From cc49abc06bca59911caf5b904c3181814636e4da Mon Sep 17 00:00:00 2001 From: INAGAKI Hiroshi Date: Sat, 12 Feb 2022 13:09:23 +0900 Subject: kernel: move parser_trx patches of custom magic to generic This patch moves the patches of parser_trx in mediatek target to generic/backport-5.10 to use the changes from ramips target and backport the additional patch of the parser. Signed-off-by: INAGAKI Hiroshi --- ...-bindings-mtd-brcm-trx-Add-brcm-trx-magic.patch | 32 ++++++++++++++ ...-trx-Allow-to-specify-brcm-trx-magic-in-D.patch | 50 ++++++++++++++++++++++ ...-trx-Allow-to-use-TRX-parser-on-Mediatek-.patch | 25 +++++++++++ 3 files changed, 107 insertions(+) create mode 100644 target/linux/generic/backport-5.10/409-v5.14-0001-dt-bindings-mtd-brcm-trx-Add-brcm-trx-magic.patch create mode 100644 target/linux/generic/backport-5.10/409-v5.14-0002-mtd-parsers-trx-Allow-to-specify-brcm-trx-magic-in-D.patch create mode 100644 target/linux/generic/backport-5.10/409-v5.14-0003-mtd-parsers-trx-Allow-to-use-TRX-parser-on-Mediatek-.patch (limited to 'target/linux/generic/backport-5.10') diff --git a/target/linux/generic/backport-5.10/409-v5.14-0001-dt-bindings-mtd-brcm-trx-Add-brcm-trx-magic.patch b/target/linux/generic/backport-5.10/409-v5.14-0001-dt-bindings-mtd-brcm-trx-Add-brcm-trx-magic.patch new file mode 100644 index 0000000000..1f34652141 --- /dev/null +++ b/target/linux/generic/backport-5.10/409-v5.14-0001-dt-bindings-mtd-brcm-trx-Add-brcm-trx-magic.patch @@ -0,0 +1,32 @@ +From a4d82940ff85a7e307953dfa715f65d5ab487e10 Mon Sep 17 00:00:00 2001 +From: Hauke Mehrtens +Date: Sun, 18 Apr 2021 23:46:14 +0200 +Subject: dt-bindings: mtd: brcm,trx: Add brcm,trx-magic + +This adds the description of an additional property which allows to +specify a custom partition parser magic to detect a trx partition. +Buffalo has multiple device which are using the trx format, but with +different magic values. + +Signed-off-by: Hauke Mehrtens +Acked-by: Rob Herring +Signed-off-by: Miquel Raynal +Link: https://lore.kernel.org/linux-mtd/20210418214616.239574-2-hauke@hauke-m.de +--- + .../devicetree/bindings/mtd/partitions/brcm,trx.txt | 5 +++++ + 1 file changed, 5 insertions(+) + +--- a/Documentation/devicetree/bindings/mtd/partitions/brcm,trx.txt ++++ b/Documentation/devicetree/bindings/mtd/partitions/brcm,trx.txt +@@ -28,6 +28,11 @@ detected by a software parsing TRX heade + Required properties: + - compatible : (required) must be "brcm,trx" + ++Optional properties: ++ ++- brcm,trx-magic: TRX magic, if it is different from the default magic ++ 0x30524448 as a u32. ++ + Example: + + flash@0 { diff --git a/target/linux/generic/backport-5.10/409-v5.14-0002-mtd-parsers-trx-Allow-to-specify-brcm-trx-magic-in-D.patch b/target/linux/generic/backport-5.10/409-v5.14-0002-mtd-parsers-trx-Allow-to-specify-brcm-trx-magic-in-D.patch new file mode 100644 index 0000000000..de2d914852 --- /dev/null +++ b/target/linux/generic/backport-5.10/409-v5.14-0002-mtd-parsers-trx-Allow-to-specify-brcm-trx-magic-in-D.patch @@ -0,0 +1,50 @@ +From d7f7e04f8b67571a4bf5a0dcd4f9da4214f5262c Mon Sep 17 00:00:00 2001 +From: Hauke Mehrtens +Date: Sun, 18 Apr 2021 23:46:15 +0200 +Subject: mtd: parsers: trx: Allow to specify brcm, trx-magic in DT + +Buffalo uses a different TRX magic for every device, to be able to use +this trx parser, make it possible to specify the TRX magic in device +tree. If no TRX magic is specified in device tree, the standard value +will be used. This value should only be specified if a vendor chooses to +use a non standard TRX magic. + +Signed-off-by: Hauke Mehrtens +Signed-off-by: Miquel Raynal +Link: https://lore.kernel.org/linux-mtd/20210418214616.239574-3-hauke@hauke-m.de +--- + drivers/mtd/parsers/parser_trx.c | 9 ++++++++- + 1 file changed, 8 insertions(+), 1 deletion(-) + +--- a/drivers/mtd/parsers/parser_trx.c ++++ b/drivers/mtd/parsers/parser_trx.c +@@ -51,13 +51,20 @@ static int parser_trx_parse(struct mtd_i + const struct mtd_partition **pparts, + struct mtd_part_parser_data *data) + { ++ struct device_node *np = mtd_get_of_node(mtd); + struct mtd_partition *parts; + struct mtd_partition *part; + struct trx_header trx; + size_t bytes_read; + uint8_t curr_part = 0, i = 0; ++ uint32_t trx_magic = TRX_MAGIC; + int err; + ++ /* Get different magic from device tree if specified */ ++ err = of_property_read_u32(np, "brcm,trx-magic", &trx_magic); ++ if (err != 0 && err != -EINVAL) ++ pr_err("failed to parse \"brcm,trx-magic\" DT attribute, using default: %d\n", err); ++ + parts = kcalloc(TRX_PARSER_MAX_PARTS, sizeof(struct mtd_partition), + GFP_KERNEL); + if (!parts) +@@ -70,7 +77,7 @@ static int parser_trx_parse(struct mtd_i + return err; + } + +- if (trx.magic != TRX_MAGIC) { ++ if (trx.magic != trx_magic) { + kfree(parts); + return -ENOENT; + } diff --git a/target/linux/generic/backport-5.10/409-v5.14-0003-mtd-parsers-trx-Allow-to-use-TRX-parser-on-Mediatek-.patch b/target/linux/generic/backport-5.10/409-v5.14-0003-mtd-parsers-trx-Allow-to-use-TRX-parser-on-Mediatek-.patch new file mode 100644 index 0000000000..faac535270 --- /dev/null +++ b/target/linux/generic/backport-5.10/409-v5.14-0003-mtd-parsers-trx-Allow-to-use-TRX-parser-on-Mediatek-.patch @@ -0,0 +1,25 @@ +From 81bb218c829246962a6327c64eec18ddcc049936 Mon Sep 17 00:00:00 2001 +From: Hauke Mehrtens +Date: Sun, 18 Apr 2021 23:46:16 +0200 +Subject: mtd: parsers: trx: Allow to use TRX parser on Mediatek SoCs + +Buffalo uses the TRX partition format also on Mediatek MT7622 SoCs. + +Signed-off-by: Hauke Mehrtens +Signed-off-by: Miquel Raynal +Link: https://lore.kernel.org/linux-mtd/20210418214616.239574-4-hauke@hauke-m.de +--- + drivers/mtd/parsers/Kconfig | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +--- a/drivers/mtd/parsers/Kconfig ++++ b/drivers/mtd/parsers/Kconfig +@@ -115,7 +115,7 @@ config MTD_AFS_PARTS + + config MTD_PARSER_TRX + tristate "Parser for TRX format partitions" +- depends on MTD && (BCM47XX || ARCH_BCM_5301X || COMPILE_TEST) ++ depends on MTD && (BCM47XX || ARCH_BCM_5301X || ARCH_MEDIATEK || COMPILE_TEST) + help + TRX is a firmware format used by Broadcom on their devices. It + may contain up to 3/4 partitions (depending on the version). -- cgit v1.2.3