Hi Thomas, On Wednesday 18 December 2013 02:49 PM, Sricharan R wrote: > Hi Thomas, > > On Tuesday 03 December 2013 03:57 PM, Sricharan R wrote: >> Some socs have a large number of interrupts requests to service >> the needs of its many peripherals and subsystems. All of the interrupt >> requests lines from the subsystems are not needed at the same >> time, so they have to be muxed to the controllers appropriately. >> In such places a interrupt controllers are preceded by an >> IRQ CROSSBAR that provides flexibility in muxing the device interrupt >> requests to the controller inputs. >> >> This series models the peripheral interrupts that can be routed through >> the crossbar to the GIC as 'routable-irqs'. The routable irqs are added >> in a separate linear domain inside the GIC. The registered routable domain's >> callback are invoked as a part of the GIC's callback, which in turn should >> allocate a free irq line and configure the IP accordingly. So every peripheral >> in the dts files mentions the fixed crossbar number as its interrupt. A free >> gic line for that gets allocated and configured when the peripheral interrupts >> are mapped. >> >> The minimal crossbar driver to track and allocate free GIC lines and configure the >> crossbar is added here, along with the DT bindings. >> >> V5: >> Addressed a comment from Mark Rutland <mark.rutland@xxxxxxx>, >> updated tags and rebased on 3.13-rc2 >> >> V4: >> Addressed a couple of comments and split the DTS file updates in to >> a separate series. >> >> V3: >> Addressed few more comments from Thomas Gleixner <tglx@xxxxxxxxxxxxx> >> >> Rebased patches 3,4,5,7 which updates the DTS file on top of below branch >> git://git.kernel.org/pub/scm/linux/kernel/git/bcousson/linux-omap-dt.git >> for_3.13/dts >> >> Rebased patches 1,2,6 on top of 3.12 mainline >> Updated Commit tags >> >> V2: >> Addressed Thomas Gleixner <tglx@xxxxxxxxxxxxx> comments and >> Kumar Gala <galak@xxxxxxxxxxxxxx> >> >> Split updating the DRA7.dtsi file for adding the routable-irqs >> >> Previous discussions that led to this is at >> https://lkml.org/lkml/2013/9/18/540 >> >> The V1,V2,V3,V4 post of these patches is at >> [V1] https://lkml.org/lkml/2013/9/30/283 >> [V2] http://www.spinics.net/lists/linux-omap/msg99540.html >> [V3] http://www.kernelhub.org/?msg=356470&p=2 >> [V4] http://www.spinics.net/lists/linux-doc/msg16726.html >> >> Sricharan R (4): >> DRIVERS: IRQCHIP: IRQ-GIC: Add support for routable irqs >> DRIVERS: IRQCHIP: CROSSBAR: Add support for Crossbar IP >> ARM: OMAP4+: Correct Wakeup-gen code to use physical irq number >> ARM: DRA: Enable Crossbar IP support for DRA7XX >> >> Documentation/devicetree/bindings/arm/gic.txt | 6 + >> .../devicetree/bindings/arm/omap/crossbar.txt | 27 +++ >> arch/arm/mach-omap2/Kconfig | 1 + >> arch/arm/mach-omap2/omap-wakeupgen.c | 4 +- >> arch/arm/mach-omap2/omap4-common.c | 2 + >> drivers/irqchip/Kconfig | 8 + >> drivers/irqchip/Makefile | 1 + >> drivers/irqchip/irq-crossbar.c | 208 ++++++++++++++++++++ >> drivers/irqchip/irq-gic.c | 81 +++++++- >> include/linux/irqchip/arm-gic.h | 7 +- >> include/linux/irqchip/irq-crossbar.h | 11 ++ >> 11 files changed, 343 insertions(+), 13 deletions(-) >> create mode 100644 Documentation/devicetree/bindings/arm/omap/crossbar.txt >> create mode 100644 drivers/irqchip/irq-crossbar.c >> create mode 100644 include/linux/irqchip/irq-crossbar.h >> > > I have addressed all the comments on this series, can this be merged now ? > Ping.. Regards, Sricharan -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
