nfit: always associate flush hints

Before enabling use of flush hints for pmem regions, we need to make
sure they are always associated.  Move the initialization of nfit_flush
out of the block-window specific init path to the general init path.

Cc: Ross Zwisler <ross.zwisler@linux.intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>

diff --git a/drivers/acpi/nfit.c b/drivers/acpi/nfit.c
index 3e54157..d79837b 100644 (file)
--- a/drivers/acpi/nfit.c
+++ b/drivers/acpi/nfit.c
@@ -614,7 +614,6 @@ static void nfit_mem_init_bdw(struct acpi_nfit_desc *acpi_desc,
 {
        u16 dcr = __to_nfit_memdev(nfit_mem)->region_index;
        struct nfit_memdev *nfit_memdev;
-       struct nfit_flush *nfit_flush;
        struct nfit_bdw *nfit_bdw;
        struct nfit_idt *nfit_idt;
        u16 idt_idx, range_index;
@@ -647,14 +646,6 @@ static void nfit_mem_init_bdw(struct acpi_nfit_desc *acpi_desc,
                        nfit_mem->idt_bdw = nfit_idt->idt;
                        break;
                }
-
-               list_for_each_entry(nfit_flush, &acpi_desc->flushes, list) {
-                       if (nfit_flush->flush->device_handle !=
-                                       nfit_memdev->memdev->device_handle)
-                               continue;
-                       nfit_mem->nfit_flush = nfit_flush;
-                       break;
-               }
                break;
        }
 }
@@ -675,6 +666,7 @@ static int nfit_mem_dcr_init(struct acpi_nfit_desc *acpi_desc,
        }
 
        list_for_each_entry(nfit_memdev, &acpi_desc->memdevs, list) {
+               struct nfit_flush *nfit_flush;
                struct nfit_dcr *nfit_dcr;
                u32 device_handle;
                u16 dcr;
@@ -721,6 +713,13 @@ static int nfit_mem_dcr_init(struct acpi_nfit_desc *acpi_desc,
                        break;
                }
 
+               list_for_each_entry(nfit_flush, &acpi_desc->flushes, list) {
+                       if (nfit_flush->flush->device_handle != device_handle)
+                               continue;
+                       nfit_mem->nfit_flush = nfit_flush;
+                       break;
+               }
+
                if (dcr && !nfit_mem->dcr) {
                        dev_err(acpi_desc->dev, "SPA %d missing DCR %d\n",
                                        spa->range_index, dcr);