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2020-07-27irqchip: irq-bcm2836.h: drop a duplicated wordRandy Dunlap1-1/+1
Drop the repeated word "the" in a comment. Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Marc Zyngier <maz@kernel.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Jason Cooper <jason@lakedaemon.net> Cc: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/20200719002853.20419-1-rdunlap@infradead.org
2020-07-27irqchip/gic-v4.1: Ensure accessing the correct RD when writing INVALLRZenghui Yu1-3/+7
The GICv4.1 spec tells us that it's CONSTRAINED UNPREDICTABLE to issue a register-based invalidation operation for a vPEID not mapped to that RD, or another RD within the same CommonLPIAff group. To follow this rule, commit f3a059219bc7 ("irqchip/gic-v4.1: Ensure mutual exclusion between vPE affinity change and RD access") tried to address the race between the RD accesses and the vPE affinity change, but somehow forgot to take GICR_INVALLR into account. Let's take the vpe_lock before evaluating vpe->col_idx to fix it. Fixes: f3a059219bc7 ("irqchip/gic-v4.1: Ensure mutual exclusion between vPE affinity change and RD access") Signed-off-by: Zenghui Yu <yuzenghui@huawei.com> Signed-off-by: Marc Zyngier <maz@kernel.org> Cc: stable@vger.kernel.org Link: https://lore.kernel.org/r/20200720092328.708-1-yuzenghui@huawei.com
2020-07-27irqchip/irq-bcm7038-l1: Guard uses of cpu_logical_mapFlorian Fainelli1-0/+8
cpu_logical_map is only defined for CONFIG_SMP builds, when we are in an UP configuration, the boot CPU is 0. Fixes: 6468fc18b006 ("irqchip/irq-bcm7038-l1: Add PM support") Reported-by: kernel test robot <lkp@intel.com> Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/20200724184157.29150-1-f.fainelli@gmail.com
2020-07-27irqchip/gic-v3: Remove unused register definitionZenghui Yu1-4/+0
[maz: The GICv3 spec has evolved quite a bit since the draft the Linux driver was written against, and some register definitions are simply gone] As per the GICv3 specification, GIC{D,R}_SEIR are not assigned and the locations (0x0068) are actually Reserved. GICR_MOV{LPI,ALL}R are two IMP DEF registers and might be defined by some specific micro-architecture. As they're not used anywhere in the kernel, just drop all of them. Signed-off-by: Zenghui Yu <yuzenghui@huawei.com> [maz: added context explaination] Signed-off-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/20200630134126.880-1-yuzenghui@huawei.com
2020-07-27irqchip/qcom-pdc: Allow QCOM_PDC to be loadable as a permanent moduleJohn Stultz2-2/+28
Allows qcom-pdc driver to be loaded as a permanent module Also, due to the fact that IRQCHIP_DECLARE becomes a no-op when building as a module, we have to replace it with platform driver hooks explicitly. Thanks to Saravana for his help on pointing out the IRQCHIP_DECLARE issue and guidance on a solution. Signed-off-by: John Stultz <john.stultz@linaro.org> Signed-off-by: Marc Zyngier <maz@kernel.org> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Cc: Andy Gross <agross@kernel.org> Cc: Bjorn Andersson <bjorn.andersson@linaro.org> Cc: Joerg Roedel <joro@8bytes.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Jason Cooper <jason@lakedaemon.net> Cc: Marc Zyngier <maz@kernel.org> Cc: Linus Walleij <linus.walleij@linaro.org> Cc: Maulik Shah <mkshah@codeaurora.org> Cc: Lina Iyer <ilina@codeaurora.org> Cc: Saravana Kannan <saravanak@google.com> Cc: Todd Kjos <tkjos@google.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: linux-arm-msm@vger.kernel.org Cc: iommu@lists.linux-foundation.org Cc: linux-gpio@vger.kernel.org Link: https://lore.kernel.org/r/20200710231824.60699-4-john.stultz@linaro.org
2020-07-27genirq: Export irq_chip_retrigger_hierarchy and ↵John Stultz1-1/+2
