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author | Thomas Gleixner <tglx@linutronix.de> | 2019-01-18 23:32:29 +0100 |
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committer | Thomas Gleixner <tglx@linutronix.de> | 2019-01-18 23:32:29 +0100 |
commit | 37b144df8099465bf8d08296d8b424c77fd9b0ac (patch) | |
tree | c56dc3c491dca9b0c52670465c80cf354de9bfce /drivers | |
parent | 12fee4cd5be2c4a73cc13d7ad76eb2d2feda8a71 (diff) | |
parent | 8208d1708b88b412ca97f50a6d951242c88cbbac (diff) | |
download | linux-stable-37b144df8099465bf8d08296d8b424c77fd9b0ac.tar.gz linux-stable-37b144df8099465bf8d08296d8b424c77fd9b0ac.tar.bz2 linux-stable-37b144df8099465bf8d08296d8b424c77fd9b0ac.zip |
Merge tag 'irqchip-5.0-2' of git://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms into irq/urgent
Pull irqchip updates from Marc Zyngier
- Add missing DT translation call in stm32-exti
- Fix uninitialized mutex in the GICv3 MBI support code
- Drop useless GPIO includes from the madera driver
- Fix PCI Multi-MSI allocation with aliasing devices on GICv3 ITS
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/irqchip/irq-gic-v3-its.c | 25 | ||||
-rw-r--r-- | drivers/irqchip/irq-gic-v3-mbi.c | 2 | ||||
-rw-r--r-- | drivers/irqchip/irq-madera.c | 2 | ||||
-rw-r--r-- | drivers/irqchip/irq-stm32-exti.c | 1 |
4 files changed, 15 insertions, 15 deletions
diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c index db20e992a40f..7f2a45445b00 100644 --- a/drivers/irqchip/irq-gic-v3-its.c +++ b/drivers/irqchip/irq-gic-v3-its.c @@ -2399,13 +2399,14 @@ static void its_free_device(struct its_device *its_dev) kfree(its_dev); } -static int its_alloc_device_irq(struct its_device *dev, irq_hw_number_t *hwirq) +static int its_alloc_device_irq(struct its_device *dev, int nvecs, irq_hw_number_t *hwirq) { int idx; - idx = find_first_zero_bit(dev->event_map.lpi_map, - dev->event_map.nr_lpis); - if (idx == dev->event_map.nr_lpis) + idx = bitmap_find_free_region(dev->event_map.lpi_map, + dev->event_map.nr_lpis, + get_count_order(nvecs)); + if (idx < 0) return -ENOSPC; *hwirq = dev->event_map.lpi_base + idx; @@ -2501,21 +2502,21 @@ static int its_irq_domain_alloc(struct irq_domain *domain, unsigned int virq, int err; int i; - for (i = 0; i < nr_irqs; i++) { - err = its_alloc_device_irq(its_dev, &hwirq); - if (err) - return err; + err = its_alloc_device_irq(its_dev, nr_irqs, &hwirq); + if (err) + return err; - err = its_irq_gic_domain_alloc(domain, virq + i, hwirq); + for (i = 0; i < nr_irqs; i++) { + err = its_irq_gic_domain_alloc(domain, virq + i, hwirq + i); if (err) return err; irq_domain_set_hwirq_and_chip(domain, virq + i, - hwirq, &its_irq_chip, its_dev); + hwirq + i, &its_irq_chip, its_dev); irqd_set_single_target(irq_desc_get_irq_data(irq_to_desc(virq + i))); pr_debug("ID:%d pID:%d vID:%d\n", - (int)(hwirq - its_dev->event_map.lpi_base), - (int) hwirq, virq + i); + (int)(hwirq + i - its_dev->event_map.lpi_base), + (int)(hwirq + i), virq + i); } return 0; diff --git a/drivers/irqchip/irq-gic-v3-mbi.c b/drivers/irqchip/irq-gic-v3-mbi.c index ad70e7c416e3..fbfa7ff6deb1 100644 --- a/drivers/irqchip/irq-gic-v3-mbi.c +++ b/drivers/irqchip/irq-gic-v3-mbi.c @@ -24,7 +24,7 @@ struct mbi_range { unsigned long *bm; }; -static struct mutex mbi_lock; +static DEFINE_MUTEX(mbi_lock); static phys_addr_t mbi_phys_base; static struct mbi_range *mbi_ranges; static unsigned int mbi_range_nr; diff --git a/drivers/irqchip/irq-madera.c b/drivers/irqchip/irq-madera.c index e9256dee1a45..8b81271c823c 100644 --- a/drivers/irqchip/irq-madera.c +++ b/drivers/irqchip/irq-madera.c @@ -7,7 +7,6 @@ */ #include <linux/module.h> -#include <linux/gpio.h> #include <linux/interrupt.h> #include <linux/irq.h> #include <linux/irqdomain.h> @@ -16,7 +15,6 @@ #include <linux/slab.h> #include <linux/of.h> #include <linux/of_device.h> -#include <linux/of_gpio.h> #include <linux/of_irq.h> #include <linux/irqchip/irq-madera.h> #include <linux/mfd/madera/core.h> diff --git a/drivers/irqchip/irq-stm32-exti.c b/drivers/irqchip/irq-stm32-exti.c index 6edfd4bfa169..a93296b9b45d 100644 --- a/drivers/irqchip/irq-stm32-exti.c +++ b/drivers/irqchip/irq-stm32-exti.c @@ -822,6 +822,7 @@ out_unmap: static const struct irq_domain_ops stm32_exti_h_domain_ops = { .alloc = stm32_exti_h_domain_alloc, .free = irq_domain_free_irqs_common, + .xlate = irq_domain_xlate_twocell, }; static int |