linux-toradex.git/drivers/pci/hotplug/pciehp_core.c, branch v2.6.20.17

pciehp: remove unnecessary free_irq

2006-12-01T22:36:59+00:00

This patch fixes the problem that the following error messages is
reported when pciehp driver is rmmoded.

	Trying to free already-free IRQ XX

The cause of this problem is that pciehp driver is doing unknown 2nd
free_irq at driver unloading. This patch removes this unknown 2nd
free_irq call.

Note: The pciehp driver should be adapted to standard device driver
mode.

Signed-off-by: Kenji Kaneshige 
Signed-off-by: Kristen Carlson Accardi 
Signed-off-by: Greg Kroah-Hartman

pciehp - add missing locking

2006-10-18T18:36:10+00:00

This patch fixes the problem that system will panic if multiple power
on/off operations are issued to the same slot in parallel. This
problem can be easily reproduced by commands below.

    # while true; do echo 1 > power; echo 0 > power; done &
    # while true; do echo 1 > power; echo 0 > power; done &

The cause is lack of locking for enable/disable operations. This patch
fixes this problem.

Signed-off-by: Kenji Kaneshige 
Signed-off-by: Kristen Carlson Accardi 
Signed-off-by: Greg Kroah-Hartman

[PATCH] pciehp: Implement get_address callback

2006-06-19T21:13:23+00:00

This patch implements .get_address callback of hotplug_slot_ops for
PCIEHP driver. With this patch, we can see bus address of hotplug
slots as follows:

	# cat /sys/bus/pci/slots/0010_0000/address
	0000:0a:00

Signed-off-by: Kenji Kaneshige 
Cc: Kristen Accardi 
Signed-off-by: Greg Kroah-Hartman

[PATCH] PCI: kzalloc() conversion in drivers/pci

2006-03-23T22:35:17+00:00

this patch converts drivers/pci to kzalloc usage.
Compile tested with allyes config.

Signed-off-by: Eric Sesterhenn 
Signed-off-by: Greg Kroah-Hartman

[PATCH] PCI hotplug: convert semaphores to mutex

2006-03-23T22:35:10+00:00

semaphore to mutex conversion.

the conversion was generated via scripts, and the result was validated
automatically via a script as well.

build tested with allyesconfig.

Signed-off-by: Ingo Molnar 
Signed-off-by: Greg Kroah-Hartman

[PATCH] PCI: drivers/pci: some cleanups

2006-01-09T20:13:20+00:00

This patch contains the following cleanups:
- hotplug/pciehp_core.c: make the needlessly global hpdriver_context
                         static
- #if 0 the following unused functions:
  - pci.c: pci_bus_max_busnr()
  - pci.c: pci_max_busnr()
  - proc.c: pci_proc_attach_bus()
  - remove.c: pci_remove_device_safe

Signed-off-by: Adrian Bunk 
Signed-off-by: Greg Kroah-Hartman

[PATCH] PCI: Reduce nr of ptr derefs in drivers/pci/hotplug/pciehp_core.c

2006-01-09T20:13:20+00:00

Here's a small patch to reduce the nr. of pointer dereferences in
drivers/pci/hotplug/pciehp_core.c

Benefits:
 - micro speed optimization due to fewer pointer derefs
 - generated code is slightly smaller
 - small line length cleanup
 - better readability

Signed-off-by: Jesper Juhl 
Signed-off-by: Greg Kroah-Hartman

[PATCH] pciehp: clean-up how we request control of hotplug hardware

2005-11-11T00:09:15+00:00

This patch further tweaks how we request control of hotplug
controller hardware from BIOS. We first search the ACPI namespace
corresponding to a specific hotplug controller looking for an
_OSC or OSHP method. On failure, we successively move to the
ACPI parent object, till we hit the highest level host bridge
in the hierarchy. This allows for different types of BIOS's
which place the _OSC/OSHP methods at various places in the acpi
namespace, while still not encroaching on the namespace of
some other root level host bridge.

This patch also introduces a new load time option (pciehp_force)
that allows us to bypass all _OSC/OSHP checking. Not supporting
these methods seems to be be the most common ACPI firmware problem
we've run into. This will still _not_ allow the pciehp driver to
work correctly if the BIOS really doesn't support pciehp (i.e. if
it doesn't generate a hotplug interrupt). Use this option with
caution.  Some BIOS's may deliberately not build any _OSC/OSHP
methods to make sure it retains control the hotplug hardware.
Using the pciehp_force parameter for such systems can lead to
two separate entities trying to control the same hardware.

Signed-off-by: Rajesh Shah 
Signed-off-by: Greg Kroah-Hartman

[PATCH] pciehp: reduce debug message verbosity

2005-11-11T00:09:15+00:00

Reduce the number of debug messages generated if pciehp debug is
enabled. I tried to restrict this to removing debug messages that
are either early-driver-debug type messages, or print information
that can be inferred through other debug prints.

Signed-off-by: Rajesh Shah 
Signed-off-by: Greg Kroah-Hartman

[PATCH] pciehp: miscellaneous cleanups

2005-11-11T00:09:15+00:00

Remove un-necessary header includes, remove dead code, remove
some hardcoded constants...

Signed-off-by: Rajesh Shah 
Signed-off-by: Greg Kroah-Hartman