irq_chip_set_vcpu_affinity_parent Add EXPORT_SYMBOL_GPL entries for irq_chip_retrigger_hierarchy() and irq_chip_set_vcpu_affinity_parent() so that we can allow drivers like the qcom-pdc driver to be loadable as a module. Signed-off-by: John Stultz <john.stultz@linaro.org> Signed-off-by: Marc Zyngier <maz@kernel.org> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Cc: Andy Gross <agross@kernel.org> Cc: Bjorn Andersson <bjorn.andersson@linaro.org> Cc: Joerg Roedel <joro@8bytes.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Jason Cooper <jason@lakedaemon.net> Cc: Marc Zyngier <maz@kernel.org> Cc: Linus Walleij <linus.walleij@linaro.org> Cc: Maulik Shah <mkshah@codeaurora.org> Cc: Lina Iyer <ilina@codeaurora.org> Cc: Saravana Kannan <saravanak@google.com> Cc: Todd Kjos <tkjos@google.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: linux-arm-msm@vger.kernel.org Cc: iommu@lists.linux-foundation.org Cc: linux-gpio@vger.kernel.org Link: https://lore.kernel.org/r/20200710231824.60699-3-john.stultz@linaro.org
2020-07-27irqdomain: Export irq_domain_update_bus_tokenJohn Stultz1-0/+1
Add export for irq_domain_update_bus_token() so that we can allow drivers like the qcom-pdc driver to be loadable as a module. Signed-off-by: John Stultz <john.stultz@linaro.org> Signed-off-by: Marc Zyngier <maz@kernel.org> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Cc: Andy Gross <agross@kernel.org> Cc: Bjorn Andersson <bjorn.andersson@linaro.org> Cc: Joerg Roedel <joro@8bytes.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Jason Cooper <jason@lakedaemon.net> Cc: Marc Zyngier <maz@kernel.org> Cc: Linus Walleij <linus.walleij@linaro.org> Cc: Maulik Shah <mkshah@codeaurora.org> Cc: Lina Iyer <ilina@codeaurora.org> Cc: Saravana Kannan <saravanak@google.com> Cc: Todd Kjos <tkjos@google.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: linux-arm-msm@vger.kernel.org Cc: iommu@lists.linux-foundation.org Cc: linux-gpio@vger.kernel.org Link: https://lore.kernel.org/r/20200710231824.60699-2-john.stultz@linaro.org
2020-07-27irqchip/mips-gic: Make local symbols staticWei Yongjun1-5/+5
The sparse tool complains as follows: drivers/irqchip/irq-mips-gic.c:49:1: warning: symbol '__pcpu_scope_pcpu_masks' was not declared. Should it be static? drivers/irqchip/irq-mips-gic.c:620:6: warning: symbol 'gic_ipi_domain_free' was not declared. Should it be static? drivers/irqchip/irq-mips-gic.c:634:5: warning: symbol 'gic_ipi_domain_match' was not declared. Should it be static? Those symbols are not used outside of irq-mips-gic.c, so marks them static. Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com> Signed-off-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/20200714142245.16124-1-weiyongjun1@huawei.com
2020-07-27genirq/irqdomain: Remove redundant NULL pointer check on fwnodeZenghui Yu1-1/+1
The is_fwnode_irqchip() helper will check if the fwnode_handle is empty. There is no need to perform a redundant check outside of it. Signed-off-by: Zenghui Yu <yuzenghui@huawei.com> Signed-off-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/20200716083905.287-1-yuzenghui@huawei.com
2020-07-27irqchip/ativic32: Constify irq_domain_opsMasahiro Yamada1-1/+1
This is passed to irq_domain_add_linear(), which accepts a pointer to a const structure. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Signed-off-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/20200714173857.477422-1-masahiroy@kernel.org
2020-07-27irqchip/stm32-exti: Use the hwspin_lock_timeout_in_atomic() APIFabien Dessenne1-45/+20
Now that the hwspin_lock_timeout_in_atomic() API is available use it. Signed-off-by: Fabien Dessenne <fabien.dessenne@st.com> Signed-off-by: Alexandre Torgue <alexandre.torgue@st.com> Signed-off-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/20200706081115.25180-1-alexandre.torgue@st.com
2020-07-17irqchip/loongson-liointc: Fix potential dead lockTiezhu Yang1-0/+1
In the function liointc_set_type(), we need to call the function irq_gc_unlock_irqrestore() before returning. Fixes: dbb152267908 ("irqchip: Add driver for Loongson I/O Local Interrupt Controller") Reported-by: Jianmin Lv <lvjianmin@loongson.cn> Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn> Signed-off-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/1594087972-21715-8-git-send-email-yangtiezhu@loongson.cn
2020-07-17irqchip/loongson-pch-msi: Remove unneeded variableTiezhu Yang1-6/+1
irq_domain_alloc_irqs_parent() returns 0 on success and non-zero value on failure, it is redudant to check its non-zero return value and then return it, so just remove the variable "ret" and return directly in the function pch_msi_parent_domain_alloc(). Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn> Signed-off-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/1594087972-21715-7-git-send-email-yangtiezhu@loongson.cn
