Messages in this thread | | | Subject | Re: [PATCH] add legacy resources to sysfs | From | Benjamin Herrenschmidt <> | Date | Wed, 22 Dec 2004 09:38:59 +0100 |
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On Tue, 2004-12-21 at 13:46 -0800, Greg KH wrote: > On Tue, Dec 21, 2004 at 12:47:44PM -0800, Jesse Barnes wrote: > > Here's a rediff against Greg's current tree. It adds legacy_io and legacy_mem > > files to each PCI bus directory in sysfs for use by applications that want to > > do old school ISA style programming from userspace. > > > > I'm not sure I've got the sysfs file creation correct, Greg? Am I passing the > > wrong thing around? The compile warnings in pci-sysfs.c for the new routines > > seem to indicate that... Basically I need to get to a pci_bus structure from > > the read/write/mmap routines, and that should be accessible from the kobject > > somewhere, right? > > You are passing the wrong things around :) > > A struct pci_bus is a struct class_device, not a struct device. I think > you need to rethink your goal of putting the files into the pci device > directory, or just put the files into the proper /sys/class/pci_bus/* > directory as your code assumes is happening.
It makes no sense in /sys/class/pci_bus/* since we need the files to be in a bus _instance_
Ben.
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