target/linux/generic/backport-4.14/900-v4.18-firmware-dmi-Add-access-to-the-SKU-ID-string.patch

   1 From b23908d3c48a37c46c6a26df2cdeab1610b360ba Mon Sep 17 00:00:00 2001
   2 From: Simon Glass <sjg@chromium.org>
   3 Date: Sun, 17 Jun 2018 14:09:42 +0200
   4 Subject: [PATCH] firmware: dmi: Add access to the SKU ID string
   5
   6 This is used in some systems from user space for determining the identity
   7 of the device.
   8
   9 Expose this as a file so that that user-space tools don't need to read
  10 from /sys/firmware/dmi/tables/DMI
  11
  12 Signed-off-by: Simon Glass <sjg@chromium.org>
  13 Signed-off-by: Jean Delvare <jdelvare@suse.de>
  14 ---
  15  drivers/firmware/dmi-id.c       | 2 ++
  16  drivers/firmware/dmi_scan.c     | 1 +
  17  include/linux/mod_devicetable.h | 1 +
  18  3 files changed, 4 insertions(+)
  19
  20 --- a/drivers/firmware/dmi-id.c
  21 +++ b/drivers/firmware/dmi-id.c
  22 @@ -47,6 +47,7 @@ DEFINE_DMI_ATTR_WITH_SHOW(product_name,
  23  DEFINE_DMI_ATTR_WITH_SHOW(product_version,     0444, DMI_PRODUCT_VERSION);
  24  DEFINE_DMI_ATTR_WITH_SHOW(product_serial,      0400, DMI_PRODUCT_SERIAL);
  25  DEFINE_DMI_ATTR_WITH_SHOW(product_uuid,                0400, DMI_PRODUCT_UUID);
  26 +DEFINE_DMI_ATTR_WITH_SHOW(product_sku,         0444, DMI_PRODUCT_SKU);
  27  DEFINE_DMI_ATTR_WITH_SHOW(product_family,      0444, DMI_PRODUCT_FAMILY);
  28  DEFINE_DMI_ATTR_WITH_SHOW(board_vendor,                0444, DMI_BOARD_VENDOR);
  29  DEFINE_DMI_ATTR_WITH_SHOW(board_name,          0444, DMI_BOARD_NAME);
  30 @@ -193,6 +194,7 @@ static void __init dmi_id_init_attr_tabl
  31         ADD_DMI_ATTR(product_serial,    DMI_PRODUCT_SERIAL);
  32         ADD_DMI_ATTR(product_uuid,      DMI_PRODUCT_UUID);
  33         ADD_DMI_ATTR(product_family,    DMI_PRODUCT_FAMILY);
  34 +       ADD_DMI_ATTR(product_sku,       DMI_PRODUCT_SKU);
  35         ADD_DMI_ATTR(board_vendor,      DMI_BOARD_VENDOR);
  36         ADD_DMI_ATTR(board_name,        DMI_BOARD_NAME);
  37         ADD_DMI_ATTR(board_version,     DMI_BOARD_VERSION);
  38 --- a/drivers/firmware/dmi_scan.c
  39 +++ b/drivers/firmware/dmi_scan.c
  40 @@ -435,6 +435,7 @@ static void __init dmi_decode(const stru
  41                 dmi_save_ident(dm, DMI_PRODUCT_VERSION, 6);
  42                 dmi_save_ident(dm, DMI_PRODUCT_SERIAL, 7);
  43                 dmi_save_uuid(dm, DMI_PRODUCT_UUID, 8);
  44 +               dmi_save_ident(dm, DMI_PRODUCT_SKU, 25);
  45                 dmi_save_ident(dm, DMI_PRODUCT_FAMILY, 26);
  46                 break;
  47         case 2:         /* Base Board Information */
  48 --- a/include/linux/mod_devicetable.h
  49 +++ b/include/linux/mod_devicetable.h
  50 @@ -471,6 +471,7 @@ enum dmi_field {
  51         DMI_PRODUCT_VERSION,
  52         DMI_PRODUCT_SERIAL,
  53         DMI_PRODUCT_UUID,
  54 +       DMI_PRODUCT_SKU,
  55         DMI_PRODUCT_FAMILY,
  56         DMI_BOARD_VENDOR,
  57         DMI_BOARD_NAME,