linux-kernel - [GIT pull] irq updates for 4.18

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Message-ID: <alpine.DEB.2.21.1806100720100.1606@nanos.tec.linutronix.de>
Date:   Sun, 10 Jun 2018 07:30:28 +0200 (CEST)
From:   Thomas Gleixner <tglx@...utronix.de>
To:     Linus Torvalds <torvalds@...ux-foundation.org>
cc:     LKML <linux-kernel@...r.kernel.org>, Ingo Molnar <mingo@...nel.org>
Subject: [GIT pull] irq updates for 4.18

Linus,

please pull the latest irq-urgent-for-linus git tree from:

   git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git irq-urgent-for-linus

Two small fixlets:

 - Add the missing iomu mapping call in the Fleescale/NXP/Qualcomm/whoever
   owns it now/ SCFG MSI irqchip driver. Otherwise IRQs wont work at all.

 - Fix a SMP=n build warning in the STM32 irq chip driver

Thanks,

	tglx

------------------>
Arnd Bergmann (1):
      irqchip/stm32: Fix non-SMP build warning

Laurentiu Tudor (1):
      irqchip/ls-scfg-msi: Map MSIs in the iommu


 drivers/irqchip/irq-ls-scfg-msi.c | 3 +++
 drivers/irqchip/irq-stm32-exti.c  | 4 +---
 2 files changed, 4 insertions(+), 3 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,
diff --git a/drivers/irqchip/irq-stm32-exti.c b/drivers/irqchip/irq-stm32-exti.c
index 5089c1e2838d..3a7e8905a97e 100644
--- a/drivers/irqchip/irq-stm32-exti.c
+++ b/drivers/irqchip/irq-stm32-exti.c
@@ -552,9 +552,7 @@ static struct irq_chip stm32_exti_h_chip = {
 	.irq_set_type		= stm32_exti_h_set_type,
 	.irq_set_wake		= stm32_exti_h_set_wake,
 	.flags			= IRQCHIP_MASK_ON_SUSPEND,
-#ifdef CONFIG_SMP
-	.irq_set_affinity	= stm32_exti_h_set_affinity,
-#endif
+	.irq_set_affinity	= IS_ENABLED(CONFIG_SMP) ? stm32_exti_h_set_affinity : NULL,
 };
 
 static int stm32_exti_h_domain_alloc(struct irq_domain *dm,