From: Colin Gibbs <colin@rmconsulting.com>
To: linuxppc-dev@lists.linuxppc.org
Subject: pcmcia broken in recent benh kernel
Date: Sat, 7 Jul 2001 01:15:40 -0500 [thread overview]
Message-ID: <20010707011540.B9329@localhost> (raw)
[-- Attachment #1: Type: text/plain, Size: 1414 bytes --]
With a recent benh kernel I get this message on card insertion:
cs: unable to map card memory!
This seems to be caused by changes to the pci code. In the old kernel
(2.4.4-pre3) I have this in /proc/iomem:
80081000-80081fff : usb-ohci
80082000-80082fff : usb-ohci
a0000000-a0003fff : aty128fb MMIO
a4000000-a7ffffff : aty128fb FB
With the new kernel (2.4.6-pre8) I get this:
80000000-9fffffff : /pci@f2000000
80000000-8007ffff : Apple Computer Inc. KeyLargo Mac I/O
80080000-80080fff : Texas Instruments PCI1211
80081000-80081fff : Apple Computer Inc. KeyLargo USB (#2)
80081000-80081fff : usb-ohci
80082000-80082fff : Apple Computer Inc. KeyLargo USB
80082000-80082fff : usb-ohci
80400000-807fffff : PCI CardBus #02
a0000000-afffffff : /pci@f0000000
a0000000-a0003fff : ATI Technologies Inc Mobility M3 AGP 2x
a0000000-a0003fff : aty128fb MMIO
a4000000-a7ffffff : ATI Technologies Inc Mobility M3 AGP 2x
a4000000-a7ffffff : aty128fb FB
f1000000-f1ffffff : /pci@f0000000
f3000000-f3ffffff : /pci@f2000000
f3000000-f33fffff : PCI CardBus #02
f5000000-f5ffffff : /pci@f4000000
f5000000-f5000fff : Apple Computer Inc. UniNorth FireWire
f5200000-f53fffff : Apple Computer Inc. UniNorth GMAC
The attached patch fixes things for me. It uses the check_region/
check_mem_region in the pcmcia code which descents the resource
tree instead of check_resource which does not.
Colin
[-- Attachment #2: rsrc_mgr.c.patch --]
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--- linux-2.4-benh/drivers/pcmcia/rsrc_mgr.c Tue Apr 3 05:48:39 2001
+++ linux-build/drivers/pcmcia/rsrc_mgr.c Fri Jul 6 00:01:46 2001
@@ -104,8 +104,8 @@
======================================================================*/
-#define check_io_resource(b,n) check_resource(&ioport_resource, (b), (n))
-#define check_mem_resource(b,n) check_resource(&iomem_resource, (b), (n))
+#define check_io_resource(b,n) check_region((b), (n))
+#define check_mem_resource(b,n) check_mem_region((b), (n))
/*======================================================================
reply other threads:[~2001-07-07 6:15 UTC|newest]
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