diff options
| -rw-r--r-- | drivers/irqchip/irq-sg2042-msi.c | 46 |
1 files changed, 23 insertions, 23 deletions
diff --git a/drivers/irqchip/irq-sg2042-msi.c b/drivers/irqchip/irq-sg2042-msi.c index ee682e87eb8b..5f7fae456bd4 100644 --- a/drivers/irqchip/irq-sg2042-msi.c +++ b/drivers/irqchip/irq-sg2042-msi.c @@ -21,7 +21,7 @@ #define SG2042_MAX_MSI_VECTOR 32 -struct sg2042_msi_chipdata { +struct sg204x_msi_chipdata { void __iomem *reg_clr; // clear reg, see TRM, 10.1.33, GP_INTR0_CLR phys_addr_t doorbell_addr; // see TRM, 10.1.32, GP_INTR0_SET @@ -33,7 +33,7 @@ struct sg2042_msi_chipdata { struct mutex msi_map_lock; // lock for msi_map }; -static int sg2042_msi_allocate_hwirq(struct sg2042_msi_chipdata *data, int num_req) +static int sg204x_msi_allocate_hwirq(struct sg204x_msi_chipdata *data, int num_req) { int first; @@ -43,7 +43,7 @@ static int sg2042_msi_allocate_hwirq(struct sg2042_msi_chipdata *data, int num_r return first >= 0 ? first : -ENOSPC; } -static void sg2042_msi_free_hwirq(struct sg2042_msi_chipdata *data, int hwirq, int num_req) +static void sg204x_msi_free_hwirq(struct sg204x_msi_chipdata *data, int hwirq, int num_req) { guard(mutex)(&data->msi_map_lock); bitmap_release_region(data->msi_map, hwirq, get_count_order(num_req)); @@ -51,7 +51,7 @@ static void sg2042_msi_free_hwirq(struct sg2042_msi_chipdata *data, int hwirq, i static void sg2042_msi_irq_ack(struct irq_data *d) { - struct sg2042_msi_chipdata *data = irq_data_get_irq_chip_data(d); + struct sg204x_msi_chipdata *data = irq_data_get_irq_chip_data(d); int bit_off = d->hwirq; writel(1 << bit_off, data->reg_clr); @@ -61,7 +61,7 @@ static void sg2042_msi_irq_ack(struct irq_data *d) static void sg2042_msi_irq_compose_msi_msg(struct irq_data *d, struct msi_msg *msg) { - struct sg2042_msi_chipdata *data = irq_data_get_irq_chip_data(d); + struct sg204x_msi_chipdata *data = irq_data_get_irq_chip_data(d); msg->address_hi = upper_32_bits(data->doorbell_addr); msg->address_lo = lower_32_bits(data->doorbell_addr); @@ -79,9 +79,9 @@ static const struct irq_chip sg2042_msi_middle_irq_chip = { .irq_compose_msi_msg = sg2042_msi_irq_compose_msi_msg, }; -static int sg2042_msi_parent_domain_alloc(struct irq_domain *domain, unsigned int virq, int hwirq) +static int sg204x_msi_parent_domain_alloc(struct irq_domain *domain, unsigned int virq, int hwirq) { - struct sg2042_msi_chipdata *data = domain->host_data; + struct sg204x_msi_chipdata *data = domain->host_data; struct irq_fwspec fwspec; struct irq_data *d; int ret; @@ -99,18 +99,18 @@ static int sg2042_msi_parent_domain_alloc(struct irq_domain *domain, unsigned in return d->chip->irq_set_type(d, IRQ_TYPE_EDGE_RISING); } -static int sg2042_msi_middle_domain_alloc(struct irq_domain *domain, unsigned int virq, +static int sg204x_msi_middle_domain_alloc(struct irq_domain *domain, unsigned int virq, unsigned int nr_irqs, void *args) { - struct sg2042_msi_chipdata *data = domain->host_data; + struct sg204x_msi_chipdata *data = domain->host_data; int