2020-07-17irqchip/loongson-pch-pic: Check return value of irq_domain_translate_twocell()Tiezhu Yang1-6/+9
Check the return value of irq_domain_translate_twocell() due to it may returns -EINVAL if failed and use variable fwspec for it, and then use a new variable parent_fwspec which is proper for irq_domain_alloc_irqs_parent(). Fixes: ef8c01eb64ca ("irqchip: Add Loongson PCH PIC controller") Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn> Signed-off-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/1594087972-21715-6-git-send-email-yangtiezhu@loongson.cn
2020-07-17irqchip/loongson-htvec: Check return value of irq_domain_translate_onecell()Tiezhu Yang1-1/+4
Check the return value of irq_domain_translate_onecell() due to it may returns -EINVAL if failed. Fixes: 818e915fbac5 ("irqchip: Add Loongson HyperTransport Vector support") Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn> Signed-off-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/1594087972-21715-5-git-send-email-yangtiezhu@loongson.cn
2020-07-17irqchip/loongson-htvec: Fix potential resource leakTiezhu Yang1-1/+4
In the function htvec_of_init(), system resource "parent_irq" was not released in an error case. Thus add a jump target for the completion of the desired exception handling. Fixes: 818e915fbac5 ("irqchip: Add Loongson HyperTransport Vector support") Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn> Signed-off-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/1594087972-21715-4-git-send-email-yangtiezhu@loongson.cn
2020-07-17irqchip/loongson-htpic: Remove unneeded select of I8259Tiezhu Yang1-1/+0
LOONGSON_HTPIC depends on MACH_LOONGSON64 and MACH_LOONGSON64 already selects I8259 in arch/mips/Kconfig, so no need to select I8259 again when config LOONGSON_HTPIC. Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn> Signed-off-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/1594087972-21715-3-git-send-email-yangtiezhu@loongson.cn
2020-07-17irqchip/loongson-htpic: Remove redundant kfree operationTiezhu Yang1-4/+2
In the function htpic_of_init(), when kzalloc htpic fails, it should return -ENOMEM directly, no need to execute "goto" to kfree. Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn> Signed-off-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/1594087972-21715-2-git-send-email-yangtiezhu@loongson.cn
2020-07-17irqchip/irq-bcm7038-l1: Allow building on ARM 32-bitFlorian Fainelli1-0/+3
We need to have a definition for cpu_logical_map[] which on ARM platforms is provided by asm/smp_plat.h. This header is not automatically included from linux/smp.h and untangling it is a bit difficult. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/20200709234141.4901-1-f.fainelli@gmail.com
2020-07-17irqchip/brcmstb-l2: Match UPG_AUX_AON_INTR2 compatibleFlorian Fainelli1-0/+2
The UPG_AUX_AON_INTR2 Level 2 interrupt controller node is defined with the "brcm,upg-aux-aon-l2-intc" compatible string in Device Tree and behaves as an edge triggered standard Broadcom STB L2 interrupt controller. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/20200709223016.989-7-f.fainelli@gmail.com
2020-07-17dt-bindings: interrupt-controller: Document UPG auxiliary L2Florian Fainelli1-0/+1
Define the compatible string brcm,upg-aux-aon-l2-intc which is used by the Broadcom STB UPG auxiliary always-on interrupt controller. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/20200709223016.989-6-f.fainelli@gmail.com
2020-07-17irqchip/brcmstb-l2: Match HIF_SPI_INTR2 compatibleKamal Dasu1-0/+2
The HIF_SPI_INTR2 Level 2 interrupt controller node is defined with the "brcm,hif-spi-l2-intc" compatible string in Device Tree and behaves as an edge triggered standard Broadcom STB L2 interrupt controller. Signed-off-by: Kamal Dasu <kdasu.kdev@gmail.com> Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/20200709223016.989-5-f.fainelli@gmail.com
2020-07-17dt-bindings: interrupt-controller: Document Broadcom STB HIF L2Florian Fainelli1-1/+3
