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authorMarcel Ziswiler <marcel.ziswiler@toradex.com>2020-02-04 11:31:11 +0100
committerMarcel Ziswiler <marcel.ziswiler@toradex.com>2020-02-07 13:50:20 +0100
commit500f9a04cd76f504285ad99b15e390e20ab17e0c (patch)
treee1c5ff3a78e75f0847b47fbac63d279dd411e7e5 /drivers/irqchip
parent0f549d8c4d5edd68a2a492afd48228458d3bca4a (diff)
parent6d0c334a400db31751c787c411e7187ab59a3f1d (diff)
Merge tag 'v4.14.164' into 4.14-2.3.x-imx
This is the 4.14.164 stable release Conflicts: arch/arm/Kconfig.debug arch/arm/boot/dts/imx7s.dtsi arch/arm/mach-imx/cpuidle-imx6q.c arch/arm/mach-imx/cpuidle-imx6sx.c arch/arm64/kernel/cpu_errata.c arch/arm64/kvm/hyp/tlb.c drivers/crypto/caam/caamalg.c drivers/crypto/mxs-dcp.c drivers/dma/imx-sdma.c drivers/gpio/gpio-vf610.c drivers/gpu/drm/bridge/adv7511/adv7511_drv.c drivers/input/keyboard/imx_keypad.c drivers/input/keyboard/snvs_pwrkey.c drivers/mmc/core/block.c drivers/mmc/core/queue.h drivers/mmc/host/sdhci-esdhc-imx.c drivers/net/can/flexcan.c drivers/net/can/rx-offload.c drivers/net/ethernet/freescale/fec_main.c drivers/net/wireless/ath/ath10k/pci.c drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c drivers/pci/dwc/pci-imx6.c drivers/spi/spi-fsl-lpspi.c drivers/usb/dwc3/gadget.c include/net/tcp.h sound/soc/fsl/Kconfig sound/soc/fsl/fsl_esai.c
Diffstat (limited to 'drivers/irqchip')
-rw-r--r--drivers/irqchip/irq-bcm7038-l1.c4
-rw-r--r--drivers/irqchip/irq-gic-v3-its.c45
-rw-r--r--drivers/irqchip/irq-imx-gpcv2.c1
-rw-r--r--drivers/irqchip/irq-ingenic.c15
-rw-r--r--drivers/irqchip/irq-mbigen.c3
-rw-r--r--drivers/irqchip/irq-mmp.c6
-rw-r--r--drivers/irqchip/irq-mvebu-icu.c2
7 files changed, 58 insertions, 18 deletions
diff --git a/drivers/irqchip/irq-bcm7038-l1.c b/drivers/irqchip/irq-bcm7038-l1.c
index 0b9a8b709abf..b32988cac80c 100644
--- a/drivers/irqchip/irq-bcm7038-l1.c
+++ b/drivers/irqchip/irq-bcm7038-l1.c
@@ -284,6 +284,10 @@ static int __init bcm7038_l1_init_one(struct device_node *dn,
pr_err("failed to map parent interrupt %d\n", parent_irq);
return -EINVAL;
}
+
+ if (of_property_read_bool(dn, "brcm,irq-can-wake"))
+ enable_irq_wake(parent_irq);
+
irq_set_chained_handler_and_data(parent_irq, bcm7038_l1_irq_handle,
intc);
diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c
index 7638ca03fb1f..52238e6bed39 100644
--- a/drivers/irqchip/irq-gic-v3-its.c
+++ b/drivers/irqchip/irq-gic-v3-its.c
@@ -87,9 +87,14 @@ struct its_baser {
* The ITS structure - contains most of the infrastructure, with the
* top-level MSI domain, the command queue, the collections, and the
* list of devices writing to it.
+ *
+ * dev_alloc_lock has to be taken for device allocations, while the
+ * spinlock must be taken to parse data structures such as the device
+ * list.
