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path: root/drivers/hwtracing/intel_th/pci.c
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Diffstat (limited to 'drivers/hwtracing/intel_th/pci.c')
-rw-r--r--drivers/hwtracing/intel_th/pci.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/hwtracing/intel_th/pci.c b/drivers/hwtracing/intel_th/pci.c
index 9dd2d75bd539..fd8267bbaf2c 100644
--- a/drivers/hwtracing/intel_th/pci.c
+++ b/drivers/hwtracing/intel_th/pci.c
@@ -20,6 +20,7 @@
enum {
TH_PCI_CONFIG_BAR = 0,
TH_PCI_STH_SW_BAR = 2,
+ TH_PCI_RTIT_BAR = 4,
};
#define BAR_MASK (BIT(TH_PCI_CONFIG_BAR) | BIT(TH_PCI_STH_SW_BAR))
@@ -75,8 +76,8 @@ static int intel_th_pci_probe(struct pci_dev *pdev,
[TH_MMIO_CONFIG] = pdev->resource[TH_PCI_CONFIG_BAR],
[TH_MMIO_SW] = pdev->resource[TH_PCI_STH_SW_BAR],
};
+ int err, r = TH_MMIO_SW + 1;
struct intel_th *th;
- int err;
err = pcim_enable_device(pdev);
if (err)
@@ -86,8 +87,12 @@ static int intel_th_pci_probe(struct pci_dev *pdev,
if (err)
return err;
- th = intel_th_alloc(&pdev->dev, drvdata, resource, TH_MMIO_END,
- pdev->irq);
+ if (pdev->resource[TH_PCI_RTIT_BAR].start) {
+ resource[TH_MMIO_RTIT] = pdev->resource[TH_PCI_RTIT_BAR];
+ r++;
+ }
+
+ th = intel_th_alloc(&pdev->dev, drvdata, resource, r, pdev->irq);
if (IS_ERR(th))
return PTR_ERR(th);
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