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Commit Graph

5 Commits

Author SHA1 Message Date
Florian Fainelli
fa6469cb5b gpio: Fix null pointer dereference while accessing rdc321x platform_data
rdc321x-gpio currently fetches its driver specific data by using the
platform_device->platform_data pointer, this is wrong because the mfd
device which registers our platform_device has been added using
mfd_add_device() which sets the platform_device->driver_data pointer
instead.

Signed-off-by: Florian Fainelli <florian@openwrt.org>
CC: stable@kernel.org
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2010-12-22 12:05:20 +01:00
Florian Fainelli
75907a1153 gpio: Fix inverted rdc321x gpio data out registers
rdc_gpio_set_value_impl has the gpio data registers 1 and 2 inverted, fix this.

Signed-off-by: Bernhard Loos <bernhardloos@gmail.com>
Signed-off-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2010-05-28 01:37:59 +02:00
Florian Fainelli
8deca39e5c mfd: Change rdc321x resources flags to IORESOURCE_IO
The rdc321x southbridge PCI device has no MEM PCI resources that we could
pass to mfd_add_devices. Since 33254dd5, mfd_add_device checks for the
mem_base argument that we set to NULL. Changing the resources passed to
our MFD cells from IORESOURCE_MEM to IORESOURCE_IO fixes that. Since we use
those resources as offsets to the PCI configuration space base address of
the southbridge device this is also more adequate.

Signed-off-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2010-05-28 01:37:52 +02:00
Tejun Heo
374b72ecac gpio: Update gfp/slab.h includes for rdc321x
Implicit slab.h inclusion via percpu.h is about to go away.  Make sure
gfp.h or slab.h is included as necessary.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
2010-05-28 01:37:36 +02:00
Florian Fainelli
9956d02d6e gpio: Add support for RDC321x GPIO controller
This patch adds a new GPIO driver for the RDC321x SoC GPIO controller.

Signed-off-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2010-05-28 01:37:29 +02:00