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authorJames Bottomley <James.Bottomley@HansenPartnership.com>2016-01-07 15:51:13 -0800
committerJames Bottomley <James.Bottomley@HansenPartnership.com>2016-01-07 15:51:13 -0800
commitabaee091a18c19ccd86feb1c8374585d82e96777 (patch)
tree01602bae73e1278c3d98dafe1c269049927c58ce /arch/x86/kernel/pmem.c
parenta2746fb16e41b7c8f02aa4d2605ecce97abbebbd (diff)
parent3f8d6f2a0797e8c650a47e5c1b5c2601a46f4293 (diff)
Merge branch 'jejb-scsi' into misc
Diffstat (limited to 'arch/x86/kernel/pmem.c')
-rw-r--r--arch/x86/kernel/pmem.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/x86/kernel/pmem.c b/arch/x86/kernel/pmem.c
index 4f00b63d7ff3..14415aff1813 100644
--- a/arch/x86/kernel/pmem.c
+++ b/arch/x86/kernel/pmem.c
@@ -4,10 +4,22 @@
*/
#include <linux/platform_device.h>
#include <linux/module.h>
+#include <linux/ioport.h>
+
+static int found(u64 start, u64 end, void *data)
+{
+ return 1;
+}
static __init int register_e820_pmem(void)
{
+ char *pmem = "Persistent Memory (legacy)";
struct platform_device *pdev;
+ int rc;
+
+ rc = walk_iomem_res(pmem, IORESOURCE_MEM, 0, -1, NULL, found);
+ if (rc <= 0)
+ return 0;
/*
* See drivers/nvdimm/e820.c for the implementation, this is