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kernel: backport "ofpart" mtd parser upstream quirks support

This adds quirks support to the "ofpart" parser. It's required to
support fixed partitions that require some extra logic.

Right now only BCM4908 binding is supported (BCM4908 requires detecting
currently used "firmware" partition).

Signed-off-by: Rafał Miłecki <[email protected]>
Rafał Miłecki 4 years ago
parent
commit
ac7d45b5e7

+ 5 - 3
target/linux/bcm4908/patches-5.4/140-0001-dt-bindings-mtd-move-partition-binding-to-its-own-fi.patch → target/linux/generic/backport-5.4/402-v5.12-0001-dt-bindings-mtd-move-partition-binding-to-its-own-fi.patch

@@ -1,7 +1,7 @@
-From 4fdbaa5a3dbe761b231c13feaa53242aae3306cc Mon Sep 17 00:00:00 2001
+From 6418522022c706fd867b00b2571edba48b8fa8c7 Mon Sep 17 00:00:00 2001
 From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <[email protected]>
-Date: Fri, 15 Jan 2021 15:23:02 +0100
-Subject: [PATCH 1/3] dt-bindings: mtd: move partition binding to its own file
+Date: Thu, 11 Feb 2021 23:04:25 +0100
+Subject: [PATCH] dt-bindings: mtd: move partition binding to its own file
 MIME-Version: 1.0
 Content-Type: text/plain; charset=UTF-8
 Content-Transfer-Encoding: 8bit
@@ -13,6 +13,8 @@ Single partition binding is quite common and may be:
 Move it to separated file to avoid code duplication.
 
 Signed-off-by: Rafał Miłecki <[email protected]>
+Reviewed-by: Rob Herring <[email protected]>
+Signed-off-by: Richard Weinberger <[email protected]>
 ---
  .../mtd/partitions/fixed-partitions.yaml      | 33 +------------
  .../bindings/mtd/partitions/partition.yaml    | 47 +++++++++++++++++++

+ 19 - 16
target/linux/bcm4908/patches-5.4/140-0002-dt-bindings-mtd-add-binding-from-BCM4908-partitions.patch → target/linux/generic/backport-5.4/402-v5.12-0002-dt-bindings-mtd-add-binding-for-BCM4908-partitions.patch

@@ -1,24 +1,25 @@
-From 4f740351484e88bcea3776578288b6ec400829c8 Mon Sep 17 00:00:00 2001
+From 6e9dff6fe3fbc452f16566e4a7e293b0decefdba Mon Sep 17 00:00:00 2001
 From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <[email protected]>
-Date: Fri, 15 Jan 2021 16:01:04 +0100
-Subject: [PATCH 2/3] dt-bindings: mtd: add binding from BCM4908 partitions
+Date: Thu, 11 Feb 2021 23:04:26 +0100
+Subject: [PATCH] dt-bindings: mtd: add binding for BCM4908 partitions
 MIME-Version: 1.0
 Content-Type: text/plain; charset=UTF-8
 Content-Transfer-Encoding: 8bit
 
 BCM4908 uses fixed partitions layout but function of some partitions may
-vary. Some devices use multiple firmware partitions and those should be
-marked to let system discover their purpose.
+vary. Some devices use multiple firmware partitions and those partitions
+should be marked to let system discover their purpose.
 
 Signed-off-by: Rafał Miłecki <[email protected]>
+Signed-off-by: Richard Weinberger <[email protected]>
 ---
- .../partitions/brcm,bcm4908-partitions.yaml   | 68 +++++++++++++++++++
- 1 file changed, 68 insertions(+)
+ .../partitions/brcm,bcm4908-partitions.yaml   | 70 +++++++++++++++++++
+ 1 file changed, 70 insertions(+)
  create mode 100644 Documentation/devicetree/bindings/mtd/partitions/brcm,bcm4908-partitions.yaml
 
 --- /dev/null
 +++ b/Documentation/devicetree/bindings/mtd/partitions/brcm,bcm4908-partitions.yaml
-@@ -0,0 +1,68 @@
+@@ -0,0 +1,70 @@
 +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
 +%YAML 1.2
 +---
@@ -42,17 +43,19 @@ Signed-off-by: Rafał Miłecki <[email protected]>
 +  compatible:
 +    const: brcm,bcm4908-partitions
 +
-+  "#address-cells": true
++  "#address-cells":
++    enum: [ 1, 2 ]
 +
-+  "#size-cells": true
++  "#size-cells":
++    enum: [ 1, 2 ]
 +
 +patternProperties:
-+  "@[0-9a-f]+$":
-+    allOf:
-+      - $ref: "partition.yaml#"
-+      - properties:
-+          compatible:
-+            const: brcm,bcm4908-firmware
++  "^partition@[0-9a-f]+$":
++    $ref: "partition.yaml#"
++    properties:
++      compatible:
++        const: brcm,bcm4908-firmware
++    unevaluatedProperties: false
 +
 +required:
 +  - "#address-cells"

