From 41e1e838fbbb0308ad7353a3714e04b8c4585e7e Mon Sep 17 00:00:00 2001 From: =?utf8?q?Rafa=C5=82=20Mi=C5=82ecki?= Date: Fri, 8 Jul 2022 07:58:20 +0200 Subject: [PATCH] kernel: backport mtd patch adding of_platform_populate() calls MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit This is required for non-parser drivers handling MTD devices. Signed-off-by: Rafał Miłecki --- ...or-support-mtd-name-from-device-tree.patch | 6 +- ...or-support-mtd-name-from-device-tree.patch | 6 +- ...platform_populate-for-MTD-partitions.patch | 72 +++++++++++++++++++ ...platform_populate-for-MTD-partitions.patch | 72 +++++++++++++++++++ ...rans-call-add-disks-after-mtd-device.patch | 2 +- .../420-mtd-set-rootfs-to-be-root-dev.patch | 2 +- .../400-mtd-mtdsplit-support.patch | 11 +-- ...support-for-minor-aligned-partitions.patch | 6 +- ...-mtd-core-add-get_mtd_device_by_node.patch | 2 +- .../400-mtd-mtdsplit-support.patch | 11 +-- ...support-for-minor-aligned-partitions.patch | 6 +- ...or-support-mtd-name-from-device-tree.patch | 6 +- 12 files changed, 174 insertions(+), 28 deletions(-) create mode 100644 target/linux/generic/backport-5.10/412-v5.19-mtd-call-of_platform_populate-for-MTD-partitions.patch create mode 100644 target/linux/generic/backport-5.15/400-v5.19-mtd-call-of_platform_populate-for-MTD-partitions.patch diff --git a/target/linux/ath79/patches-5.10/401-mtd-nor-support-mtd-name-from-device-tree.patch b/target/linux/ath79/patches-5.10/401-mtd-nor-support-mtd-name-from-device-tree.patch index 38a65b183f..d7ee9e56fc 100644 --- a/target/linux/ath79/patches-5.10/401-mtd-nor-support-mtd-name-from-device-tree.patch +++ b/target/linux/ath79/patches-5.10/401-mtd-nor-support-mtd-name-from-device-tree.patch @@ -10,7 +10,7 @@ Signed-off-by: Abhimanyu Vishwakarma --- a/drivers/mtd/spi-nor/core.c +++ b/drivers/mtd/spi-nor/core.c -@@ -3156,6 +3156,7 @@ int spi_nor_scan(struct spi_nor *nor, co +@@ -3141,6 +3141,7 @@ int spi_nor_scan(struct spi_nor *nor, co struct device *dev = nor->dev; struct mtd_info *mtd = &nor->mtd; struct device_node *np = spi_nor_get_flash_node(nor); @@ -18,7 +18,7 @@ Signed-off-by: Abhimanyu Vishwakarma int ret; int i; -@@ -3210,7 +3211,12 @@ int spi_nor_scan(struct spi_nor *nor, co +@@ -3195,7 +3196,12 @@ int spi_nor_scan(struct spi_nor *nor, co if (ret) return ret; @@ -34,7 +34,7 @@ Signed-off-by: Abhimanyu Vishwakarma mtd->type = MTD_NORFLASH; --- a/drivers/mtd/mtdcore.c +++ b/drivers/mtd/mtdcore.c -@@ -778,6 +778,17 @@ out_error: +@@ -788,6 +788,17 @@ out_error: */ static void mtd_set_dev_defaults(struct mtd_info *mtd) { diff --git a/target/linux/ath79/patches-5.15/401-mtd-nor-support-mtd-name-from-device-tree.patch b/target/linux/ath79/patches-5.15/401-mtd-nor-support-mtd-name-from-device-tree.patch index 7f49a62b3d..22a6d95462 100644 --- a/target/linux/ath79/patches-5.15/401-mtd-nor-support-mtd-name-from-device-tree.patch +++ b/target/linux/ath79/patches-5.15/401-mtd-nor-support-mtd-name-from-device-tree.patch @@ -10,7 +10,7 @@ Signed-off-by: Abhimanyu Vishwakarma --- a/drivers/mtd/spi-nor/core.c +++ b/drivers/mtd/spi-nor/core.c -@@ -3110,6 +3110,7 @@ int spi_nor_scan(struct spi_nor *nor, co +@@ -3095,6 +3095,7 @@ int spi_nor_scan(struct spi_nor *nor, co struct device *dev = nor->dev; struct mtd_info *mtd = &nor->mtd; struct device_node *np = spi_nor_get_flash_node(nor); @@ -18,7 +18,7 @@ Signed-off-by: Abhimanyu Vishwakarma