[mellanox]: Add SN4700 patches. (#126)

Signed-off-by: Nazarii Hnydyn <nazariig@mellanox.com>

Author: nazariig

patch/0053-firmware-dmi-Add-access-to-the-SKU-ID-string-backpor.patch

@@ -0,0 +1,88 @@
+From acc9225e1db4bfc710c83c25f34b2b226060c350 Mon Sep 17 00:00:00 2001
+From: Vadim Pasternak <vadimp@mellanox.com>
+Date: Thu, 23 Jan 2020 14:58:38 +0200
+Subject: [PATCH backport] firmware: dmi: Add access to the SKU ID string
+ backport
+
+Backport of two below upstream commits.
+
+commit b23908d3c48a37c46c6a26df2cdeab1610b360ba
+Author: Simon Glass <sjg@chromium.org>
+Date:   Sun Jun 17 14:09:42 2018 +0200
+
+    firmware: dmi: Add access to the SKU ID string
+
+    This is used in some systems from user space for determining the
+identity
+    of the device.
+
+    Expose this as a file so that that user-space tools don't need to
+read
+    from /sys/firmware/dmi/tables/DMI
+
+    Signed-off-by: Simon Glass <sjg@chromium.org>
+    Signed-off-by: Jean Delvare <jdelvare@suse.de>
+
+commit b23908d3c48a37c46c6a26df2cdeab1610b360ba
+Author: Simon Glass <sjg@chromium.org>
+Date:   Sun Jun 17 14:09:42 2018 +0200
+
+firmware: dmi: Add access to the SKU ID string
+
+    This is used in some systems from user space for determining the
+identity
+    of the device.
+
+    Expose this as a file so that that user-space tools don't need to
+read
+    from /sys/firmware/dmi/tables/DMI
+
+    Signed-off-by: Simon Glass <sjg@chromium.org>
+    Signed-off-by: Jean Delvare <jdelvare@suse.de>
+
+Signed-off-by: Vadim Pasternak <vadimp@mellanox.com>
+---
+ drivers/firmware/dmi-id.c       | 1 +
+ drivers/firmware/dmi_scan.c     | 1 +
+ include/linux/mod_devicetable.h | 1 +
+ 3 files changed, 3 insertions(+)
+
+diff --git a/drivers/firmware/dmi-id.c b/drivers/firmware/dmi-id.c
+index dc269cb288c2..5c864ebe1127 100644
+--- a/drivers/firmware/dmi-id.c
++++ b/drivers/firmware/dmi-id.c
+@@ -47,6 +47,7 @@ DEFINE_DMI_ATTR_WITH_SHOW(product_name,		0444, DMI_PRODUCT_NAME);
+ DEFINE_DMI_ATTR_WITH_SHOW(product_version,	0444, DMI_PRODUCT_VERSION);
+ DEFINE_DMI_ATTR_WITH_SHOW(product_serial,	0400, DMI_PRODUCT_SERIAL);
+ DEFINE_DMI_ATTR_WITH_SHOW(product_uuid,		0400, DMI_PRODUCT_UUID);
++DEFINE_DMI_ATTR_WITH_SHOW(product_sku,		0444, DMI_PRODUCT_SKU);
+ DEFINE_DMI_ATTR_WITH_SHOW(product_family,	0400, DMI_PRODUCT_FAMILY);
+ DEFINE_DMI_ATTR_WITH_SHOW(board_vendor,		0444, DMI_BOARD_VENDOR);
+ DEFINE_DMI_ATTR_WITH_SHOW(board_name,		0444, DMI_BOARD_NAME);
+diff --git a/drivers/firmware/dmi_scan.c b/drivers/firmware/dmi_scan.c
+index 150b923ef86d..d2a85a2e5b08 100644
+--- a/drivers/firmware/dmi_scan.c
++++ b/drivers/firmware/dmi_scan.c
+@@ -426,6 +426,7 @@ static void __init dmi_decode(const struct dmi_header *dm, void *dummy)
+ 		dmi_save_ident(dm, DMI_PRODUCT_VERSION, 6);
+ 		dmi_save_ident(dm, DMI_PRODUCT_SERIAL, 7);
+ 		dmi_save_uuid(dm, DMI_PRODUCT_UUID, 8);
++		dmi_save_ident(dm, DMI_PRODUCT_SKU, 25);
+ 		dmi_save_ident(dm, DMI_PRODUCT_FAMILY, 26);
+ 		break;
+ 	case 2:		/* Base Board Information */
+diff --git a/include/linux/mod_devicetable.h b/include/linux/mod_devicetable.h
+index 616b31a1495d..103c14049a76 100644
+--- a/include/linux/mod_devicetable.h
++++ b/include/linux/mod_devicetable.h
+@@ -456,6 +456,7 @@ enum dmi_field {
+ 	DMI_PRODUCT_VERSION,
+ 	DMI_PRODUCT_SERIAL,
+ 	DMI_PRODUCT_UUID,
++	DMI_PRODUCT_SKU,
+ 	DMI_PRODUCT_FAMILY,
+ 	DMI_BOARD_VENDOR,
+ 	DMI_BOARD_NAME,
+-- 
+2.20.1
+