linux-toradex.git/arch/arm/common/sa1111.c, branch v3.4.60

ARM: sa1111: use dev_err() rather than printk()

2012-03-24T11:30:12+00:00

Use dev_err() to report device specific errors rather than printk().

Acked-by: Nicolas Pitre 
Signed-off-by: Russell King

ARM: sa1111: cleanup sub-device registration and unregistration

2012-03-24T11:30:12+00:00

Move the releasing of resources out of the release function - this
allows a cleaner and more conventional arrangement of the registration
failure paths and a saner unregistration process for these devices.

Acked-by: Nicolas Pitre 
Signed-off-by: Russell King

ARM: sa1111: only setup DMA for DMA capable devices

2012-03-24T11:30:12+00:00

It's pointless registering the PS/2 interfaces with the dmabounce code
when there's no DMA support for these in hardware, so only setup the
DMA masks for two subdevices which support DMA - the OHCI and SAC.

Acked-by: Nicolas Pitre 
Signed-off-by: Russell King

ARM: sa1111: register sa1111 devices with dmabounce in bus notifier

2012-03-24T11:30:12+00:00

Use the bus notifier to register sa1111 devices with dmabounce, rather
than after the device has been registered, potentially racing with
driver binding.

Acked-by: Nicolas Pitre 
Signed-off-by: Russell King

ARM: sa1111: provide a generic way to prevent devices from registering

2012-03-24T11:29:52+00:00

Some platforms don't want certain devices to be registered, because,
eg, the interface is not wired.  Provide a way for platforms to
prevent various devices from being registered via a devid bitmask in
the platform data.

Acked-by: Nicolas Pitre 
Signed-off-by: Russell King

ARM: sa1111: change devid to be a bitmask

2012-02-09T15:34:52+00:00

Change the sa1111 device id to be a bitmask.  This allows us to
specify the actual device, while allowing a single driver to bind
to both PS2 devices.

Acked-by: Nicolas Pitre 
Signed-off-by: Russell King

ARM: sa1111: add platform enable/disable functions

2012-02-09T15:34:50+00:00

Add platform hooks to be called when individual sa1111 devices are
enabled and disabled.  This will allow us to move some platform
specifics out of the individual drivers.

Acked-by: Nicolas Pitre 
Signed-off-by: Russell King

ARM: sa1111: add shutdown hook to sa1111_driver structure

2012-02-09T15:34:50+00:00

Add a shutdown hook to the sa1111_driver structure to allow drivers
to be notified of system reboots and shutdowns.

Acked-by: Nicolas Pitre 
Signed-off-by: Russell King

ARM: sa1111: implement support for sparse IRQs

2012-02-09T15:34:50+00:00

Implement the necessary allocation/freeing functionality to support
sparse IRQs with the SA-1111 device.  On non-sparse IRQ platforms,
this allows us to dynamically allocate from within the available IRQ
number space.

Acked-by: Nicolas Pitre 
Signed-off-by: Russell King

ARM: sa1111: finish "allow cascaded IRQs to be used by platforms"

2012-02-09T15:34:49+00:00

Commit 19851c58e680 (sa1111: allow cascaded IRQs to be used by platforms)
moved the IRQ definitions to the .c file, and added an irq_base member
to the private data structure.

The inerrupt demultiplexer uses irq_base, but the interrupt setup code
does not.  Also, although the commit adds a private data structure to
pass this data, it isn't even referenced, resulting in irq_base being
zero.

We also copied the IRQ numbers from the device info array into the actual
devices, resulting in wrong interrupt numbers passed to the sub-devices.

The net effect of this is that we always overwrite IRQs 0-54, even if
they are allocated elsewhere in the system.

Add the code necessary to setup the private irq_base, and use it in the
IRQ setup code.  Make the SA-1111 probe fail with -EINVAL if there is no
platform data provided.

Acked-by: Nicolas Pitre 
Signed-off-by: Russell King