+ 11 - 8
target/linux/bcm4908/patches-5.4/140-0003-mtd-parsers-ofpart-support-BCM4908-fixed-partitions.patch → target/linux/generic/backport-5.4/402-v5.12-0003-mtd-parsers-ofpart-support-BCM4908-fixed-partitions.patch

@@ -1,7 +1,7 @@
-From db18357719613cc40234300b10e28e4dfa075375 Mon Sep 17 00:00:00 2001
+From 09cf6ee6d21cd9ef2eb857ccb24305cf51166792 Mon Sep 17 00:00:00 2001
 From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <[email protected]>
-Date: Fri, 15 Jan 2021 16:23:01 +0100
-Subject: [PATCH 3/3] mtd: parsers: ofpart: support BCM4908 fixed partitions
+Date: Thu, 11 Feb 2021 23:04:27 +0100
+Subject: [PATCH] mtd: parsers: ofpart: support BCM4908 fixed partitions
 MIME-Version: 1.0
 Content-Type: text/plain; charset=UTF-8
 Content-Transfer-Encoding: 8bit
@@ -18,20 +18,21 @@ partition from the DT. Bootloader specifies it using the "brcm_blparms"
 property.
 
 Signed-off-by: Rafał Miłecki <[email protected]>
+Signed-off-by: Richard Weinberger <[email protected]>
 ---
  drivers/mtd/parsers/Makefile             |  1 +
- drivers/mtd/parsers/bcm4908-partitions.c | 62 ++++++++++++++++++++++++
+ drivers/mtd/parsers/bcm4908-partitions.c | 64 ++++++++++++++++++++++++
  drivers/mtd/parsers/bcm4908-partitions.h |  7 +++
  drivers/mtd/parsers/ofpart.c             | 28 ++++++++++-
- 4 files changed, 96 insertions(+), 2 deletions(-)
+ 4 files changed, 98 insertions(+), 2 deletions(-)
  create mode 100644 drivers/mtd/parsers/bcm4908-partitions.c
  create mode 100644 drivers/mtd/parsers/bcm4908-partitions.h
 
 --- a/drivers/mtd/parsers/Makefile
 +++ b/drivers/mtd/parsers/Makefile
-@@ -5,6 +5,7 @@ obj-$(CONFIG_MTD_BCM63XX_PARTS)		+= bcm6
+@@ -4,6 +4,7 @@ obj-$(CONFIG_MTD_BCM47XX_PARTS)		+= bcm4
+ obj-$(CONFIG_MTD_BCM63XX_PARTS)		+= bcm63xxpart.o
  obj-$(CONFIG_MTD_CMDLINE_PARTS)		+= cmdlinepart.o
- obj-$(CONFIG_MTD_MYLOADER_PARTS)		+= myloader.o
  obj-$(CONFIG_MTD_OF_PARTS)		+= ofpart.o
 +obj-$(CONFIG_MTD_OF_PARTS)		+= bcm4908-partitions.o
  obj-$(CONFIG_MTD_PARSER_IMAGETAG)	+= parser_imagetag.o
@@ -39,7 +40,7 @@ Signed-off-by: Rafał Miłecki <[email protected]>
  obj-$(CONFIG_MTD_PARSER_TRX)		+= parser_trx.o
 --- /dev/null
 +++ b/drivers/mtd/parsers/bcm4908-partitions.c
-@@ -0,0 +1,62 @@
+@@ -0,0 +1,64 @@
 +// SPDX-License-Identifier: GPL-2.0
 +/*
 + * Copyright (C) 2021 Rafał Miłecki <[email protected]>
@@ -52,6 +53,8 @@ Signed-off-by: Rafał Miłecki <[email protected]>
 +#include <linux/slab.h>
 +#include <linux/mtd/partitions.h>
 +
++#include "bcm4908-partitions.h"
++
 +#define BLPARAMS_FW_OFFSET		"NAND_RFS_OFS"
 +
 +static long long bcm4908_partitions_fw_offset(void)

