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irqchip updates for 5.0-rc3

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- 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
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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
This commit is contained in:
Thomas Gleixner 2019-01-18 23:32:29 +01:00
commit 37b144df80
4 changed files with 15 additions and 15 deletions
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25
drivers/irqchip/irq-gic-v3-its.c
View File

@ -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;

2
drivers/irqchip/irq-gic-v3-mbi.c
View File

@ -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;

2
drivers/irqchip/irq-madera.c
View File

@ -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>

1
drivers/irqchip/irq-stm32-exti.c
View File

@ -822,6 +822,7 @@ static int __init stm32_exti_init(const struct stm32_exti_drv_data *drv_data,
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