Date: Wed, 12 Sep 2001 10:47:20 -0600 From: Warner Losh <imp@harmony.village.org> To: Lars Eggert <larse@ISI.EDU> Cc: mobile@FreeBSD.ORG Subject: Re: Partial Success! (Re: PC-Card broken: 4.4-RC4 & Dell Latitude C600) Message-ID: <200109121647.f8CGlKt41269@harmony.village.org> In-Reply-To: Your message of "Wed, 12 Sep 2001 09:12:35 PDT." <3B9F8973.C53A0ED4@isi.edu> References: <3B9F8973.C53A0ED4@isi.edu> <3B9F85BB.70DE18A6@isi.edu> <3B9EC74D.CF3DECBD@isi.edu> <3B9E81C4.5CB017D@isi.edu> <3B9D0A4C.2090203@isi.edu> <200109111837.f8BIbft34551@harmony.village.org> <200109112134.f8BLYkt35748@harmony.village.org> <3B9E843A.54EA07A7@isi.edu> <200109121453.f8CEr2t39965@harmony.village.org> <200109121604.f8CG45t40527@harmony.village.org>
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In message <3B9F8973.C53A0ED4@isi.edu> Lars Eggert writes:
: No change.
:
: Note that the previous patch was still in there, also. Let me know if I
: should try with just this one applied.
Damn. OK. Let's try the following "hail mary" patch. Apply this one
and the pcic_teardown_intr patch applied earlier.
Warner
Index: pcic_pci.c
===================================================================
RCS file: /home/imp/FreeBSD/CVS/src/sys/pccard/pcic_pci.c,v
retrieving revision 1.54.2.16
diff -u -r1.54.2.16 pcic_pci.c
--- pcic_pci.c 2001/09/06 20:59:49 1.54.2.16
+++ pcic_pci.c 2001/09/12 16:44:04
@@ -908,10 +908,15 @@
u_int32_t event;
u_int32_t stat;
int present;
+ int s;
event = bus_space_read_4(sp->bst, sp->bsh, CB_SOCKET_EVENT);
if (event != 0) {
stat = bus_space_read_4(sp->bst, sp->bsh, CB_SOCKET_STATE);
+
+ /* Ack the interrupt */
+ bus_space_write_4(sp->bst, sp->bsh, 0, event);
+
if (bootverbose)
device_printf(sc->dev, "Event mask 0x%x stat 0x%x\n",
event, stat);
@@ -928,14 +933,14 @@
sc->cd_pending = 1;
} else {
sc->cd_present = 0;
+ s = splhigh();
pccard_event(sp->slt, card_removed);
+ splx(s);
}
}
if (stat & CB_SS_BADVCC)
device_printf(sc->dev, "BAD Vcc request\n");
- /* Ack the interrupt */
- bus_space_write_4(sp->bst, sp->bsh, 0, event);
}
/*
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