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authorThomas Renninger <trenn@suse.de>2010-10-01 04:53:59 -0400
committerLen Brown <len.brown@intel.com>2010-10-01 15:36:39 -0400
commit2b2ae7c7f8e25043793042eb9df88aa875b4cff8 (patch)
tree83daed7afd0d0b060219f8aff97a645dbf8027bc /drivers/isdn/Kconfig
parent899611ee7d373e5eeda08e9a8632684e1ebbbf00 (diff)
ACPI: Do not export hid/modalias sysfs file for ACPI objects without a HID
Boot and compile tested. The fact that pnp.ids can now be empty needs testing on some further machines, though. This should handle a "modprobe is wrongly called by udev" issue: https://bugzilla.kernel.org/show_bug.cgi?id=19162 Modaliase files in /sys/devices/LNXSYSTM:00/ went down from 113 to 71 on my tested system. This is a sysfs change, but userspace must already be able to handle it. Also do not fill up pnp.ids list with a "struct hid" entry. This comment: * This generic ID isn't useful for driver binding, but it provides * the useful property that "every acpi_device has an ID." is still half way true: Best you never touch pnp.ids list directly or make sure it can be empty, instead use: char *acpi_device_hid() which always returns a value ("device" as a dummy if the object has no hid). Signed-off-by: Thomas Renninger <trenn@suse.de> CC: Zhang Rui <rui.zhang@intel.com> CC: kay.sievers@vrfy.org CC: Bjorn Helgaas <bjorn.helgaas@hp.com> Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/isdn/Kconfig')
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