Add documentation for the brcm,hif-spi-l2-intc compatible string to the brcm,l2-intc.txt binding document. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/20200709223016.989-4-f.fainelli@gmail.com
2020-07-17irqchip/brcmstb-l2: Set controller as wake-up sourceJustin Chen1-0/+1
Utilize the Broadcom interrupt controller standard property "brcm,irq-can-wake" to flag whether this particular interrupt controller instance is wake-up capable. Since we do not know what type of parent interrupt controller we are interfaced with, ensure that enable_irq_wake() is called early on. Signed-off-by: Justin Chen <justinpopo6@gmail.com> Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/20200709223016.989-3-f.fainelli@gmail.com
2020-07-17irqchip/bcm7120-l2: Set controller as wake-up sourceJustin Chen1-3/+5
Utilize the Broadcom interrupt controller standard property "brcm,irq-can-wake" to flag whether this particular interrupt controller instance is wake-up capable. Since we do not know what type of parent interrupt controller we are interfaced with, ensure that enable_irq_wake() is called early on. Signed-off-by: Justin Chen <justinpopo6@gmail.com> Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/20200709223016.989-2-f.fainelli@gmail.com
2020-06-27drivers/acpi: Remove function castOscar Carter1-6/+6
Remove the function cast in the ACPI_DECLARE_PROBE_ENTRY macro to ensure that the functions passed as a last parameter to this macro have the right prototype. This is an effort to enable -Wcast-function-type in the top-level Makefile to support Control Flow Integrity builds. Suggested-by: Marc Zyngier <maz@kernel.org> Signed-off-by: Oscar Carter <oscar.carter@gmx.com> Signed-off-by: Marc Zyngier <maz@kernel.org> Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Link: https://lore.kernel.org/r/20200530143430.5203-4-oscar.carter@gmx.com
2020-06-27drivers/irqchip: Use new macro ACPI_DECLARE_SUBTABLE_PROBE_ENTRYOscar Carter3-4/+5
In an effort to enable -Wcast-function-type in the top-level Makefile to support Control Flow Integrity builds, there are the need to remove all the function callback casts. To do this, modify the IRQCHIP_ACPI_DECLARE macro to use the new defined macro ACPI_DECLARE_SUBTABLE_PROBE_ENTRY instead of the macro ACPI_DECLARE_PROBE_ENTRY. This is necessary to be able to initialize the the acpi_probe_entry struct using the probe_subtbl field instead of the probe_table field and avoid function cast mismatches. Also, modify the prototype of the functions used by the invocation of the IRQCHIP_ACPI_DECLARE macro to match all the parameters. Co-developed-by: Marc Zyngier <maz@kernel.org> Signed-off-by: Marc Zyngier <maz@kernel.org> Signed-off-by: Oscar Carter <oscar.carter@gmx.com> Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Link: https://lore.kernel.org/r/20200530143430.5203-3-oscar.carter@gmx.com
2020-06-27drivers/acpi: Add new macro ACPI_DECLARE_SUBTABLE_PROBE_ENTRYOscar Carter1-0/+11
In an effort to enable -Wcast-function-type in the top-level Makefile to support Control Flow Integrity builds, there are the need to remove all the function callback casts. To do this, create a new macro called ACPI_DECLARE_SUBTABLE_PROBE_ENTRY to initialize the acpi_probe_entry struct using the probe_subtbl field instead of the probe_table field. This is a previous work to be able to modify the IRQCHIP_ACPI_DECLARE macro to use this new defined macro. Even though these two commented fields are part of a union, this is necessary to avoid function cast mismatches. That is, due to the IRQCHIP_ACPI_DECLARE invocations use as last parameter a function with the protoype "int (*func)(struct acpi_subtable_header *, const unsigned long)" it's necessary that this macro initialize the probe_subtbl field of the acpi_probe_entry struct and not the probe_table field. Co-developed-by: Marc Zyngier <maz@kernel.org> Signed-off-by: Marc Zyngier <maz@kernel.org> Signed-off-by: Oscar Carter <oscar.carter@gmx.com> Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Link: https://lore.kernel.org/r/20200530143430.5203-2-oscar.carter@gmx.com
2020-06-27irqchip/atmel-aic5: Add support for sam9x60 rtt fixupClaudiu Beznea1-1/+7