hwirq, err, i; - hwirq = sg2042_msi_allocate_hwirq(data, nr_irqs); + hwirq = sg204x_msi_allocate_hwirq(data, nr_irqs); if (hwirq < 0) return hwirq; for (i = 0; i < nr_irqs; i++) { - err = sg2042_msi_parent_domain_alloc(domain, virq + i, hwirq + i); + err = sg204x_msi_parent_domain_alloc(domain, virq + i, hwirq + i); if (err) goto err_hwirq; @@ -121,25 +121,25 @@ static int sg2042_msi_middle_domain_alloc(struct irq_domain *domain, unsigned in return 0; err_hwirq: - sg2042_msi_free_hwirq(data, hwirq, nr_irqs); + sg204x_msi_free_hwirq(data, hwirq, nr_irqs); irq_domain_free_irqs_parent(domain, virq, i); return err; } -static void sg2042_msi_middle_domain_free(struct irq_domain *domain, unsigned int virq, +static void sg204x_msi_middle_domain_free(struct irq_domain *domain, unsigned int virq, unsigned int nr_irqs) { struct irq_data *d = irq_domain_get_irq_data(domain, virq); - struct sg2042_msi_chipdata *data = irq_data_get_irq_chip_data(d); + struct sg204x_msi_chipdata *data = irq_data_get_irq_chip_data(d); irq_domain_free_irqs_parent(domain, virq, nr_irqs); - sg2042_msi_free_hwirq(data, d->hwirq, nr_irqs); + sg204x_msi_free_hwirq(data, d->hwirq, nr_irqs); } -static const struct irq_domain_ops sg2042_msi_middle_domain_ops = { - .alloc = sg2042_msi_middle_domain_alloc, - .free = sg2042_msi_middle_domain_free, +static const struct irq_domain_ops sg204x_msi_middle_domain_ops = { + .alloc = sg204x_msi_middle_domain_alloc, + .free = sg204x_msi_middle_domain_free, .select = msi_lib_irq_domain_select, }; @@ -157,14 +157,14 @@ static const struct msi_parent_ops sg2042_msi_parent_ops = { .init_dev_msi_info = msi_lib_init_dev_msi_info, }; -static int sg2042_msi_init_domains(struct sg2042_msi_chipdata *data, +static int sg204x_msi_init_domains(struct sg204x_msi_chipdata *data, struct irq_domain *plic_domain, struct device *dev) { struct fwnode_handle *fwnode = dev_fwnode(dev); struct irq_domain *middle_domain; middle_domain = irq_domain_create_hierarchy(plic_domain, 0, data->num_irqs, fwnode, - &sg2042_msi_middle_domain_ops, data); + &sg204x_msi_middle_domain_ops, data); if (!middle_domain) { pr_err("Failed to create the MSI middle domain\n"); return -ENOMEM; @@ -181,13 +181,13 @@ static int sg2042_msi_init_domains(struct sg2042_msi_chipdata *data, static int sg2042_msi_probe(struct platform_device *pdev) { struct fwnode_reference_args args = { }; - struct sg2042_msi_chipdata *data; + struct sg204x_msi_chipdata *data; struct device *dev = &pdev->dev; struct irq_domain *plic_domain; struct resource *res; int ret; - data = devm_kzalloc(dev, sizeof(struct sg2042_msi_chipdata), GFP_KERNEL); + data = devm_kzalloc(dev, sizeof(struct sg204x_msi_chipdata), GFP_KERNEL); if (!data) return -ENOMEM; @@ -231,7 +231,7 @@ static int sg2042_msi_probe(struct platform_device *pdev) mutex_init(&data->msi_map_lock); - return sg2042_msi_init_domains(data, plic_domain, dev); + return sg204x_msi_init_domains(data, plic_domain, dev); } static const struct of_device_id sg2042_msi_of_match[] = { |