summaryrefslogtreecommitdiffstats
path: root/drivers/iommu/arm-smmu.c
diff options
context:
space:
mode:
authorNate Watterson <nwatters@codeaurora.org>2017-06-30 00:18:15 +0200
committerWill Deacon <will.deacon@arm.com>2017-08-16 18:27:28 +0200
commit7aa8619a66aea52b145e04cbab4f8d6a4e5f3f3b (patch)
tree7aee56a42c2ba42d91fb04b92c21775ec017853a /drivers/iommu/arm-smmu.c
parentLinux 4.13-rc4 (diff)
downloadlinux-7aa8619a66aea52b145e04cbab4f8d6a4e5f3f3b.tar.xz
linux-7aa8619a66aea52b145e04cbab4f8d6a4e5f3f3b.zip
iommu/arm-smmu-v3: Implement shutdown method
The shutdown method disables the SMMU to avoid corrupting a new kernel started with kexec. Signed-off-by: Nate Watterson <nwatters@codeaurora.org> Signed-off-by: Will Deacon <will.deacon@arm.com>
Diffstat (limited to 'drivers/iommu/arm-smmu.c')
-rw-r--r--drivers/iommu/arm-smmu.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/iommu/arm-smmu.c b/drivers/iommu/arm-smmu.c
index b97188acc4f1..b0b126ea9d85 100644
--- a/drivers/iommu/arm-smmu.c
+++ b/drivers/iommu/arm-smmu.c
@@ -2329,6 +2329,11 @@ static int arm_smmu_device_remove(struct platform_device *pdev)
return 0;
}
+static void arm_smmu_device_shutdown(struct platform_device *pdev)
+{
+ arm_smmu_device_remove(pdev);
+}
+
static struct platform_driver arm_smmu_driver = {
.driver = {
.name = "arm-smmu",
@@ -2336,6 +2341,7 @@ static struct platform_driver arm_smmu_driver = {
},
.probe = arm_smmu_device_probe,
.remove = arm_smmu_device_remove,
+ .shutdown = arm_smmu_device_shutdown,
};
module_platform_driver(arm_smmu_driver);