diff options
Diffstat (limited to 'drivers/cxl/core/port.c')
| -rw-r--r-- | drivers/cxl/core/port.c | 23 |
1 files changed, 21 insertions, 2 deletions
diff --git a/drivers/cxl/core/port.c b/drivers/cxl/core/port.c index c5e74c6f04e8..63c76cb2a2ec 100644 --- a/drivers/cxl/core/port.c +++ b/drivers/cxl/core/port.c @@ -46,8 +46,14 @@ static ssize_t start_show(struct device *dev, struct device_attribute *attr, char *buf) { struct cxl_decoder *cxld = to_cxl_decoder(dev); + u64 start; - return sysfs_emit(buf, "%#llx\n", cxld->range.start); + if (is_root_decoder(dev)) + start = cxld->platform_res.start; + else + start = cxld->decoder_range.start; + + return sysfs_emit(buf, "%#llx\n", start); } static DEVICE_ATTR_ADMIN_RO(start); @@ -55,8 +61,14 @@ static ssize_t size_show(struct device *dev, struct device_attribute *attr, char *buf) { struct cxl_decoder *cxld = to_cxl_decoder(dev); + u64 size; + + if (is_root_decoder(dev)) + size = resource_size(&cxld->platform_res); + else + size = range_len(&cxld->decoder_range); - return sysfs_emit(buf, "%#llx\n", range_len(&cxld->range)); + return sysfs_emit(buf, "%#llx\n", size); } static DEVICE_ATTR_RO(size); @@ -546,6 +558,13 @@ int cxl_decoder_add(struct cxl_decoder *cxld, int *target_map) if (rc) return rc; + /* + * Platform decoder resources should show up with a reasonable name. All + * other resources are just sub ranges within the main decoder resource. + */ + if (is_root_decoder(dev)) + cxld->platform_res.name = dev_name(dev); + return device_add(dev); } EXPORT_SYMBOL_NS_GPL(cxl_decoder_add, CXL); |