+ 40 - 0
target/linux/generic/backport-5.4/402-v5.12-0004-mtd-parsers-ofpart-fix-building-as-module.patch

@@ -0,0 +1,40 @@
+From bc6dcf44da2bea215ae3edbdac5d350e96de3996 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <[email protected]>
+Date: Mon, 15 Feb 2021 08:28:44 +0100
+Subject: [PATCH] mtd: parsers: ofpart: fix building as module
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+This fixes:
+ERROR: modpost: missing MODULE_LICENSE() in drivers/mtd/parsers/bcm4908-partitions.o
+ERROR: modpost: "bcm4908_partitions_post_parse" [drivers/mtd/parsers/ofpart.ko] undefined!
+
+Reported-by: Stephen Rothwell <[email protected]>
+Fixes: 09cf6ee6d21c ("mtd: parsers: ofpart: support BCM4908 fixed partitions")
+Signed-off-by: Rafał Miłecki <[email protected]>
+Signed-off-by: Richard Weinberger <[email protected]>
+---
+ drivers/mtd/parsers/Makefile             | 2 +-
+ drivers/mtd/parsers/bcm4908-partitions.c | 2 ++
+ 2 files changed, 3 insertions(+), 1 deletion(-)
+
+--- a/drivers/mtd/parsers/Makefile
++++ b/drivers/mtd/parsers/Makefile
+@@ -4,7 +4,7 @@ obj-$(CONFIG_MTD_BCM47XX_PARTS)		+= bcm4
+ obj-$(CONFIG_MTD_BCM63XX_PARTS)		+= bcm63xxpart.o
+ obj-$(CONFIG_MTD_CMDLINE_PARTS)		+= cmdlinepart.o
+ obj-$(CONFIG_MTD_OF_PARTS)		+= ofpart.o
+-obj-$(CONFIG_MTD_OF_PARTS)		+= bcm4908-partitions.o
++ofpart-objs				:= bcm4908-partitions.o
+ obj-$(CONFIG_MTD_PARSER_IMAGETAG)	+= parser_imagetag.o
+ obj-$(CONFIG_MTD_AFS_PARTS)		+= afs.o
+ obj-$(CONFIG_MTD_PARSER_TRX)		+= parser_trx.o
+--- a/drivers/mtd/parsers/bcm4908-partitions.c
++++ b/drivers/mtd/parsers/bcm4908-partitions.c
+@@ -62,3 +62,5 @@ int bcm4908_partitions_post_parse(struct
+ 
+ 	return 0;
+ }
++
++MODULE_LICENSE("GPL");

+ 1 - 1
target/linux/generic/pending-5.4/430-mtd-add-myloader-partition-parser.patch

@@ -41,8 +41,8 @@ Signed-off-by: Adrian Schmutzler <[email protected]>
  obj-$(CONFIG_MTD_CMDLINE_PARTS)		+= cmdlinepart.o
 +obj-$(CONFIG_MTD_MYLOADER_PARTS)		+= myloader.o
  obj-$(CONFIG_MTD_OF_PARTS)		+= ofpart.o
+ ofpart-objs				:= bcm4908-partitions.o
  obj-$(CONFIG_MTD_PARSER_IMAGETAG)	+= parser_imagetag.o
- obj-$(CONFIG_MTD_AFS_PARTS)		+= afs.o
 --- /dev/null
 +++ b/drivers/mtd/parsers/myloader.c
 @@ -0,0 +1,181 @@

+ 1 - 1
target/linux/generic/pending-5.4/435-mtd-add-routerbootpart-parser-config.patch

@@ -31,7 +31,7 @@ Signed-off-by: Thibaut VARÈNE <[email protected]>
 +	 formatted DTS.
 --- a/drivers/mtd/parsers/Makefile
 +++ b/drivers/mtd/parsers/Makefile
-@@ -10,3 +10,4 @@ obj-$(CONFIG_MTD_AFS_PARTS)		+= afs.o
+@@ -11,3 +11,4 @@ obj-$(CONFIG_MTD_AFS_PARTS)		+= afs.o
  obj-$(CONFIG_MTD_PARSER_TRX)		+= parser_trx.o
  obj-$(CONFIG_MTD_SHARPSL_PARTS)		+= sharpslpart.o
  obj-$(CONFIG_MTD_REDBOOT_PARTS)		+= redboot.o