Commit 0cdd431c authored Jun 05, 2018 by Laurentiu Tudor Committed by Thomas Gleixner Jun 06, 2018

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

parent a84277bf

drivers/irqchip/irq-ls-scfg-msi.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -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,

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