Merge remote-tracking branches 'spi/topic/pxa2xx', 'spi/topic/rockchip', 'spi/topic...
[cascardo/linux.git] / drivers / acpi / nfit.c
index 32579a7..1f0e060 100644 (file)
@@ -928,7 +928,7 @@ static ssize_t format_show(struct device *dev,
 {
        struct acpi_nfit_control_region *dcr = to_nfit_dcr(dev);
 
-       return sprintf(buf, "0x%04x\n", be16_to_cpu(dcr->code));
+       return sprintf(buf, "0x%04x\n", le16_to_cpu(dcr->code));
 }
 static DEVICE_ATTR_RO(format);
 
@@ -961,8 +961,8 @@ static ssize_t format1_show(struct device *dev,
                                continue;
                        if (nfit_dcr->dcr->code == dcr->code)
                                continue;
-                       rc = sprintf(buf, "%#x\n",
-                                       be16_to_cpu(nfit_dcr->dcr->code));
+                       rc = sprintf(buf, "0x%04x\n",
+                                       le16_to_cpu(nfit_dcr->dcr->code));
                        break;
                }
                if (rc != ENXIO)
@@ -1131,11 +1131,11 @@ static int acpi_nfit_add_dimm(struct acpi_nfit_desc *acpi_desc,
 
        /*
         * Until standardization materializes we need to consider up to 3
-        * different command sets.  Note, that checking for zero functions
-        * tells us if any commands might be reachable through this uuid.
+        * different command sets.  Note, that checking for function0 (bit0)
+        * tells us if any commands are reachable through this uuid.
         */
        for (i = NVDIMM_FAMILY_INTEL; i <= NVDIMM_FAMILY_HPE2; i++)
-               if (acpi_check_dsm(adev_dimm->handle, to_nfit_uuid(i), 1, 0))
+               if (acpi_check_dsm(adev_dimm->handle, to_nfit_uuid(i), 1, 1))
                        break;
 
        /* limit the supported commands to those that are publicly documented */
@@ -1151,9 +1151,10 @@ static int acpi_nfit_add_dimm(struct acpi_nfit_desc *acpi_desc,
                if (disable_vendor_specific)
                        dsm_mask &= ~(1 << 8);
        } else {
-               dev_err(dev, "unknown dimm command family\n");
+               dev_dbg(dev, "unknown dimm command family\n");
                nfit_mem->family = -1;
-               return force_enable_dimms ? 0 : -ENODEV;
+               /* DSMs are optional, continue loading the driver... */
+               return 0;
        }
 
        uuid = to_nfit_uuid(nfit_mem->family);