto-registration based on return value. May-be the API did evolve since that time or I missed something important.
For now I will be in vacation for 1 week. I will re-investigate this when I will be back.
Thanks, Gérard.
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