Sorry, messed up the CC list. On 07/07/2017 12:20 PM, Doug Berger wrote: > This patch set extends the functionality of the irq-brcmstb-l2 interrupt > controller driver to cover a hardware variant first introduced in the > BCM7271 SoC. The main difference between this variant and the block > found in earlier brcmstb SoCs is that this variant only supports level > sensitive interrupts and therefore does not latch the interrupt state > based on edges. Since there is no longer a need to ack interrupts with > a register write to clear the latch the register map has been changed. > > Therefore the change to add support for the new hardware block is to > abstract the register accesses to accommodate different maps and to > identify the block with a new device-tree compatible string. > > I also took the opportunity to make some small efficiency enhancements > to the driver. One of these was to make use of the slightly more > efficient irq_mask_ack method. However, I discovered that the defined > irq_gc_mask_disable_reg_and_ack() generic irq function was insufficient > for my needs. The first three commits of this set are intended to be a > correction and extension of the existing generic irq implementation to > provide a set of functions that can be used by interrupt controller > drivers for their irq_mask_ack method. > > I believe these first three commits should be added to the irq/core > repository and the remaining commits should be added to the Broadcom > github repository but have included the complete set here for improved > context. This entire set is therefore based on the irq/core master > branch. Please let me know if you would like a different packaging. > > If the changes to genirq are not acceptable I can implement the > irq_mask_ask method locally in the irq-brcmstb-l2 driver and submit > that on its own. > > Doug Berger (5): > genirq: generic chip: add generic irq_mask_ack functions > genirq: generic chip: remove irq_gc_mask_disable_reg_and_ack() > irqchip: brcmstb-l2: Remove some processing from the handler > irqchip: brcmstb-l2: Abstract register accesses > irqchip: brcmstb-l2: Add support for the BCM7271 L2 controller > > Florian Fainelli (1): > irqchip/tango: Use irq_gc_mask_disable_and_ack_set > > .../bindings/interrupt-controller/brcm,l2-intc.txt | 3 +- > drivers/irqchip/irq-brcmstb-l2.c | 145 ++++++++++++++------- > drivers/irqchip/irq-tango.c | 2 +- > include/linux/irq.h | 7 +- > kernel/irq/generic-chip.c | 110 +++++++++++++++- > 5 files changed, 214 insertions(+), 53 deletions(-) >