Add support for SAM9X60 RTT fixup. Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com> Signed-off-by: Marc Zyngier <maz@kernel.org> Reviewed-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/1591779936-18577-2-git-send-email-claudiu.beznea@microchip.com
2020-06-27irqchip/imx-intmux: Use struct_size() helper in devm_kzalloc()Gustavo A. R. Silva1-2/+1
Make use of the struct_size() helper instead of an open-coded version in order to avoid any potential type mistakes. This code was detected with the help of Coccinelle and, audited and fixed manually. Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org> Signed-off-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/20200616230923.GA24937@embeddedor
2020-06-27irqchip/irq-mtk-sysirq: Replace spinlock with raw_spinlockBartosz Golaszewski1-4/+4
This driver may take a regular spinlock when a raw spinlock (irq_desc->lock) is already taken which results in the following lockdep splat: ============================= [ BUG: Invalid wait context ] 5.7.0-rc7 #1 Not tainted ----------------------------- swapper/0/0 is trying to lock: ffffff800303b798 (&chip_data->lock){....}-{3:3}, at: mtk_sysirq_set_type+0x48/0xc0 other info that might help us debug this: context-{5:5} 2 locks held by swapper/0/0: #0: ffffff800302ee68 (&desc->request_mutex){....}-{4:4}, at: __setup_irq+0xc4/0x8a0 #1: ffffff800302ecf0 (&irq_desc_lock_class){....}-{2:2}, at: __setup_irq+0xe4/0x8a0 stack backtrace: CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.7.0-rc7 #1 Hardware name: Pumpkin MT8516 (DT) Call trace: dump_backtrace+0x0/0x180 show_stack+0x14/0x20 dump_stack+0xd0/0x118 __lock_acquire+0x8c8/0x2270 lock_acquire+0xf8/0x470 _raw_spin_lock_irqsave+0x50/0x78 mtk_sysirq_set_type+0x48/0xc0 __irq_set_trigger+0x58/0x170 __setup_irq+0x420/0x8a0 request_threaded_irq+0xd8/0x190 timer_of_init+0x1e8/0x2c4 mtk_gpt_init+0x5c/0x1dc timer_probe+0x74/0xf4 time_init+0x14/0x44 start_kernel+0x394/0x4f0 Replace the spinlock_t with raw_spinlock_t to avoid this warning. Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com> Signed-off-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/20200615074445.3579-1-brgl@bgdev.pl
2020-06-27irqchip/vic: Cut down the external APILinus Walleij2-10/+4
There are registers and functions in the header file that are only used inside the driver. Move these into the driver. Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/20200607215124.48638-2-linus.walleij@linaro.org
2020-06-27irqchip/vic: Drop cascaded intialization callLinus Walleij2-23/+0
We got rid of the last user of the cascaded intialization from board files so drop this API. Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/20200607215124.48638-1-linus.walleij@linaro.org
2020-06-27irqchip/ti-sci-inta: Fix typo about MODULE_AUTHORTiezhu Yang1-1/+1
It should be "ti.com" instead of "ticom". Fixes: 9f1463b86c13 ("irqchip/ti-sci-inta: Add support for Interrupt Aggregator driver") Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn> Signed-off-by: Marc Zyngier <maz@kernel.org> Reviewed-by: Grygorii Strashko <grygorii.strashko@ti.com> Link: https://lore.kernel.org/r/1591437017-5295-3-git-send-email-yangtiezhu@loongson.cn
2020-06-27irqchip/ti-sci-inta: Fix return value about devm_ioremap_resource()Tiezhu Yang1-1/+1
When call function devm_ioremap_resource(), we should use IS_ERR() to check the return value and return PTR_ERR() if failed. Fixes: 9f1463b86c13 ("irqchip/ti-sci-inta: Add support for Interrupt Aggregator driver") Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn> Signed-off-by: Marc Zyngier <maz@kernel.org> Reviewed-by: Grygorii Strashko <grygorii.strashko@ti.com> Link: https://lore.kernel.org/r/1591437017-5295-2-git-send-email-yangtiezhu@loongson.cn
2020-06-27irqchip/ti-sci-inta: Remove dead code in ti_sci_inta_set_type()Tiezhu Yang1-2/+0
In the function ti_sci_inta_set_type(), the statement "return -EINVAL;" out of switch case is dead code, remove it. Fixes: 9f1463b86c13 ("irqchip/ti-sci-inta: Add support for Interrupt Aggregator driver") Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn> Signed-off-by: Marc Zyngier <maz@kernel.org> Reviewed-by: Grygorii Strashko <grygorii.strashko@ti.com> Link: https://lore.kernel.org/r/1591437017-5295-1-git-send-email-yangtiezhu@loongson.cn
