diff options
Diffstat (limited to 'drivers/hwtracing/intel_th')
| -rw-r--r-- | drivers/hwtracing/intel_th/core.c | 16 | ||||
| -rw-r--r-- | drivers/hwtracing/intel_th/pci.c | 5 |
2 files changed, 18 insertions, 3 deletions
diff --git a/drivers/hwtracing/intel_th/core.c b/drivers/hwtracing/intel_th/core.c index da962aa2cef5..fc6b7f8b62fb 100644 --- a/drivers/hwtracing/intel_th/core.c +++ b/drivers/hwtracing/intel_th/core.c @@ -139,7 +139,8 @@ static int intel_th_remove(struct device *dev) th->thdev[i] = NULL; } - th->num_thdevs = lowest; + if (lowest >= 0) + th->num_thdevs = lowest; } if (thdrv->attr_group) @@ -487,7 +488,7 @@ static const struct intel_th_subdevice { .flags = IORESOURCE_MEM, }, { - .start = TH_MMIO_SW, + .start = 1, /* use resource[1] */ .end = 0, .flags = IORESOURCE_MEM, }, @@ -580,6 +581,7 @@ intel_th_subdevice_alloc(struct intel_th *th, struct intel_th_device *thdev; struct resource res[3]; unsigned int req = 0; + bool is64bit = false; int r, err; thdev = intel_th_device_alloc(th, subdev->type, subdev->name, @@ -589,12 +591,18 @@ intel_th_subdevice_alloc(struct intel_th *th, thdev->drvdata = th->drvdata; + for (r = 0; r < th->num_resources; r++) + if (th->resource[r].flags & IORESOURCE_MEM_64) { + is64bit = true; + break; + } + memcpy(res, subdev->res, sizeof(struct resource) * subdev->nres); for (r = 0; r < subdev->nres; r++) { struct resource *devres = th->resource; - int bar = TH_MMIO_CONFIG; + int bar = 0; /* cut subdevices' MMIO from resource[0] */ /* * Take .end == 0 to mean 'take the whole bar', @@ -603,6 +611,8 @@ intel_th_subdevice_alloc(struct intel_th *th, */ if (!res[r].end && res[r].flags == IORESOURCE_MEM) { bar = res[r].start; + if (is64bit) + bar *= 2; res[r].start = 0; res[r].end = resource_size(&devres[bar]) - 1; } diff --git a/drivers/hwtracing/intel_th/pci.c b/drivers/hwtracing/intel_th/pci.c index c2e55e5d97f6..1cf6290d6435 100644 --- a/drivers/hwtracing/intel_th/pci.c +++ b/drivers/hwtracing/intel_th/pci.c @@ -160,6 +160,11 @@ static const struct pci_device_id intel_th_pci_id_table[] = { PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x18e1), .driver_data = (kernel_ulong_t)&intel_th_2x, }, + { + /* Ice Lake PCH */ + PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x34a6), + .driver_data = (kernel_ulong_t)&intel_th_2x, + }, { 0 }, }; |