irqdomain: Simplify interrupt handling
From: | Marc Zyngier <maz-AT-kernel.org> | |
To: | linux-kernel-AT-vger.kernel.org | |
Subject: | [PATCH v2 00/14][treewide] irqdomain: Simplify interrupt handling | |
Date: | Mon, 02 Aug 2021 17:26:16 +0100 | |
Message-ID: | <20210802162630.2219813-1-maz@kernel.org> | |
Cc: | Thomas Gleixner <tglx-AT-linutronix.de>, Michael Ellerman <mpe-AT-ellerman.id.au>, Benjamin Herrenschmidt <benh-AT-kernel.crashing.org>, Paul Mackerras <paulus-AT-samba.org>, Ley Foon Tan <ley.foon.tan-AT-intel.com>, Chris Zankel <chris-AT-zankel.net>, Max Filippov <jcmvbkbc-AT-gmail.com>, Vineet Gupta <vgupta-AT-synopsys.com>, Thomas Bogendoerfer <tsbogend-AT-alpha.franken.de>, Robert Jarzmik <robert.jarzmik-AT-free.fr>, Russell King <linux-AT-armlinux.org.uk>, Krzysztof Kozlowski <krzysztof.kozlowski-AT-canonical.com>, Yoshinori Sato <ysato-AT-users.sourceforge.jp>, Rich Felker <dalias-AT-libc.org>, Geert Uytterhoeven <geert-AT-linux-m68k.org>, Alex Deucher <alexander.deucher-AT-amd.com>, Christian König <christian.koenig-AT-amd.com>, David Airlie <airlied-AT-linux.ie>, Daniel Vetter <daniel-AT-ffwll.ch>, Rob Clark <robdclark-AT-gmail.com>, Linus Walleij <linus.walleij-AT-linaro.org>, Lee Jones <lee.jones-AT-linaro.org>, Lorenzo Pieralisi <lorenzo.pieralisi-AT-arm.com>, Rob Herring <robh-AT-kernel.org>, Bjorn Helgaas <bhelgaas-AT-google.com>, Bartosz Golaszewski <bgolaszewski-AT-baylibre.com>, kernel-team-AT-android.com | |
Archive-link: | Article |
Now that the core patches for generic_handle_domain_irq() have made it into the core code (see [1]), this series goes over the tree to simplify the interrupt handling by directly using the irq_data that is now stored in the IRQ domain. In summary, anything of the form: - generic_handle_irq(irq_find_mapping(domain, hwirq)) or - generic_handle_irq(irq_linear_revmap(domain, hwirq)) is turned into generic_handle_domain_irq(domain, hwirq), which deals with the gory details. This series goes over a number of subsystems and architectures, and also adds a bit of documentation. For those of you wondering about a merge strategy, all the patches should be independent. Maintainers can either pick them up themselves, or give me an Ack so that I can take them via the irqchip tree. Just let me know. I have an extra set of patches dealing with nested interrupts, but that still needs to mature a bit. * From v1 [1]: - Merged all the preliminary patches and core support - Caught up with a few extra users in 5.14 - Picked up ABs, RBs, with thanks - Rebased on top of v5.14-rc4 [1] https://lore.kernel.org/r/20210520163751.27325-1-maz@kern... Marc Zyngier (14): gpio: Bulk conversion to generic_handle_domain_irq() pinctrl: Bulk conversion to generic_handle_domain_irq() PCI: Bulk conversion to generic_handle_domain_irq() mfd: Bulk conversion to generic_handle_domain_irq() gpu: Bulk conversion to generic_handle_domain_irq() SH: Bulk conversion to generic_handle_domain_irq() ARM: Bulk conversion to generic_handle_domain_irq() mips: Bulk conversion to