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Currently the MFD core supports remapping MFD cell interrupts using an
irqdomain but only if the MFD is being instantiated using device tree
and only if the device tree bindings use the pattern of registering IPs
in the device tree with compatible properties. This will be actively
harmful for drivers which support non-DT platforms and use this pattern
for their DT bindings as it will mean that the core will silently change
remapping behaviour and it is also limiting for drivers which don't do
DT with this particular pattern. There is also a potential fragility if
there are interrupts not associated with MFD cells and all the cells are
omitted from the device tree for some reason.
Instead change the code to take an IRQ domain as an optional argument,
allowing drivers to take the decision about the parent domain for their
interrupts. The one current user of this feature is ab8500-core, it has
the domain lookup pushed out into the driver.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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This patch converts the drivers in drivers/mfd/* to use module_pci_driver()
macro which makes the code smaller and a bit simpler.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Cc: Andres Salomon <dilinger@queued.net>
Cc: Ira W. Snyder <iws@ovro.caltech.edu>
Cc: Florian Fainelli <florian@openwrt.org>
Cc: Denis Turischev <denis@compulab.co.il>
Cc: Harald Welte <HaraldWelte@viatech.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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Convert static struct pci_device_id *[] to static DEFINE_PCI_DEVICE_TABLE
tables.
Cc: Andres Salomon <dilinger@queued.net>
Cc: Denis Turischev <denis@compulab.co.il>
Cc: Ben Dooks <ben@simtec.co.uk>
Cc: Vincent Sanders <vince@simtec.co.uk>
Cc: Mocean Laboratories <info@mocean-labs.com>
Cc: Harald Welte <HaraldWelte@viatech.com>
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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Silence following warnings:
WARNING: drivers/mfd/cs5535-mfd.o(.data+0x20): Section mismatch in
reference from the variable cs5535_mfd_drv to the function
.devinit.text:cs5535_mfd_probe()
The variable cs5535_mfd_drv references
the function __devinit cs5535_mfd_probe()
If the reference is valid then annotate the
variable with __init* or __refdata (see linux/init.h) or name the variable:
*driver, *_template, *_timer, *_sht, *_ops, *_probe, *_probe_one, *_console
WARNING: drivers/mfd/cs5535-mfd.o(.data+0x28): Section mismatch in
reference from the variable cs5535_mfd_drv to the function
.devexit.text:cs5535_mfd_remove()
The variable cs5535_mfd_drv references
the function __devexit cs5535_mfd_remove()
If the reference is valid then annotate the
variable with __exit* (see linux/init.h) or name the variable:
*driver, *_template, *_timer, *_sht, *_ops, *_probe, *_probe_one, *_console
Rename the variable from *_drv to *_driver so
modpost ignore the OK references to __devinit/__devexit
functions.
Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com>
Acked-by: Andres Salomon <dilinger@queued.net>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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The cs5535-pms cell doesn't actually need to be cloned, so we can drop that
and simply have the olpc-xo1.c driver use "cs5535-pms" directly.
Also, rename the cs5535-acpi clones to what we actually use for the (currently
out-of-tree) SCI driver. In the process, that fixes a subtle bug in
olpc-xo1.c which broke powerdown on XO-1s.. olpc-xo1-ac-acpi was a typo, not
something that actually existed.
Signed-off-by: Daniel Drake <dsd@laptop.org>
Signed-off-by: Andres Salomon <dilinger@queued.net>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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Replace mfd_shared_platform_driver_register with mfd_clone_cell. The
former was called by an mfd client, and registered both a platform driver
and device. The latter is called by an mfd driver, and registers only a
platform device.
The downside of this is that mfd drivers need to be modified whenever
new clients are added that share a cell; the upside is that it fits
Linux's driver model better. It's also simpler.
This also converts cs5535-mfd/olpc-xo1 from the old API. cs5535-mfd
now creates the olpc-xo1-{acpi,pms} devices, while olpc-xo1 binds to
them via platform drivers.
Signed-off-by: Andres Salomon <dilinger@queued.net>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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This enables sharing of cs5535-mfd cells via the new mfd_shared_* API.
Hooks for enable/disble of resources are added, with refcounting of
resources being automatically handled so that cs5535_mfd_res_enable/disable
are only called when necessary.
Clients of cs5535-mfd (in this case, olpc-xo1.c) are also modified to
use the mfd_shared API. The platform drivers are also renamed to
olpc-xo1-{pms,acpi}, and resource enabling/disabling is replaced
with mfd_shared API calls.
Signed-off-by: Andres Salomon <dilinger@queued.net>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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ARRAY_SIZE() returns size_t; use %zu instead of %d so that we don't
get warnings on x86-64.
Signed-off-by: Andres Salomon <dilinger@queued.net>
Acked-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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Add an MFD driver to handle the ISA device on CS5535 and CS5536
southbridges. This ISA bridge is actually multiple devices: GPIOs,
MFGPTs, etc.
Signed-off-by: Andres Salomon <dilinger@queued.net>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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