aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/iommu
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/iommu')
-rw-r--r--drivers/iommu/Kconfig2
-rw-r--r--drivers/iommu/amd_iommu.c22
-rw-r--r--drivers/iommu/amd_iommu_init.c2
-rw-r--r--drivers/iommu/dmar.c1
-rw-r--r--drivers/iommu/irq_remapping.c1
5 files changed, 13 insertions, 15 deletions
diff --git a/drivers/iommu/Kconfig b/drivers/iommu/Kconfig
index 5c514d0711d1..c332fb98480d 100644
--- a/drivers/iommu/Kconfig
+++ b/drivers/iommu/Kconfig
@@ -130,7 +130,7 @@ config IRQ_REMAP
130# OMAP IOMMU support 130# OMAP IOMMU support
131config OMAP_IOMMU 131config OMAP_IOMMU
132 bool "OMAP IOMMU Support" 132 bool "OMAP IOMMU Support"
133 depends on ARCH_OMAP 133 depends on ARCH_OMAP2PLUS
134 select IOMMU_API 134 select IOMMU_API
135 135
136config OMAP_IOVMM 136config OMAP_IOVMM
diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
index 98f555dafb55..b287ca33833d 100644
--- a/drivers/iommu/amd_iommu.c
+++ b/drivers/iommu/amd_iommu.c
@@ -2466,18 +2466,16 @@ static int device_change_notifier(struct notifier_block *nb,
2466 2466
2467 /* allocate a protection domain if a device is added */ 2467 /* allocate a protection domain if a device is added */
2468 dma_domain = find_protection_domain(devid); 2468 dma_domain = find_protection_domain(devid);
2469 if (dma_domain) 2469 if (!dma_domain) {
2470 goto out; 2470 dma_domain = dma_ops_domain_alloc();
2471 dma_domain = dma_ops_domain_alloc(); 2471 if (!dma_domain)
2472 if (!dma_domain) 2472 goto out;
2473 goto out; 2473 dma_domain->target_dev = devid;
2474 dma_domain->target_dev = devid; 2474
2475 2475 spin_lock_irqsave(&iommu_pd_list_lock, flags);
2476 spin_lock_irqsave(&iommu_pd_list_lock, flags); 2476 list_add_tail(&dma_domain->list, &iommu_pd_list);
2477 list_add_tail(&dma_domain->list, &iommu_pd_list); 2477 spin_unlock_irqrestore(&iommu_pd_list_lock, flags);
2478 spin_unlock_irqrestore(&iommu_pd_list_lock, flags); 2478 }
2479
2480 dev_data = get_dev_data(dev);
2481 2479
2482 dev->archdata.dma_ops = &amd_iommu_dma_ops; 2480 dev->archdata.dma_ops = &amd_iommu_dma_ops;
2483 2481
diff --git a/drivers/iommu/amd_iommu_init.c b/drivers/iommu/amd_iommu_init.c
index b6ecddb63cd0..e3c2d74b7684 100644
--- a/drivers/iommu/amd_iommu_init.c
+++ b/drivers/iommu/amd_iommu_init.c
@@ -980,7 +980,7 @@ static void __init free_iommu_all(void)
980 * BIOS should disable L2B micellaneous clock gating by setting 980 * BIOS should disable L2B micellaneous clock gating by setting
981 * L2_L2B_CK_GATE_CONTROL[CKGateL2BMiscDisable](D0F2xF4_x90[2]) = 1b 981 * L2_L2B_CK_GATE_CONTROL[CKGateL2BMiscDisable](D0F2xF4_x90[2]) = 1b
982 */ 982 */
983static void __init amd_iommu_erratum_746_workaround(struct amd_iommu *iommu) 983static void amd_iommu_erratum_746_workaround(struct amd_iommu *iommu)
984{ 984{
985 u32 value; 985 u32 value;
986 986
diff --git a/drivers/iommu/dmar.c b/drivers/iommu/dmar.c
index dc7e478b7e5f..e5cdaf87822c 100644
--- a/drivers/iommu/dmar.c
+++ b/drivers/iommu/dmar.c
@@ -1083,6 +1083,7 @@ static const char *dma_remap_fault_reasons[] =
1083 "non-zero reserved fields in RTP", 1083 "non-zero reserved fields in RTP",
1084 "non-zero reserved fields in CTP", 1084 "non-zero reserved fields in CTP",
1085 "non-zero reserved fields in PTE", 1085 "non-zero reserved fields in PTE",
1086 "PCE for translation request specifies blocking",
1086}; 1087};
1087 1088
1088static const char *irq_remap_fault_reasons[] = 1089static const char *irq_remap_fault_reasons[] =
diff --git a/drivers/iommu/irq_remapping.c b/drivers/iommu/irq_remapping.c
index d56f8c17c5fe..7c11ff368d07 100644
--- a/drivers/iommu/irq_remapping.c
+++ b/drivers/iommu/irq_remapping.c
@@ -2,7 +2,6 @@
2#include <linux/cpumask.h> 2#include <linux/cpumask.h>
3#include <linux/kernel.h> 3#include <linux/kernel.h>
4#include <linux/string.h> 4#include <linux/string.h>
5#include <linux/cpumask.h>
6#include <linux/errno.h> 5#include <linux/errno.h>
7#include <linux/msi.h> 6#include <linux/msi.h>
8#include <linux/irq.h> 7#include <linux/irq.h>