int ret; int i; -@@ -3164,7 +3165,12 @@ int spi_nor_scan(struct spi_nor *nor, co +@@ -3149,7 +3150,12 @@ int spi_nor_scan(struct spi_nor *nor, co if (ret) return ret; @@ -34,7 +34,7 @@ Signed-off-by: Abhimanyu Vishwakarma mtd->type = MTD_NORFLASH; --- a/drivers/mtd/mtdcore.c +++ b/drivers/mtd/mtdcore.c -@@ -778,6 +778,17 @@ out_error: +@@ -788,6 +788,17 @@ out_error: */ static void mtd_set_dev_defaults(struct mtd_info *mtd) { diff --git a/target/linux/generic/backport-5.10/412-v5.19-mtd-call-of_platform_populate-for-MTD-partitions.patch b/target/linux/generic/backport-5.10/412-v5.19-mtd-call-of_platform_populate-for-MTD-partitions.patch new file mode 100644 index 0000000000..aaeb087c89 --- /dev/null +++ b/target/linux/generic/backport-5.10/412-v5.19-mtd-call-of_platform_populate-for-MTD-partitions.patch @@ -0,0 +1,72 @@ +From bcdf0315a61a29eb753a607d3a85a4032de72d94 Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= +Date: Tue, 10 May 2022 15:12:59 +0200 +Subject: [PATCH] mtd: call of_platform_populate() for MTD partitions +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +Until this change MTD subsystem supported handling partitions only with +MTD partitions parsers. That's a specific / limited API designed around +partitions. + +Some MTD partitions may however require different handling. They may +contain specific data that needs to be parsed and somehow extracted. For +that purpose MTD subsystem should allow binding of standard platform +drivers. + +An example can be U-Boot (sub)partition with environment variables. +There exist a "u-boot,env" DT binding for MTD (sub)partition that +requires an NVMEM driver. + +Ref: 5db1c2dbc04c ("dt-bindings: nvmem: add U-Boot environment variables binding") +Signed-off-by: Rafał Miłecki +Signed-off-by: Miquel Raynal +Link: https://lore.kernel.org/linux-mtd/20220510131259.555-1-zajec5@gmail.com +--- + drivers/mtd/mtdpart.c | 9 +++++++++ + 1 file changed, 9 insertions(+) + +--- a/drivers/mtd/mtdpart.c ++++ b/drivers/mtd/mtdpart.c +@@ -17,6 +17,7 @@ + #include + #include + #include ++#include + + #include "mtdcore.h" + +@@ -578,10 +579,16 @@ static int mtd_part_of_parse(struct mtd_ + struct mtd_part_parser *parser; + struct device_node *np; + struct property *prop; ++ struct device *dev; + const char *compat; + const char *fixed = "fixed-partitions"; + int ret, err = 0; + ++ dev = &master->dev; ++ /* Use parent device (controller) if the top level MTD is not registered */ ++ if (!IS_ENABLED(CONFIG_MTD_PARTITIONED_MASTER) && !mtd_is_partition(master)) ++ dev = master->dev.parent; ++ + np = mtd_get_of_node(master); + if (mtd_is_partition(master)) + of_node_get(np); +@@ -594,6 +601,7 @@ static int mtd_part_of_parse(struct mtd_ + continue; + ret = mtd_part_do_parse(parser, master, pparts, NULL); + if (ret > 0) { ++ of_platform_populate(np, NULL, NULL, dev); + of_node_put(np); + return ret; + } +@@ -601,6 +609,7 @@ static int mtd_part_of_parse(struct mtd_ + if (ret < 0 && !err) + err = ret; + } ++ of_platform_populate(np, NULL, NULL, dev); + of_node_put(np); + + /* diff --git a/target/linux/generic/backport-5.15/400-v5.19-mtd-call-of_platform_populate-for-MTD-partitions.patch b/target/linux/generic/backport-5.15/400-v5.19-mtd-call-of_platform_populate-for-MTD-partitions.patch new file mode 100644 index 0000000000..1f3aae13b4 --- /dev/null +++ b/target/linux/generic/backport-5.15/400-v5.19-mtd-call-of_platform_populate-for-MTD-partitions.patch @@ -0,0 +1,72 @@ +From bcdf0315a61a29eb753a607d3a85a4032de72d94 Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= +Date: Tue, 10 May 2022 15:12:59 +0200 +Subject: [PATCH] mtd: call of_platform_populate() for MTD partitions +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +Until this change MTD subsystem supported handling partitions only with +MTD partitions parsers. That's a specific / limited API designed around +partitions. + +Some MTD partitions may however require different handling. They may +contain specific data that needs to be parsed and somehow extracted. For +that purpose MTD subsystem should allow binding of standard platform +drivers. + +An example can be U-Boot (sub)partition with environment variables. +There exist a "u-boot,env" DT binding for MTD (sub)partition that +requires an NVMEM driver. + +Ref: 5db1c2dbc04c ("dt-bindings: nvmem: add U-Boot environment variables binding") +Signed-off-by: Rafał Miłecki +Signed-off-by: Miquel Raynal +Link: https://lore.kernel.org/linux-mtd/20220510131259.555-1-zajec5@gmail.com +--- + drivers/mtd/mtdpart.c | 9 +++++++++ + 1 file changed, 9 insertions(+) + +--- a/drivers/mtd/mtdpart.c ++++ b/drivers/mtd/mtdpart.c +@@ -17,6 +17,7 @@ + #include + #include + #include ++#include + + #include "mtdcore.h" + +@@ -577,10 +578,16 @@ static int mtd_part_of_parse(struct mtd_ + struct mtd_part_parser *parser; + struct device_node *np; + struct property *prop; ++ struct device *dev; + const char *compat; + const char *fixed = "fixed-partitions"; + int ret, err = 0; + ++ dev = &master->dev; ++ /* Use parent device (controller) if the top level MTD is not registered */ ++ if (!IS_ENABLED(CONFIG_MTD_PARTITIONED_MASTER) && !mtd_is_partition(master)) ++ dev = master->dev.parent; ++ + np = mtd_get_of_node(master); + if (mtd_is_partition(master)) + of_node_get(np); +@@ -593,6 +600,7 @@ static int mtd_part_of_parse(struct mtd_ + continue; + ret = mtd_part_do_parse(parser, master, pparts, NULL); + if (ret > 0) { ++ of_platform_populate(np, NULL, NULL, dev); + of_node_put(np); + return ret; + } +@@ -600,6 +608,7 @@ static int mtd_part_of_parse(struct mtd_ + if (ret < 0 && !err) + err = ret; + } ++ of_platform_populate(np, NULL, NULL, dev); + of_node_put(np); + + /* diff --git a/target/linux/generic/hack-5.10/402-mtd-blktrans-call-add-disks-after-mtd-device.patch b/target/linux/generic/hack-5.10/402-mtd-blktrans-call-add-disks-after-mtd-device.patch index 988d900b31..a5dc72f43b 100644 --- a/target/linux/generic/hack-5.10/402-mtd-blktrans-call-add-disks-after-mtd-device.patch +++ b/target/linux/generic/hack-5.10/402-mtd-blktrans-call-add-disks-after-mtd-device.patch @@ -77,7 +77,7 @@ Signed-off-by: Daniel Golle #include "mtdcore.h" -@@ -851,6 +852,8 @@ int mtd_device_parse_register(struct mtd +@@ -861,6 +862,8 @@ int mtd_device_parse_register(struct mtd register_reboot_notifier(&mtd->reboot_notifier); } diff --git a/target/linux/generic/hack-5.10/420-mtd-set-rootfs-to-be-root-dev.patch b/target/linux/generic/hack-5.10/420-mtd-set-rootfs-to-be-root-dev.patch index b071ac61ec..d34306b7fc 100644 --- a/target/linux/generic/hack-5.10/420-mtd-set-rootfs-to-be-root-dev.patch +++ b/target/linux/generic/hack-5.10/420-mtd-set-rootfs-to-be-root-dev.patch @@ -20,7 +20,7 @@ Signed-off-by: Gabor Juhos #include #include -@@ -694,6 +695,19 @@ int add_mtd_device(struct