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mfd: Make twl4030 SIH SPARSE_IRQ capable

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twl4030 is using a two level irq controllers infrastruture.
So far, only the first level was using dynamic irq_desc allocation
to be able to have irq_domain support for device tree.
There is a need to allocate separate irq_descs for the SIH too to
avoid hacking the first level with interrupts from the second level.

Add an irq_base parameter to allow the caller to provide the base from
pdata or from dynamic allocation.

Affect TWL4030_NR_IRQS to the twl-core IRQs only.

Moreover that will allow the extraction of the of_node pointer for further
Device Tree conversion.

Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
This commit is contained in:
Benoit Cousson 2012-02-29 22:38:06 +01:00 • committed by Samuel Ortiz
parent 78518ffa08
commit f01b1f90bf
3 changed files with 9 additions and 19 deletions
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2
include/linux/i2c/twl.h
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@ -751,7 +751,7 @@ struct twl4030_platform_data {
/*----------------------------------------------------------------------*/
int twl4030_sih_setup(int module);
int twl4030_sih_setup(struct device *dev, int module, int irq_base);
/* Offsets to Power Registers */
#define TWL4030_VDAC_DEV_GRP 0x3B