2020-06-22Linux 5.8-rc2v5.8-rc2Linus Torvalds1-1/+1
2020-06-22Merge tag 'selinux-pr-20200621' of ↵Linus Torvalds2-13/+12
git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux Pull SELinux fixes from Paul Moore: "Three small patches to fix problems in the SELinux code, all found via clang. Two patches fix potential double-free conditions and one fixes an undefined return value" * tag 'selinux-pr-20200621' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux: selinux: fix undefined return of cond_evaluate_expr selinux: fix a double free in cond_read_node()/cond_read_list() selinux: fix double free
2020-06-21Merge tag 'pinctrl-v5.8-2' of ↵Linus Torvalds6-23/+19
git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl Pull pin control fixes from Linus Walleij: "Some early fixes collected during the first week after the merge window, all pretty self-evident, with the details below. The revert is the crucial thing. - Fix a warning on the Qualcomm SPMI GPIO chip being instatiated twice without a unique irqchip struct - Use the noirq variants of the suspend and resume callbacks in the Tegra driver - Clean up the errorpath on the MCP23s08 driver - Revert the use of devm_of_iomap() in the Freescale driver as it was regressing the platform - Add some missing pins in the Qualcomm IPQ6018 driver - Fix a simple documentation bug in the pinctrl-single driver" * tag 'pinctrl-v5.8-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: pinctrl: single: fix function name in documentation pinctrl: qcom: ipq6018 Add missing pins in qpic pin group Revert "pinctrl: freescale: imx: Use 'devm_of_iomap()' to avoid a resource leak in case of error in 'imx_pinctrl_probe()'" pinctrl: mcp23s08: Split to three parts: fix ptr_ret.cocci warnings pinctrl: tegra: Use noirq suspend/resume callbacks pinctrl: qcom: spmi-gpio: fix warning about irq chip reusage
2020-06-21Merge tag 'kbuild-fixes-v5.8' of ↵Linus Torvalds8-34/+18
git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild Pull Kbuild fixes from Masahiro Yamada: - fix -gz=zlib compiler option test for CONFIG_DEBUG_INFO_COMPRESSED - improve cc-option in scripts/Kbuild.include to clean up temp files - improve cc-option in scripts/Kconfig.include for more reliable compile option test - do not copy modules.builtin by 'make install' because it would break existing systems - use 'userprogs' syntax for watch_queue sample * tag 'kbuild-fixes-v5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: samples: watch_queue: build sample program for target architecture Revert "Makefile: install modules.builtin even if CONFIG_MODULES=n" scripts: Fix typo in headers_install.sh kconfig: unify cc-option and as-option kbuild: improve cc-option to clean up all temporary files Makefile: Improve compressed debug info support detection
2020-06-21Merge tag 'powerpc-5.8-3' of ↵Linus Torvalds7-20/+37
git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux Pull powerpc fixes from Michael Ellerman: - One fix for the interrupt rework we did last release which broke KVM-PR - Three commits fixing some fallout from the READ_ONCE() changes interacting badly with our 8xx 16K pages support, which uses a pte_t that is a structure of 4 actual PTEs - A cleanup of the 8xx pte_update() to use the newly added pmd_off() - A fix for a crash when handling an oops if CONFIG_DEBUG_VIRTUAL is enabled - A minor fix for the SPU syscall generation Thanks to Aneesh Kumar K.V, Christian Zigotzky, Christophe Leroy, Mike Rapoport, Nicholas Piggin. * tag 'powerpc-5.8-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: powerpc/8xx: Provide ptep_get() with 16k pages mm: Allow arches to provide ptep_get() mm/gup: Use huge_ptep_get() in gup_hugepte() powerpc/syscalls: Use the number when building SPU syscall table powerpc/8xx: use pmd_off() to access a PMD entry in pte_update() powerpc/64s: Fix KVM interrupt using wrong save area powerpc: Fix kernel crash in show_instructions() w/DEBUG_VIRTUAL
2020-06-21Merge branch 'linus' of ↵Linus Torvalds12-35/+45
