drm/amd/powerplay: fix a signedness bugs

[karo-tx-linux.git] / drivers / nvdimm / region.c

diff --git a/drivers/nvdimm/region.c b/drivers/nvdimm/region.c
index 8f241772ec0b24d0a2d297a7549ceac9e072872a..869a886c292ebf94f963abb9f747b0c2802fb471 100644 (file)
--- a/drivers/nvdimm/region.c
+++ b/drivers/nvdimm/region.c
@@ -14,6 +14,7 @@
 #include <linux/module.h>
 #include <linux/device.h>
 #include <linux/nd.h>
+#include "nd-core.h"
 #include "nd.h"
 
 static int nd_region_probe(struct device *dev)
@@ -52,6 +53,17 @@ static int nd_region_probe(struct device *dev)
        if (rc && err && rc == err)
                return -ENODEV;
 
+       if (is_nd_pmem(&nd_region->dev)) {
+               struct resource ndr_res;
+
+               if (devm_init_badblocks(dev, &nd_region->bb))
+                       return -ENODEV;
+               ndr_res.start = nd_region->ndr_start;
+               ndr_res.end = nd_region->ndr_start + nd_region->ndr_size - 1;
+               nvdimm_badblocks_populate(nd_region,
+                               &nd_region->bb, &ndr_res);
+       }
+
        nd_region->btt_seed = nd_btt_create(nd_region);
        nd_region->pfn_seed = nd_pfn_create(nd_region);
        nd_region->dax_seed = nd_dax_create(nd_region);
@@ -104,6 +116,18 @@ static int child_notify(struct device *dev, void *data)
 
 static void nd_region_notify(struct device *dev, enum nvdimm_event event)
 {
+       if (event == NVDIMM_REVALIDATE_POISON) {
+               struct nd_region *nd_region = to_nd_region(dev);
+               struct resource res;
+
+               if (is_nd_pmem(&nd_region->dev)) {
+                       res.start = nd_region->ndr_start;
+                       res.end = nd_region->ndr_start +
+                               nd_region->ndr_size - 1;
+                       nvdimm_badblocks_populate(nd_region,
+                                       &nd_region->bb, &res);
+               }
+       }
        device_for_each_child(dev, &event, child_notify);
 }