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authorOlaf Hering <olaf@aepfle.de>2006-10-03 12:13:56 +0400
committerLinus Torvalds <torvalds@g5.osdl.org>2006-10-03 19:03:41 +0400
commit873ef76bdc56561df75ef5c3f3842c3a64da795d (patch)
treef717816f0768c7799d976f3dd5e4ace48452fba4 /drivers/parport
parent17a4506d0eb1f78c9018c06a79e7dd09ae78c3a8 (diff)
downloadlinux-873ef76bdc56561df75ef5c3f3842c3a64da795d.tar.xz
[PATCH] restore parport_pc probing on powermac
The last change for partport_pc did fix the common case for all PowerMacs, but it broke the case for PCI multiport IO cards. In fact, the config option CONFIG_PARPORT_PC_SUPERIO=y lead to a hard crash when cups probed the parport driver. It enables the winbond and smsc probing. Remove the PARPORT_BASE check again, parport_pc_find_nonpci_ports() will take care of it. All powerpc configs should have CONFIG_PARPORT_PC_SUPERIO=n, the code did not find anything on the chrp boards we tested it on. Tested on a G4/466 with a PCI card: 0001:10:13.0 Serial controller: Timedia Technology Co Ltd PCI2S550 (Dual 16550 UART) (rev 01) (prog-if 02 [16550]) Subsystem: Timedia Technology Co Ltd Unknown device 5079 Control: I/O+ Mem- BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping+ SERR- FastB2B- Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- Interrupt: pin A routed to IRQ 53 Region 0: I/O ports at f2000800 [size=32] Region 2: I/O ports at f2000870 [size=8] Region 3: I/O ports at f2000860 [size=8] Signed-off-by: Olaf Hering <olaf@aepfle.de> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Adam Belay <ambx1@neo.rr.com> Cc: Dmitry Torokhov <dtor@mail.ru> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers/parport')
-rw-r--r--drivers/parport/parport_pc.c4
1 files changed, 0 insertions, 4 deletions
diff --git a/drivers/parport/parport_pc.c b/drivers/parport/parport_pc.c
index 43894ddec7dc..fe800dc0be9f 100644
--- a/drivers/parport/parport_pc.c
+++ b/drivers/parport/parport_pc.c
@@ -3374,10 +3374,6 @@ __setup("parport_init_mode=",parport_init_mode_setup);
static int __init parport_pc_init(void)
{
-#if defined(CONFIG_PPC_MERGE)
- if (check_legacy_ioport(PARALLEL_BASE))
- return -ENODEV;
-#endif
if (parse_parport_params())
return -EINVAL;