*/
struct its_node {
raw_spinlock_t lock;
+ struct mutex dev_alloc_lock;
struct list_head entry;
void __iomem *base;
phys_addr_t phys_base;
@@ -138,6 +143,7 @@ struct its_device {
void *itt;
u32 nr_ites;
u32 device_id;
+ bool shared;
};
static struct {
@@ -1702,6 +1708,8 @@ static int its_alloc_tables(struct its_node *its)
indirect = its_parse_indirect_baser(its, baser,
psz, &order,
its->device_ids);
+ break;
+
case GITS_BASER_TYPE_VCPU:
indirect = its_parse_indirect_baser(its, baser,
psz, &order,
@@ -2109,6 +2117,7 @@ static int its_msi_prepare(struct irq_domain *domain, struct device *dev,
struct its_device *its_dev;
struct msi_domain_info *msi_info;
u32 dev_id;
+ int err = 0;
/*
* We ignore "dev" entierely, and rely on the dev_id that has
@@ -2131,6 +2140,7 @@ static int its_msi_prepare(struct irq_domain *domain, struct device *dev,
return -EINVAL;
}
+ mutex_lock(&its->dev_alloc_lock);
its_dev = its_find_device(its, dev_id);
if (its_dev) {
/*
@@ -2138,18 +2148,22 @@ static int its_msi_prepare(struct irq_domain *domain, struct device *dev,
* another alias (PCI bridge of some sort). No need to
* create the device.
*/
+ its_dev->shared = true;
pr_debug("Reusing ITT for devID %x\n", dev_id);
goto out;
}
its_dev = its_create_device(its, dev_id, nvec, true);
- if (!its_dev)
- return -ENOMEM;
+ if (!its_dev) {
+ err = -ENOMEM;
+ goto out;
+ }
pr_debug("ITT %d entries, %d bits\n", nvec, ilog2(nvec));
out:
+ mutex_unlock(&its->dev_alloc_lock);
info->scratchpad[0].ptr = its_dev;
- return 0;
+ return err;
}
static struct msi_domain_ops its_msi_domain_ops = {
@@ -2252,22 +2266,28 @@ static void its_irq_domain_free(struct irq_domain *domain, unsigned int virq,
{
struct irq_data *d = irq_domain_get_irq_data(domain, virq);
struct its_device *its_dev = irq_data_get_irq_chip_data(d);
+ struct its_node *its = its_dev->its;
int i;
+ bitmap_release_region(its_dev->event_map.lpi_map,
+ its_get_event_id(irq_domain_get_irq_data(domain, virq)),
+ get_count_order(nr_irqs));
+
for (i = 0; i < nr_irqs; i++) {
struct irq_data *data = irq_domain_get_irq_data(domain,
virq + i);
- u32 event = its_get_event_id(data);
-
- /* Mark interrupt index as unused */
- clear_bit(event, its_dev->event_map.lpi_map);
-
/* Nuke the entry in the domain */
irq_domain_reset_irq_data(data);
}
- /* If all interrupts have been freed, start mopping the floor */
- if (bitmap_empty(its_dev->event_map.lpi_map,
+ mutex_lock(&its->dev_alloc_lock);
+
+ /*
+ * If all interrupts have been freed, start mopping the
+ * floor. This is conditionned on the device not being shared.
+ */
+ if (!its_dev->shared &&
+ bitmap_empty(its_dev->event_map.lpi_map,
its_dev->event_map.nr_lpis)) {
its_lpi_free_chunks(its_dev->event_map.lpi_map,
its_dev->event_map.lpi_base,
@@ -2279,6 +2299,8 @@ static void its_irq_domain_free(struct irq_domain *domain, unsigned int virq,
its_free_device(its_dev);
}
+ mutex_unlock(&its->dev_alloc_lock);
+
irq_domain_free_irqs_parent(domain, virq, nr_irqs);
}
@@ -2608,7 +2630,7 @@ static int its_vpe_init(struct its_vpe *vpe)
if (!its_alloc_vpe_table(vpe_id)) {
its_vpe_id_free(vpe_id);
- its_free_pending_table(vpe->vpt_page);
+ its_free_pending_table(vpt_page);
return -ENOMEM;
}
@@ -2966,6 +2988,7 @@ static int __init its_probe_one(struct resource *res,
}
raw_spin_lock_init(&its->lock);
+ mutex_init(&its->dev_alloc_lock);
