diff options
Diffstat (limited to 'drivers/nvdimm/region.c')
| -rw-r--r-- | drivers/nvdimm/region.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/nvdimm/region.c b/drivers/nvdimm/region.c index 8f241772ec0b..869a886c292e 100644 --- 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); } |