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| author | Laurentiu Tudor <laurentiu.tudor@nxp.com> | 2018-06-05 14:27:27 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2018-06-06 12:05:19 +0200 |
| commit | 0cdd431c337e99177e68597f3de34bedd3a20a74 (patch) | |
| tree | 9b83946c1810d08cf3cb43c530f017bcb060db6e /drivers/irqchip/irq-ls-scfg-msi.c | |
| parent | irqchip/stm32: Fix non-SMP build warning (diff) | |
| download | linux-0cdd431c337e99177e68597f3de34bedd3a20a74.tar.xz linux-0cdd431c337e99177e68597f3de34bedd3a20a74.zip | |
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
Diffstat (limited to 'drivers/irqchip/irq-ls-scfg-msi.c')
| -rw-r--r-- | drivers/irqchip/irq-ls-scfg-msi.c | 3 |
1 files changed, 3 insertions, 0 deletions
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, |