diff options
Diffstat (limited to 'drivers/irqchip/irq-gic-v2m.c')
| -rw-r--r-- | drivers/irqchip/irq-gic-v2m.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/drivers/irqchip/irq-gic-v2m.c b/drivers/irqchip/irq-gic-v2m.c index de14e06fd9ec..875ac80f690b 100644 --- a/drivers/irqchip/irq-gic-v2m.c +++ b/drivers/irqchip/irq-gic-v2m.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * ARM GIC v2m MSI(-X) support * Support for Message Signaled Interrupts for systems that @@ -7,10 +8,6 @@ * Authors: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com> * Harish Kasiviswanathan <harish.kasiviswanathan@amd.com> * Brandon Anderson <brandon.anderson@amd.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published - * by the Free Software Foundation. */ #define pr_fmt(fmt) "GICv2m: " fmt @@ -110,7 +107,7 @@ static void gicv2m_compose_msi_msg(struct irq_data *data, struct msi_msg *msg) if (v2m->flags & GICV2M_NEEDS_SPI_OFFSET) msg->data -= v2m->spi_offset; - iommu_dma_map_msi_msg(data->irq, msg); + iommu_dma_compose_msi_msg(irq_data_get_msi_desc(data), msg); } static struct irq_chip gicv2m_irq_chip = { @@ -167,6 +164,7 @@ static void gicv2m_unalloc_msi(struct v2m_data *v2m, unsigned int hwirq, static int gicv2m_irq_domain_alloc(struct irq_domain *domain, unsigned int virq, unsigned int nr_irqs, void *args) { + msi_alloc_info_t *info = args; struct v2m_data *v2m = NULL, *tmp; int hwirq, offset, i, err = 0; @@ -186,6 +184,11 @@ static int gicv2m_irq_domain_alloc(struct irq_domain *domain, unsigned int virq, hwirq = v2m->spi_start + offset; + err = iommu_dma_prepare_msi(info->desc, + v2m->res.start + V2M_MSI_SETSPI_NS); + if (err) + return err; + for (i = 0; i < nr_irqs; i++) { err = gicv2m_irq_gic_domain_alloc(domain, virq + i, hwirq + i); if (err) |