INIT_LIST_HEAD(&its->entry);
INIT_LIST_HEAD(&its->its_device_list);
typer = gic_read_typer(its_base + GITS_TYPER);
diff --git a/drivers/irqchip/irq-imx-gpcv2.c b/drivers/irqchip/irq-imx-gpcv2.c
index 675eda5ff2b8..e4831491a3c4 100644
--- a/drivers/irqchip/irq-imx-gpcv2.c
+++ b/drivers/irqchip/irq-imx-gpcv2.c
@@ -145,6 +145,7 @@ static struct irq_chip gpcv2_irqchip_data_chip = {
.irq_unmask = imx_gpcv2_irq_unmask,
.irq_set_wake = imx_gpcv2_irq_set_wake,
.irq_retrigger = irq_chip_retrigger_hierarchy,
+ .irq_set_type = irq_chip_set_type_parent,
#ifdef CONFIG_SMP
.irq_set_affinity = irq_chip_set_affinity_parent,
#endif
diff --git a/drivers/irqchip/irq-ingenic.c b/drivers/irqchip/irq-ingenic.c
index fc5953dea509..b2e16dca76a6 100644
--- a/drivers/irqchip/irq-ingenic.c
+++ b/drivers/irqchip/irq-ingenic.c
@@ -117,6 +117,14 @@ static int __init ingenic_intc_of_init(struct device_node *node,
goto out_unmap_irq;
}
+ domain = irq_domain_add_legacy(node, num_chips * 32,
+ JZ4740_IRQ_BASE, 0,
+ &irq_domain_simple_ops, NULL);
+ if (!domain) {
+ err = -ENOMEM;
+ goto out_unmap_base;
+ }
+
for (i = 0; i < num_chips; i++) {
/* Mask all irqs */
writel(0xffffffff, intc->base + (i * CHIP_SIZE) +
@@ -143,14 +151,11 @@ static int __init ingenic_intc_of_init(struct device_node *node,
IRQ_NOPROBE | IRQ_LEVEL);
}
- domain = irq_domain_add_legacy(node, num_chips * 32, JZ4740_IRQ_BASE, 0,
- &irq_domain_simple_ops, NULL);
- if (!domain)
- pr_warn("unable to register IRQ domain\n");
-
setup_irq(parent_irq, &intc_cascade_action);
return 0;
+out_unmap_base:
+ iounmap(intc->base);
out_unmap_irq:
irq_dispose_mapping(parent_irq);
out_free:
diff --git a/drivers/irqchip/irq-mbigen.c b/drivers/irqchip/irq-mbigen.c
index 567b29c47608..98b6e1d4b1a6 100644
--- a/drivers/irqchip/irq-mbigen.c
+++ b/drivers/irqchip/irq-mbigen.c
@@ -161,6 +161,9 @@ static void mbigen_write_msg(struct msi_desc *desc, struct msi_msg *msg)
void __iomem *base = d->chip_data;
u32 val;
+ if (!msg->address_lo && !msg->address_hi)
+ return;
+
base += get_mbigen_vec_reg(d->hwirq);
val = readl_relaxed(base);
diff --git a/drivers/irqchip/irq-mmp.c b/drivers/irqchip/irq-mmp.c
index 25f32e1d7764..3496b61a312a 100644
--- a/drivers/irqchip/irq-mmp.c
+++ b/drivers/irqchip/irq-mmp.c
@@ -34,6 +34,9 @@
#define SEL_INT_PENDING (1 << 6)
#define SEL_INT_NUM_MASK 0x3f
+#define MMP2_ICU_INT_ROUTE_PJ4_IRQ (1 << 5)
+#define MMP2_ICU_INT_ROUTE_PJ4_FIQ (1 << 6)
+
struct icu_chip_data {
int nr_irqs;
unsigned int virq_base;
@@ -190,7 +193,8 @@ static const struct mmp_intc_conf mmp_conf = {
static const struct mmp_intc_conf mmp2_conf = {
.conf_enable = 0x20,
.conf_disable = 0x0,
- .conf_mask = 0x7f,
+ .conf_mask = MMP2_ICU_INT_ROUTE_PJ4_IRQ |
+ MMP2_ICU_INT_ROUTE_PJ4_FIQ,
};
static void __exception_irq_entry mmp_handle_irq(struct pt_regs *regs)
diff --git a/drivers/irqchip/irq-mvebu-icu.c b/drivers/irqchip/irq-mvebu-icu.c
index e18c48d3a92e..6a77b9ea8e41 100644
--- a/drivers/irqchip/irq-mvebu-icu.c
+++ b/drivers/irqchip/irq-mvebu-icu.c
@@ -92,7 +92,7 @@ static int
mvebu_icu_irq_domain_translate(struct irq_domain *d, struct irq_fwspec *fwspec,
unsigned long *hwirq, unsigned int *type)
{
- struct mvebu_icu *icu = d->host_data;
+ struct mvebu_icu *icu = platform_msi_get_host_data(d);
unsigned int icu_group;
/* Check the count of the parameters in dt */