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authorThomas Gleixner <tglx@linutronix.de>2017-03-09 12:06:41 +0100
committerThomas Gleixner <tglx@linutronix.de>2017-03-09 12:06:41 +0100
commit920c634aff6cb66e7f352668521eb1313897e93c (patch)
tree0f2e2eb15756fdd93c8ea47f9080fc3c1abeeae6 /drivers/iommu/intel-iommu.c
parentb28ace12661fbcfd90959c1e84ff5a85113a82a1 (diff)
parent4b9de5da7e120c7f02395da729f0ec77ce7a6044 (diff)
Merge tag 'irq-fixes-4.11-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms into irq/urgent
Pull irqchip/irqdomain updates for 4.11-rc2 from Marc Zyngier - irqchip/crossbar: Some type tidying up - irqchip/gicv3-its: Workaround for a Qualcomm erratum - irqdomain: Compile for for systems that don't use CONFIG_IRQ_DOMAIN Fixed up minor conflict in the crossbar driver.
Diffstat (limited to 'drivers/iommu/intel-iommu.c')
-rw-r--r--drivers/iommu/intel-iommu.c17
1 files changed, 11 insertions, 6 deletions
diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
index a8f7ae0eb7a4..238ad3447712 100644
--- a/drivers/iommu/intel-iommu.c
+++ b/drivers/iommu/intel-iommu.c
@@ -4730,11 +4730,16 @@ static int intel_iommu_cpu_dead(unsigned int cpu)
return 0;
}
+static inline struct intel_iommu *dev_to_intel_iommu(struct device *dev)
+{
+ return container_of(dev, struct intel_iommu, iommu.dev);
+}
+
static ssize_t intel_iommu_show_version(struct device *dev,
struct device_attribute *attr,
char *buf)
{
- struct intel_iommu *iommu = dev_get_drvdata(dev);
+ struct intel_iommu *iommu = dev_to_intel_iommu(dev);
u32 ver = readl(iommu->reg + DMAR_VER_REG);
return sprintf(buf, "%d:%d\n",
DMAR_VER_MAJOR(ver), DMAR_VER_MINOR(ver));
@@ -4745,7 +4750,7 @@ static ssize_t intel_iommu_show_address(struct device *dev,
struct device_attribute *attr,
char *buf)
{
- struct intel_iommu *iommu = dev_get_drvdata(dev);
+ struct intel_iommu *iommu = dev_to_intel_iommu(dev);
return sprintf(buf, "%llx\n", iommu->reg_phys);
}
static DEVICE_ATTR(address, S_IRUGO, intel_iommu_show_address, NULL);
@@ -4754,7 +4759,7 @@ static ssize_t intel_iommu_show_cap(struct device *dev,
struct device_attribute *attr,
char *buf)
{
- struct intel_iommu *iommu = dev_get_drvdata(dev);
+ struct intel_iommu *iommu = dev_to_intel_iommu(dev);
return sprintf(buf, "%llx\n", iommu->cap);
}
static DEVICE_ATTR(cap, S_IRUGO, intel_iommu_show_cap, NULL);
@@ -4763,7 +4768,7 @@ static ssize_t intel_iommu_show_ecap(struct device *dev,
struct device_attribute *attr,
char *buf)
{
- struct intel_iommu *iommu = dev_get_drvdata(dev);
+ struct intel_iommu *iommu = dev_to_intel_iommu(dev);
return sprintf(buf, "%llx\n", iommu->ecap);
}
static DEVICE_ATTR(ecap, S_IRUGO, intel_iommu_show_ecap, NULL);
@@ -4772,7 +4777,7 @@ static ssize_t intel_iommu_show_ndoms(struct device *dev,
struct device_attribute *attr,
char *buf)
{
- struct intel_iommu *iommu = dev_get_drvdata(dev);
+ struct intel_iommu *iommu = dev_to_intel_iommu(dev);
return sprintf(buf, "%ld\n", cap_ndoms(iommu->cap));
}
static DEVICE_ATTR(domains_supported, S_IRUGO, intel_iommu_show_ndoms, NULL);
@@ -4781,7 +4786,7 @@ static ssize_t intel_iommu_show_ndoms_used(struct device *dev,
struct device_attribute *attr,
char *buf)
{
- struct intel_iommu *iommu = dev_get_drvdata(dev);
+ struct intel_iommu *iommu = dev_to_intel_iommu(dev);
return sprintf(buf, "%d\n", bitmap_weight(iommu->domain_ids,
cap_ndoms(iommu->cap)));
}