git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 Pull crypto fixes from Herbert Xu: - NULL dereference in octeontx - PM reference imbalance in ks-sa - deadlock in crypto manager - memory leak in drbg - missing socket limit check on receive SG list size in algif_skcipher - typos in caam - warnings in ccp and hisilicon * 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: crypto: drbg - always try to free Jitter RNG instance crypto: marvell/octeontx - Fix a potential NULL dereference crypto: algboss - don't wait during notifier callback crypto: caam - fix typos crypto: ccp - Fix sparse warnings in sev-dev crypto: hisilicon - Cap block size at 2^31 crypto: algif_skcipher - Cap recv SG list at ctx->used hwrng: ks-sa - Fix runtime PM imbalance on error
2020-06-21samples: watch_queue: build sample program for target architectureMasahiro Yamada2-7/+5
This userspace program includes UAPI headers exported to usr/include/. 'make headers' always works for the target architecture (i.e. the same architecture as the kernel), so the sample program should be built for the target as well. Kbuild now supports 'userprogs' for that. I also guarded the CONFIG option by 'depends on CC_CAN_LINK' because $(CC) may not provide libc. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2020-06-21Revert "Makefile: install modules.builtin even if CONFIG_MODULES=n"Masahiro Yamada1-11/+3
This reverts commit e0b250b57dcf403529081e5898a9de717f96b76b, which broke build systems that need to install files to a certain path, but do not set INSTALL_MOD_PATH when invoking 'make install'. $ make INSTALL_PATH=/tmp/destdir install mkdir: cannot create directory ‘/lib/modules/5.8.0-rc1+/’: Permission denied Makefile:1342: recipe for target '_builtin_inst_' failed make: *** [_builtin_inst_] Error 1 While modules.builtin is useful also for CONFIG_MODULES=n, this change in the behavior is quite unexpected. Maybe "make modules_install" can install modules.builtin irrespective of CONFIG_MODULES as Jonas originally suggested. Anyway, that commit should be reverted ASAP. Reported-by: Douglas Anderson <dianders@chromium.org> Reported-by: Guenter Roeck <linux@roeck-us.net> Cc: Jonas Karlman <jonas@kwiboo.se> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Tested-by: Guenter Roeck <linux@roeck-us.net>
2020-06-21Merge tag 'scsi-fixes' of ↵Linus Torvalds10-1/+15
git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi Pull SCSI fixes from James Bottomley: "One minor fix and two patches reworking the ata dma drain for the !CONFIG_LIBATA case. The latter is a 5.7 regression fix" * tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: scsi: Wire up ata_scsi_dma_need_drain for SAS HBA drivers scsi: libata: Provide an ata_scsi_dma_need_drain stub for !CONFIG_ATA scsi: ufs-bsg: Fix runtime PM imbalance on error
2020-06-21Merge branch 'i2c/for-current' of ↵Linus Torvalds10-48/+25
git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux Pull i2c fixes from Wolfram Sang: - a small collection of remaining API conversion patches (all acked) which allow to finally remove the deprecated API - some documentation fixes and a MAINTAINERS addition * 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: MAINTAINERS: Add robert and myself as qcom i2c cci maintainers i2c: smbus: Fix spelling mistake in the comments Documentation/i2c: SMBus start signal is S not A i2c: remove deprecated i2c_new_device API Documentation: media: convert to use i2c_new_client_device() video: backlight: tosa_lcd: convert to use i2c_new_client_device() x86/platform/intel-mid: convert to use i2c_new_client_device() drm: encoder_slave: use new I2C API drm: encoder_slave: fix refcouting error for modules
2020-06-20pinctrl: single: fix function name in documentationDrew Fustini1-1/+1
Use the correct the function name in the documentation for "pcs_parse_one_pinctrl_entry()". "smux_parse_one_pinctrl_entry()" appears to be an artifact from the development of a prior patch series ("simple pinmux driver") which transformed into pinctrl-single. Signed-off-by: Drew Fustini <drew@beagleboard.org> Link: https://lore.kernel.org/r/20200612112758.GA3407886@x1 Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2020-06-20Merge tag 'trace-v5.8-rc1' of ↵Linus Torvalds15-67/+239
