On Thursday 26 December 2013 11:14 PM, Santosh Shilimkar wrote: > Sricharan, > > On Wednesday 25 December 2013 11:52 PM, Sricharan R wrote: >> 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.. >> > Thomas has already given his reviewed-by tag so the patches can be > taken via arm-soc tree considering OMAP and GIC changes. Can you > create a branch with all these patches applied and send it > to Tony ? > Ok, i will send out a branch for this. 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
