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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2024-03-31 11:04:51 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2024-03-31 11:04:51 -0700 |
| commit | 5dad26235c4adde4199c7750c696fd729e5020ae (patch) | |
| tree | bbf305ccac077b8f5156eb502cd67687b92453c8 | |
| parent | 448f828feb495c93fc78f5bb15716968a64fe6f8 (diff) | |
| parent | 9e81e329508576b499b5c47ab106b5fa45ce96d9 (diff) | |
| download | wq-5dad26235c4adde4199c7750c696fd729e5020ae.tar.gz | |
Merge tag 'irq_urgent_for_v6.9_rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq fixes from Borislav Petkov:
- Fix an unused function warning on irqchip/irq-armada-370-xp
- Fix the IRQ sharing with pinctrl-amd and ACPI OSL
* tag 'irq_urgent_for_v6.9_rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
irqchip/armada-370-xp: Suppress unused-function warning
genirq: Introduce IRQF_COND_ONESHOT and use it in pinctrl-amd
| -rw-r--r-- | drivers/irqchip/irq-armada-370-xp.c | 2 | ||||
| -rw-r--r-- | drivers/pinctrl/pinctrl-amd.c | 2 | ||||
| -rw-r--r-- | include/linux/interrupt.h | 3 | ||||
| -rw-r--r-- | kernel/irq/manage.c | 9 |
4 files changed, 12 insertions, 4 deletions
diff --git a/drivers/irqchip/irq-armada-370-xp.c b/drivers/irqchip/irq-armada-370-xp.c index a55528469278c7..4b021a67bdfe48 100644 --- a/drivers/irqchip/irq-armada-370-xp.c +++ b/drivers/irqchip/irq-armada-370-xp.c @@ -316,7 +316,7 @@ static int armada_370_xp_msi_init(struct device_node *node, return 0; } #else -static void armada_370_xp_msi_reenable_percpu(void) {} +static __maybe_unused void armada_370_xp_msi_reenable_percpu(void) {} static inline int armada_370_xp_msi_init(struct device_node *node, phys_addr_t main_int_phys_base) diff --git a/drivers/pinctrl/pinctrl-amd.c b/drivers/pinctrl/pinctrl-amd.c index 49f89b70dcecb4..7f66ec73199a9c 100644 --- a/drivers/pinctrl/pinctrl-amd.c +++ b/drivers/pinctrl/pinctrl-amd.c @@ -1159,7 +1159,7 @@ static int amd_gpio_probe(struct platform_device *pdev) } ret = devm_request_irq(&pdev->dev, gpio_dev->irq, amd_gpio_irq_handler, - IRQF_SHARED | IRQF_ONESHOT, KBUILD_MODNAME, gpio_dev); + IRQF_SHARED | IRQF_COND_ONESHOT, KBUILD_MODNAME, gpio_dev); if (ret) goto out2; diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h index 76121c2bb4f824..5c9bdd3ffccc89 100644 --- a/include/linux/interrupt.h +++ b/include/linux/interrupt.h @@ -67,6 +67,8 @@ * later. * IRQF_NO_DEBUG - Exclude from runnaway detection for IPI and similar handlers, * depends on IRQF_PERCPU. + * IRQF_COND_ONESHOT - Agree to do IRQF_ONESHOT if already set for a shared + * interrupt. */ #define IRQF_SHARED 0x00000080 #define IRQF_PROBE_SHARED 0x00000100 @@ -82,6 +84,7 @@ #define IRQF_COND_SUSPEND 0x00040000 #define IRQF_NO_AUTOEN 0x00080000 #define IRQF_NO_DEBUG 0x00100000 +#define IRQF_COND_ONESHOT 0x00200000 #define IRQF_TIMER (__IRQF_TIMER | IRQF_NO_SUSPEND | IRQF_NO_THREAD) diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c index ad3eaf2ab95961..bf9ae8a8686ff6 100644 --- a/kernel/irq/manage.c +++ b/kernel/irq/manage.c @@ -1643,8 +1643,13 @@ __setup_irq(unsigned int irq, struct irq_desc *desc, struct irqaction *new) } if (!((old->flags & new->flags) & IRQF_SHARED) || - (oldtype != (new->flags & IRQF_TRIGGER_MASK)) || - ((old->flags ^ new->flags) & IRQF_ONESHOT)) + (oldtype != (new->flags & IRQF_TRIGGER_MASK))) + goto mismatch; + + if ((old->flags & IRQF_ONESHOT) && + (new->flags & IRQF_COND_ONESHOT)) + new->flags |= IRQF_ONESHOT; + else if ((old->flags ^ new->flags) & IRQF_ONESHOT) goto mismatch; /* All handlers must agree on per-cpuness */ |