generic_handle_domain_irq() arc: Bulk conversion to generic_handle_domain_irq() xtensa: Bulk conversion to generic_handle_domain_irq() nios2: Bulk conversion to generic_handle_domain_irq() powerpc: Bulk conversion to generic_handle_domain_irq() EDAC/altera: Convert to generic_handle_domain_irq() Documentation: Update irq_domain.rst with new lookup APIs Documentation/core-api/irq/irq-domain.rst | 28 +++++++++++++++++-- arch/arc/kernel/mcip.c | 2 +- arch/arm/common/sa1111.c | 12 ++------ arch/arm/mach-pxa/pxa_cplds_irqs.c | 6 ++-- arch/arm/mach-s3c/irq-s3c24xx.c | 5 ++-- arch/mips/ath25/ar2315.c | 14 +++++----- arch/mips/ath25/ar5312.c | 13 ++++----- arch/mips/lantiq/irq.c | 2 +- arch/mips/pci/pci-ar2315.c | 8 ++---- arch/mips/pci/pci-rt3883.c | 5 ++-- arch/mips/ralink/irq.c | 2 +- arch/mips/sgi-ip27/ip27-irq.c | 16 ++++------- arch/mips/sgi-ip30/ip30-irq.c | 8 ++---- arch/nios2/kernel/irq.c | 4 +-- arch/powerpc/platforms/4xx/uic.c | 4 +-- .../powerpc/platforms/512x/mpc5121_ads_cpld.c | 23 +++++++-------- arch/powerpc/platforms/52xx/media5200.c | 9 +++--- arch/powerpc/platforms/52xx/mpc52xx_gpt.c | 7 ++--- arch/powerpc/platforms/82xx/pq2ads-pci-pic.c | 6 ++-- arch/powerpc/platforms/cell/interrupt.c | 8 ++---- arch/powerpc/platforms/cell/spider-pic.c | 11 ++------ arch/powerpc/platforms/embedded6xx/hlwd-pic.c | 15 +++++----- arch/powerpc/platforms/powernv/opal-irqchip.c | 11 +++----- arch/powerpc/sysdev/fsl_mpic_err.c | 11 +++----- arch/powerpc/sysdev/fsl_msi.c | 12 +++----- arch/sh/boards/mach-se/7343/irq.c | 2 +- arch/sh/boards/mach-se/7722/irq.c | 2 +- arch/sh/boards/mach-x3proto/gpio.c | 2 +- arch/xtensa/kernel/irq.c | 4 +-- drivers/edac/altera_edac.c | 7 ++--- drivers/gpio/gpio-104-dio-48e.c | 4 +-- drivers/gpio/gpio-104-idi-48.c | 4 +-- drivers/gpio/gpio-104-idio-16.c | 2 +- drivers/gpio/gpio-altera.c | 11 ++++---- drivers/gpio/gpio-aspeed-sgpio.c | 9 ++---- drivers/gpio/gpio-aspeed.c | 9 ++---- drivers/gpio/gpio-ath79.c | 7 ++--- drivers/gpio/gpio-bcm-kona.c | 6 ++-- drivers/gpio/gpio-brcmstb.c | 5 ++-- drivers/gpio/gpio-cadence.c | 2 +- drivers/gpio/gpio-davinci.c | 3 +- drivers/gpio/gpio-dln2.c | 22 ++++++--------- drivers/gpio/gpio-em.c | 2 +- drivers/gpio/gpio-ep93xx.c | 8 +++--- drivers/gpio/gpio-ftgpio010.c | 3 +- drivers/gpio/gpio-hisi.c | 4 +-- drivers/gpio/gpio-hlwd.c | 7 ++--- drivers/gpio/gpio-merrifield.c | 8 ++---- drivers/gpio/gpio-mpc8xxx.c | 2 +- drivers/gpio/gpio-mt7621.c | 4 +-- drivers/gpio/gpio-mxc.c | 2 +- drivers/gpio/gpio-mxs.c | 2 +- drivers/gpio/gpio-omap.c | 3 +- drivers/gpio/gpio-pci-idio-16.c | 2 +- drivers/gpio/gpio-pcie-idio-24.c | 3 +- drivers/gpio/gpio-pl061.c | 4 +-- drivers/gpio/gpio-pxa.c | 9 +++--- drivers/gpio/gpio-rcar.c | 4 +-- drivers/gpio/gpio-rda.c | 8 ++---- drivers/gpio/gpio-realtek-otto.c | 7 ++--- drivers/gpio/gpio-sch.c | 2 +- drivers/gpio/gpio-sodaville.c | 2 +- drivers/gpio/gpio-sprd.c | 12 +++----- drivers/gpio/gpio-tb10x.c | 2 +- drivers/gpio/gpio-tegra.c | 9 +++--- drivers/gpio/gpio-tegra186.c | 9 ++---- drivers/gpio/gpio-tqmx86.c | 10 +++---- drivers/gpio/gpio-vf610.c | 2 +- drivers/gpio/gpio-ws16c48.c | 4 +-- drivers/gpio/gpio-xgs-iproc.c | 2 +- drivers/gpio/gpio-xilinx.c | 2 +- drivers/gpio/gpio-xlp.c | 3 +- drivers/gpio/gpio-zynq.c | 8 ++---- drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c | 2 +- drivers/gpu/drm/msm/disp/dpu1/dpu_mdss.c | 15 +++------- drivers/gpu/drm/msm/disp/mdp5/mdp5_mdss.c | 3 +- drivers/gpu/ipu-v3/ipu-common.c | 11 +++----- drivers/mfd/db8500-prcmu.c | 2 +- drivers/mfd/fsl-imx25-tsadc.c | 4 +-- drivers/mfd/ioc3.c | 10 ++----- drivers/mfd/qcom-pm8xxx.c | 10 +++---- drivers/pci/controller/dwc/pci-dra7xx.c | 16 ++++------- drivers/pci/controller/dwc/pci-keystone.c | 14 ++++------ .../pci/controller/dwc/pcie-designware-host.c | 9 +++--- drivers/pci/controller/dwc/pcie-uniphier.c | 8 ++---- .../controller/mobiveil/pcie-mobiveil-host.c | 15 ++++------ drivers/pci/controller/pci-aardvark.c | 5 ++-- drivers/pci/controller/pci-ftpci100.c | 2 +- drivers/pci/controller/pci-tegra.c | 8 ++---- drivers/pci/controller/pci-xgene-msi.c | 9 ++---- drivers/pci/controller/pcie-altera-msi.c | 10 +++---- drivers/pci/controller/pcie-altera.c | 10 +++---- drivers/pci/controller/pcie-brcmstb.c | 9 +++--- drivers/pci/controller/pcie-iproc-msi.c | 4 +-- drivers/pci/controller/pcie-mediatek-gen3.c | 13 +++------ drivers/pci/controller/pcie-mediatek.c | 12 +++----- drivers/pci/controller/pcie-microchip-host.c | 18 +++++------- drivers/pci/controller/pcie-rcar-host.c | 8 ++---- drivers/pci/controller/pcie-rockchip-host.c | 8 ++---- drivers/pci/controller/pcie-xilinx-cpm.c | 4 +-- drivers/pci/controller/pcie-xilinx-nwl.c | 13 ++------- drivers/pci/controller/pcie-xilinx.c | 9 +++--- drivers/pinctrl/actions/pinctrl-owl.c | 5 ++-- drivers/pinctrl/bcm/pinctrl-bcm2835.c | 4 +-- drivers/pinctrl/bcm/pinctrl-iproc-gpio.c | 3 +- drivers/pinctrl/bcm/pinctrl-nsp-gpio.c | 3 +- drivers/pinctrl/intel/pinctrl-baytrail.c | 7 ++--- drivers/pinctrl/intel/pinctrl-cherryview.c | 5 ++-- drivers/pinctrl/intel/pinctrl-lynxpoint.c | 8 ++---- drivers/pinctrl/mediatek/mtk-eint.c | 5 ++-- drivers/pinctrl/nomadik/pinctrl-nomadik.c | 2 +- drivers/pinctrl/nuvoton/pinctrl-npcm7xx.c | 2 +- drivers/pinctrl/pinctrl-amd.c | 6 ++-- drivers/pinctrl/pinctrl-at91.c | 6 ++-- drivers/pinctrl/pinctrl-equilibrium.c | 2 +- drivers/pinctrl/pinctrl-ingenic.c | 2 +- drivers/pinctrl/pinctrl-microchip-sgpio.c | 2 +- drivers/pinctrl/pinctrl-ocelot.c | 3 +- drivers/pinctrl/pinctrl-oxnas.c | 2 +- drivers/pinctrl/pinctrl-pic32.c | 2 +- drivers/pinctrl/pinctrl-pistachio.c | 2 +- drivers/pinctrl/pinctrl-rockchip.c | 15 ++++------ drivers/pinctrl/pinctrl-single.c | 4 +-- drivers/pinctrl/pinctrl-st.c | 2 +- drivers/pinctrl/qcom/pinctrl-msm.c | 4 +-- drivers/pinctrl/samsung/pinctrl-exynos.c | 15 +++++----- drivers/pinctrl/samsung/pinctrl-s3c24xx.c | 25 +++++++---------- drivers/pinctrl/samsung/pinctrl-s3c64xx.c | 17 +++++------ drivers/pinctrl/spear/pinctrl-plgpio.c | 3 +- drivers/pinctrl/sunxi/pinctrl-sunxi.c | 8 ++---- 130 files changed, 362 insertions(+), 555 deletions(-) -- 2.30.2