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* irq: remove handle_domain_{irq,nmi}()Mark Rutland2021-10-261-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | Now that entry code handles IRQ entry (including setting the IRQ regs) before calling irqchip code, irqchip code can safely call generic_handle_domain_irq(), and there's no functional reason for it to call handle_domain_irq(). Let's cement this split of responsibility and remove handle_domain_irq() entirely, updating irqchip drivers to call generic_handle_domain_irq(). For consistency, handle_domain_nmi() is similarly removed and replaced with a generic_handle_domain_nmi() function which also does not perform any entry logic. Previously handle_domain_{irq,nmi}() had a WARN_ON() which would fire when they were called in an inappropriate context. So that we can identify similar issues going forward, similar WARN_ON_ONCE() logic is added to the generic_handle_*() functions, and comments are updated for clarity and consistency. Signed-off-by: Mark Rutland <mark.rutland@arm.com> Reviewed-by: Marc Zyngier <maz@kernel.org> Cc: Thomas Gleixner <tglx@linutronix.de>
* treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 159Thomas Gleixner2019-05-301-7/+1
| | | | | | | | | | | | | | | | | | | | | | | Based on 1 normalized pattern(s): the code contained herein is licensed under the gnu general public license you may obtain a copy of the gnu general public license version 2 or later at the following locations http www opensource org licenses gpl license html http www gnu org copyleft gpl html extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 161 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Richard Fontana <rfontana@redhat.com> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070033.383790741@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* Merge tag 'armsoc-soc' of ↵Linus Torvalds2016-08-011-3/+3
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc Pull ARM SoC platform updates from Olof Johansson: "Improved and new platform support for various SoCs: New SoC support: - Broadcom BCM23550 - Freescale i.MX7Solo - Qualcomm MDM9615 - Renesas r8a7792 Improvements: - convert clps711x to multiplatform - debug uart improvements for Atmel platforms - Tango platform improvements: HOTPLUG_CPU, Suspend-to-ram - OMAP tweaks and improvements to hwmod - OMAP support for kexec on SMP" * tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (109 commits) ARM: davinci: fix build break because of undeclared dm365_evm_snd_data ARM: s3c64xx: smartq: Avoid sparse warnings ARM: sti: Implement dummy L2 cache's write_sec ARM: STi: Update machine _namestr to be more generic. arm: meson: explicitly select clk drivers ARM: tango: add Suspend-to-RAM support ARM: hisi: consolidate the hisilicon machine entries ARM: tango: fix CONFIG_HOTPLUG_CPU=n build MAINTAINERS: Update BCM281XX/BCM11XXX/BCM216XX entry MAINTAINERS: Update BCM63XX entry MAINTAINERS: Add NS2 entry MAINTAINERS: Fix nsp false-positives MAINTAINERS: Change L to M for Broadcom ARM/ARM64 SoC entries ARM: debug: Enable DEBUG_BCM_5301X for Northstar Plus SoCs ARM: clps711x: Switch to MULTIPLATFORM ARM: clps711x: Remove boards support ARM: clps711x: Add basic DT support ARM: clps711x: Reduce static map size ARM: SAMSUNG: Constify iomem address passed to s5p_init_cpu ARM: oxnas: Change OX810SE default driver config ...
