diff options
Diffstat (limited to 'drivers/hwtracing/intel_th/core.c')
| -rw-r--r-- | drivers/hwtracing/intel_th/core.c | 27 |
1 files changed, 7 insertions, 20 deletions
diff --git a/drivers/hwtracing/intel_th/core.c b/drivers/hwtracing/intel_th/core.c index 7c1acc2f801c..c577b94ee606 100644 --- a/drivers/hwtracing/intel_th/core.c +++ b/drivers/hwtracing/intel_th/core.c @@ -491,7 +491,7 @@ static const struct intel_th_subdevice { .flags = IORESOURCE_MEM, }, { - .start = 1, /* use resource[1] */ + .start = TH_MMIO_SW, .end = 0, .flags = IORESOURCE_MEM, }, @@ -584,7 +584,6 @@ 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, @@ -594,18 +593,12 @@ 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 = 0; /* cut subdevices' MMIO from resource[0] */ + int bar = TH_MMIO_CONFIG; /* * Take .end == 0 to mean 'take the whole bar', @@ -614,8 +607,6 @@ 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; } @@ -812,8 +803,7 @@ static const struct file_operations intel_th_output_fops = { /** * intel_th_alloc() - allocate a new Intel TH device and its subdevices * @dev: parent device - * @devres: parent's resources - * @ndevres: number of resources + * @devres: resources indexed by th_mmio_idx * @irq: irq number */ struct intel_th * @@ -823,12 +813,8 @@ intel_th_alloc(struct device *dev, struct intel_th_drvdata *drvdata, struct intel_th *th; int err, r; - if (irq == -1) - for (r = 0; r < ndevres; r++) - if (devres[r].flags & IORESOURCE_IRQ) { - irq = devres[r].start; - break; - } + if (ndevres < TH_MMIO_END) + return ERR_PTR(-EINVAL); th = kzalloc(sizeof(*th), GFP_KERNEL); if (!th) @@ -849,7 +835,8 @@ intel_th_alloc(struct device *dev, struct intel_th_drvdata *drvdata, th->dev = dev; th->drvdata = drvdata; - th->resource = devres; + for (r = 0; r < ndevres; r++) + th->resource[r] = devres[r]; th->num_resources = ndevres; th->irq = irq; |