git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace Pull tracing fixes from Steven Rostedt: - Have recordmcount work with > 64K sections (to support LTO) - kprobe RCU fixes - Correct a kprobe critical section with missing mutex - Remove redundant arch_disarm_kprobe() call - Fix lockup when kretprobe triggers within kprobe_flush_task() - Fix memory leak in fetch_op_data operations - Fix sleep in atomic in ftrace trace array sample code - Free up memory on failure in sample trace array code - Fix incorrect reporting of function_graph fields in format file - Fix quote within quote parsing in bootconfig - Fix return value of bootconfig tool - Add testcases for bootconfig tool - Fix maybe uninitialized warning in ftrace pid file code - Remove unused variable in tracing_iter_reset() - Fix some typos * tag 'trace-v5.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: ftrace: Fix maybe-uninitialized compiler warning tools/bootconfig: Add testcase for show-command and quotes test tools/bootconfig: Fix to return 0 if succeeded to show the bootconfig tools/bootconfig: Fix to use correct quotes for value proc/bootconfig: Fix to use correct quotes for value tracing: Remove unused event variable in tracing_iter_reset tracing/probe: Fix memleak in fetch_op_data operations trace: Fix typo in allocate_ftrace_ops()'s comment tracing: Make ftrace packed events have align of 1 sample-trace-array: Remove trace_array 'sample-instance' sample-trace-array: Fix sleeping function called from invalid context kretprobe: Prevent triggering kretprobe from within kprobe_flush_task kprobes: Remove redundant arch_disarm_kprobe() call kprobes: Fix to protect kick_kprobe_optimizer() by kprobe_mutex kprobes: Use non RCU traversal APIs on kprobe_tables if possible kprobes: Suppress the suspicious RCU warning on kprobes recordmcount: support >64k sections
2020-06-20Merge tag 'libnvdimm-for-5.8-rc2' of ↵Linus Torvalds7-23/+618
git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm Pull libnvdimm updates from Dan Williams: "A feature (papr_scm health retrieval) and a fix (sysfs attribute visibility) for v5.8. Vaibhav explains in the merge commit below why missing v5.8 would be painful and I agreed to try a -rc2 pull because only cosmetics kept this out of -rc1 and his initial versions were posted in more than enough time for v5.8 consideration: 'These patches are tied to specific features that were committed to customers in upcoming distros releases (RHEL and SLES) whose time-lines are tied to 5.8 kernel release. Being able to track the health of an nvdimm is critical for our customers that are running workloads leveraging papr-scm nvdimms. Missing the 5.8 kernel would mean missing the distro timelines and shifting forward the availability of this feature in distro kernels by at least 6 months' Summary: - Fix the visibility of the region 'align' attribute. The new unit tests for region alignment handling caught a corner case where the alignment cannot be specified if the region is converted from static to dynamic provisioning at runtime. - Add support for device health retrieval for the persistent memory supported by the papr_scm driver. This includes both the standard sysfs "health flags" that the nfit persistent memory driver publishes and a mechanism for the ndctl tool to retrieve a health-command payload" * tag 'libnvdimm-for-5.8-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm: nvdimm/region: always show the 'align' attribute powerpc/papr_scm: Implement support for PAPR_PDSM_HEALTH ndctl/papr_scm,uapi: Add support for PAPR nvdimm specific methods powerpc/papr_scm: Improve error logging and handling papr_scm_ndctl() powerpc/papr_scm: Fetch nvdimm health information from PHYP seq_buf: Export seq_buf_printf powerpc: Document details on H_SCM_HEALTH hcall
2020-06-20pinctrl: qcom: ipq6018 Add missing pins in qpic pin groupSivaprakash Murugesan1-1/+2
The patch adds missing qpic data pins to qpic pingroup. These pins are necessary for the qpic nand to work. Fixes: ef1ea54eab0e ("pinctrl: qcom: Add ipq6018 pinctrl driver") Signed-off-by: Sivaprakash Murugesan <sivaprak@codeaurora.org> Link: https://lore.kernel.org/r/1592541089-17700-1-git-send-email-sivaprak@codeaurora.org Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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