| * ARM: i.MX: Fix FIQ interrupt handling for TZICAlexander Shiyan2016-06-211-3/+3
| | | | | | | | | | | | | | | | | | IRQ number should be translated from VIRQ to HWIRQ for TZIC. As a solution for this issue, move existing translation code from AVIC to common place. Signed-off-by: Alexander Shiyan <shc_work@mail.ru> Signed-off-by: Shawn Guo <shawnguo@kernel.org>
* | ARM: imx: Use IRQCHIP_DECLARE for TZICAlexander Shiyan2016-06-121-5/+5
|/ | | | | | | Remove boilerplate code by using IRQCHIP_DECLARE macro. Signed-off-by: Alexander Shiyan <shc_work@mail.ru> Signed-off-by: Shawn Guo <shawnguo@kernel.org>
* ARM: imx: use endian-safe readl/readw/writel/writewJohannes Berg2016-02-021-17/+17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Instead of __raw_*, define imx_* to *_relaxed and use those. Using imx_* was requested by Arnd because *_relaxed tends to indicate that the code was carefully reviewed to not require any synchronisation and otherwise be safe, which isn't the case here with the automatic conversion. The conversion itself was done using the following spatch (since that automatically adjusts the coding style unlike a simple search&replace). @@ expression E1, E2; @@ -__raw_writel(E1, E2) +imx_writel(E1, E2) @@ expression E1, E2; @@ -__raw_writew(E1, E2) +imx_writew(E1, E2) @@ expression E1; @@ -__raw_readl(E1) +imx_readl(E1) @@ expression E1; @@ -__raw_readw(E1) +imx_readw(E1) Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: Shawn Guo <shawnguo@kernel.org>
* ARM: imx: tzic: Convert to handle_domain_irqMarc Zyngier2014-09-031-2/+1
| | | | | | | | | Use the new handle_domain_irq method to handle interrupts. Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> Acked-by: Shawn Guo <shawn.guo@freescale.com> Link: https://lkml.kernel.org/r/1409047421-27649-24-git-send-email-marc.zyngier@arm.com Signed-off-by: Jason Cooper <jason@lakedaemon.net>
* ARM: imx5: tzic_init_irq() can directly be .init_irq hookShawn Guo2014-07-181-3/+6
| | | | | | | | After i.MX51 supports DT only, tzic_init_irq() can figure out the tzic_base on its own. Thus, it can directly be .init_irq hook, and mx51[53]_init_irq() can be saved. Signed-off-by: Shawn Guo <shawn.guo@freescale.com>
* ARM: i.MX: Setup IRQ handler from IRQ driverAlexander Shiyan2014-05-121-1/+3
| | | | | | | | This patch moves IRQ handler setup to the its corresponded IRQ driver (AVIC, TZIC). Signed-off-by: Alexander Shiyan <shc_work@mail.ru> Signed-off-by: Shawn Guo <shawn.guo@freescale.com>
* ARM: mach-imx: tzic: Staticize *tzic_baseFabio Estevam2013-04-011-1/+1
| | | | | | | | | | | Fix the following sparse warning: arch/arm/mach-imx/tzic.c:52:14: warning: symbol 'tzic_base' was not declared. Should it be static? Also, remove the comment, as it does not apply for kernels newer than 3.2. Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
* ARM: imx: remove header file mach/irqs.hShawn Guo2012-10-151-2/+0
| | | | | | | | | | | | | | | | | The only mach/irqs.h user outside arch/arm/mach-imx is sound/soc/fsl/imx-pcm-fiq.c, which refers to mxc_set_irq_fiq(). Move the declaration into include/linux/platform_data/asoc-imx-ssi.h, so that we can remove mach/irqs.h includsion from imx-pcm-fiq.c. Inside arch/arm/mach-imx, the only users to mach/irqs.h are avic.c and tzic.c for referring to macro FIQ_START. Let's move the macro into irq-common.h and get rid of mach/irqs.h completely. Signed-off-by: Shawn Guo <shawn.guo@linaro.org> Acked-by: Sascha Hauer <s.hauer@pengutronix.de> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Cc: alsa-devel@alsa-project.org
* ARM: imx: include hardware.h rather than mach/hardware.hShawn Guo2012-10-151-1/+1
| | | | | | | | | | | It moves a bunch of header files included in hardware.h and itself from mach-imx/include/mach to mach-imx, and updates users to include hardware.h rather than mach/hardware.h. The files in mach-imx/devices will need to include "../hardware.h". Signed-off-by: Shawn Guo <shawn.guo@linaro.org> Acked-by: Sascha Hauer <s.hauer@pengutronix.de> Acked-by: Arnd Bergmann <arnd@arndb.de>
* ARM: imx: include common.h rather than mach/common.hShawn Guo2012-10-151-1/+1
| | | | | | | | | | | | Rename mach-imx/include/mach/common.h to mach-imx/common.h and update all users to include common.h rather than mach/common.h. It also removes an unneeded inclusion to common.h in mach-imx/devices/devices.c. Signed-off-by: Shawn Guo <shawn.guo@linaro.org> Acked-by: Sascha Hauer <s.hauer@pengutronix.de> Acked-by: Arnd Bergmann <arnd@arndb.de>
* ARM: imx: merge plat-mxc into mach-imxShawn Guo2012-10-151-0/+224
It's really unnecessary to have plat-mxc, and let's merge it into mach-imx. It's pretty much just a bunch of file renaming and Kconfig/Makefile merge. To make the change less invasive, we keep using Kconfig symbol CONFIG_ARCH_MXC for mach-imx sub-architecture. Signed-off-by: Shawn Guo <shawn.guo@linaro.org> Acked-by: Sascha Hauer <s.hauer@pengutronix.de> Acked-by: Arnd Bergmann <arnd@arndb.de>
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