Messages in this thread Patch in this message | | | Date | Wed, 6 Jun 2018 03:10:37 -0700 | From | tip-bot for Laurentiu Tudor <> | Subject | [tip:irq/urgent] irqchip/ls-scfg-msi: Map MSIs in the iommu |
| |
Commit-ID: 0cdd431c337e99177e68597f3de34bedd3a20a74 Gitweb: https://git.kernel.org/tip/0cdd431c337e99177e68597f3de34bedd3a20a74 Author: Laurentiu Tudor <laurentiu.tudor@nxp.com> AuthorDate: Tue, 5 Jun 2018 15:27:27 +0300 Committer: Thomas Gleixner <tglx@linutronix.de> CommitDate: Wed, 6 Jun 2018 12:05:19 +0200
irqchip/ls-scfg-msi: Map MSIs in the iommu
Add the required iommu_dma_map_msi_msg() when composing the MSI message, otherwise the interrupts will not work.
Signed-off-by: Laurentiu Tudor <laurentiu.tudor@nxp.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: jason@lakedaemon.net Cc: marc.zyngier@arm.com Cc: zhiqiang.hou@nxp.com Cc: minghuan.lian@nxp.com Link: https://lkml.kernel.org/r/20180605122727.12831-1-laurentiu.tudor@nxp.com
--- drivers/irqchip/irq-ls-scfg-msi.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/drivers/irqchip/irq-ls-scfg-msi.c b/drivers/irqchip/irq-ls-scfg-msi.c index 57e3d900f19e..1ec3bfe56693 100644 --- a/drivers/irqchip/irq-ls-scfg-msi.c +++ b/drivers/irqchip/irq-ls-scfg-msi.c @@ -21,6 +21,7 @@ #include <linux/of_pci.h> #include <linux/of_platform.h> #include <linux/spinlock.h> +#include <linux/dma-iommu.h> #define MSI_IRQS_PER_MSIR 32 #define MSI_MSIR_OFFSET 4 @@ -94,6 +95,8 @@ static void ls_scfg_msi_compose_msg(struct irq_data *data, struct msi_msg *msg) if (msi_affinity_flag) msg->data |= cpumask_first(data->common->affinity); + + iommu_dma_map_msi_msg(data->irq, msg); } static int ls_scfg_msi_set_affinity(struct irq_data *irq_data,
| |