Messages in this thread |  | | Date | Tue, 20 Aug 2002 09:44:10 +0100 | From | Padraig Brady <> | Subject | Re: IDE-flash device and hard disk on same controller |
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Heater, Daniel (IndSys, GEFanuc, VMIC) wrote: > The IDE driver, file ide-probe.c currently contains this test do prevent > hard drives and IDE-flash devices (ex CompactFlash) from co-existing on the > same IDE controller. > > /* > * Prevent long system lockup probing later for non-existant > * slave drive if the hwif is actually a flash memory card of some > variety: > */ > if (drive_is_flashcard(drive)) { > ide_drive_t *mate = > &HWIF(drive)->drives[1^drive->select.b.unit]; > if (!mate->ata_flash) { > mate->present = 0; > mate->noprobe = 1; > } > } > > This test's assumption that a spinning hard drive cannot coexist on the same > controller as an IDE-flash device is incorrect. I have a working setup with > such a configuration. I don't think that the IDE subsystem should punish > everyone because _some_ hardware cannot tolerate this configuration. > > One solution may be to remove this test from the IDE subsystem and force > users with buggy hardware to explicitly disable probing for a second > device. I think the parameters hdx=none or hdx=noprobe should work for > them. > > Comments??
Mentioned several times (and there is a workaround), see: http://marc.theaimsgroup.com/?l=linux-kernel&m=100446144028502&w=2
I really think some of the default CF logic is bogus.
Pádraig.
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