mtd_info *mtd) +@@ -704,6 +705,19 @@ int add_mtd_device(struct mtd_info *mtd) of this try_ nonsense, and no bitching about it either. :) */ __module_get(THIS_MODULE); diff --git a/target/linux/generic/pending-5.10/400-mtd-mtdsplit-support.patch b/target/linux/generic/pending-5.10/400-mtd-mtdsplit-support.patch index 42043a2818..f37df6d164 100644 --- a/target/linux/generic/pending-5.10/400-mtd-mtdsplit-support.patch +++ b/target/linux/generic/pending-5.10/400-mtd-mtdsplit-support.patch @@ -28,20 +28,21 @@ depends on m --- a/drivers/mtd/mtdpart.c +++ b/drivers/mtd/mtdpart.c -@@ -15,10 +15,12 @@ +@@ -15,11 +15,13 @@ #include #include #include +#include #include #include + #include #include "mtdcore.h" +#include "mtdsplit/mtdsplit.h" /* * MTD methods which simply translate the effective address and pass through -@@ -236,6 +238,146 @@ static int mtd_add_partition_attrs(struc +@@ -237,6 +239,146 @@ static int mtd_add_partition_attrs(struc return ret; } @@ -188,7 +189,7 @@ int mtd_add_partition(struct mtd_info *parent, const char *name, long long offset, long long length) { -@@ -274,6 +416,7 @@ int mtd_add_partition(struct mtd_info *p +@@ -275,6 +417,7 @@ int mtd_add_partition(struct mtd_info *p if (ret) goto err_remove_part; @@ -196,7 +197,7 @@ mtd_add_partition_attrs(child); return 0; -@@ -422,6 +565,7 @@ int add_mtd_partitions(struct mtd_info * +@@ -423,6 +566,7 @@ int add_mtd_partitions(struct mtd_info * goto err_del_partitions; } @@ -204,7 +205,7 @@ mtd_add_partition_attrs(child); /* Look for subpartitions */ -@@ -438,31 +582,6 @@ err_del_partitions: +@@ -439,31 +583,6 @@ err_del_partitions: return ret; } diff --git a/target/linux/generic/pending-5.10/402-mtd-spi-nor-write-support-for-minor-aligned-partitions.patch b/target/linux/generic/pending-5.10/402-mtd-spi-nor-write-support-for-minor-aligned-partitions.patch index c634ae9aeb..53d5637e41 100644 --- a/target/linux/generic/pending-5.10/402-mtd-spi-nor-write-support-for-minor-aligned-partitions.patch +++ b/target/linux/generic/pending-5.10/402-mtd-spi-nor-write-support-for-minor-aligned-partitions.patch @@ -106,7 +106,7 @@ Reported-by: Dan Carpenter &dev_attr_oobsize.attr, --- a/drivers/mtd/mtdpart.c +++ b/drivers/mtd/mtdpart.c -@@ -40,6 +40,7 @@ static struct mtd_info *allocate_partiti +@@ -41,6 +41,7 @@ static struct mtd_info *allocate_partiti struct mtd_info *master = mtd_get_master(parent); int wr_alignment = (parent->flags & MTD_NO_ERASE) ? master->writesize : master->erasesize; @@ -114,7 +114,7 @@ Reported-by: Dan Carpenter u64 parent_size = mtd_is_partition(parent) ? parent->part.size : parent->size; struct mtd_info *child; -@@ -164,6 +165,7 @@ static struct mtd_info *allocate_partiti +@@ -165,6 +166,7 @@ static struct mtd_info *allocate_partiti } else { /* Single erase size */ child->erasesize = master->erasesize; @@ -122,7 +122,7 @@ Reported-by: Dan Carpenter } /* -@@ -171,26 +173,39 @@ static struct mtd_info *allocate_partiti +@@ -172,26 +174,39 @@ static struct mtd_info *allocate_partiti * exposes several regions with different erasesize. Adjust * wr_alignment accordingly. */ diff --git a/target/linux/generic/pending-5.10/495-mtd-core-add-get_mtd_device_by_node.patch b/target/linux/generic/pending-5.10/495-mtd-core-add-get_mtd_device_by_node.patch index 22c3ba56d4..ac5e4086d9 100644 --- a/target/linux/generic/pending-5.10/495-mtd-core-add-get_mtd_device_by_node.patch +++ b/target/linux/generic/pending-5.10/495-mtd-core-add-get_mtd_device_by_node.patch @@ -17,7 +17,7 @@ Reviewed-by: Miquel Raynal --- a/drivers/mtd/mtdcore.c +++ b/drivers/mtd/mtdcore.c -@@ -1046,6 +1046,44 @@ out_unlock: +@@ -1056,6 +1056,44 @@ out_unlock: } EXPORT_SYMBOL_GPL(get_mtd_device_nm); diff --git a/target/linux/generic/pending-5.15/400-mtd-mtdsplit-support.patch b/target/linux/generic/pending-5.15/400-mtd-mtdsplit-support.patch index 1acb8d718f..461341ce76 100644 --- a/target/linux/generic/pending-5.15/400-mtd-mtdsplit-support.patch +++ b/target/linux/generic/pending-5.15/400-mtd-mtdsplit-support.patch @@ -28,20 +28,21 @@ depends on m --- a/drivers/mtd/mtdpart.c +++ b/drivers/mtd/mtdpart.c -@@ -15,10 +15,12 @@ +@@ -15,11 +15,13 @@ #include #include #include +#include #include #include + #include #include "mtdcore.h" +#include "mtdsplit/mtdsplit.h" /* * MTD methods which simply translate the effective address and pass through -@@ -235,6 +237,146 @@ static int mtd_add_partition_attrs(struc +@@ -236,6 +238,146 @@ static int mtd_add_partition_attrs(struc return ret; } @@ -188,7 +189,7 @@ int mtd_add_partition(struct mtd_info *parent, const char *name, long long offset, long long length) { -@@ -273,6 +415,7 @@ int mtd_add_partition(struct mtd_info *p +@@ -274,6 +416,7 @@ int mtd_add_partition(struct mtd_info *p if (ret) goto err_remove_part; @@ -196,7 +197,7 @@ mtd_add_partition_attrs(child); return 0; -@@ -421,6 +564,7 @@ int add_mtd_partitions(struct mtd_info * +@@ -422,6 +565,7 @@ int add_mtd_partitions(struct mtd_info * goto err_del_partitions; } @@ -204,7 +205,7 @@ mtd_add_partition_attrs(child); /* Look for subpartitions */ -@@ -437,31 +581,6 @@ err_del_partitions: +@@ -438,31 +582,6 @@ err_del_partitions: return ret; } diff --git a/target/linux/generic/pending-5.15/402-mtd-spi-nor-write-support-for-minor-aligned-partitions.patch b/target/linux/generic/pending-5.15/402-mtd-spi-nor-write-support-for-minor-aligned-partitions.patch index 43dcbdbbce..ed9d1c9dc1 100644 --- a/target/linux/generic/pending-5.15/402-mtd-spi-nor-write-support-for-minor-aligned-partitions.patch +++ b/target/linux/generic/pending-5.15/402-mtd-spi-nor-write-support-for-minor-aligned-partitions.patch @@ -106,7 +106,7 @@ Reported-by: Dan Carpenter &dev_attr_oobsize.attr, --- a/drivers/mtd/mtdpart.c +++ b/drivers/mtd/mtdpart.c -@@ -40,6 +40,7 @@ static struct mtd_info *allocate_partiti +@@ -41,6 +41,7 @@ static struct mtd_info *allocate_partiti struct mtd_info *master = mtd_get_master(parent); int wr_alignment = (parent->flags & MTD_NO_ERASE) ? master->writesize : master->erasesize; @@ -114,7 +114,7 @@ Reported-by: Dan Carpenter u64 parent_size = mtd_is_partition(parent) ? parent->part.size : parent->size; struct mtd_info *child; -@@ -164,6 +165,7 @@ static struct mtd_info *allocate_partiti +@@ -165,6 +166,7 @@ static struct mtd_info *allocate_partiti } else { /* Single erase size */ child->erasesize = master->erasesize; @@ -122,7 +122,7 @@ Reported-by: Dan Carpenter } /* -@@ -171,26 +173,39 @@ static struct mtd_info *allocate_partiti +@@ -172,26 +174,39 @@ static struct mtd_info *allocate_partiti * exposes several regions with different erasesize. Adjust * wr_alignment accordingly. */ diff --git a/target/linux/pistachio/patches-5.10/401-mtd-nor-support-mtd-name-from-device-tree.patch b/target/linux/pistachio/patches-5.10/401-mtd-nor-support-mtd-name-from-device-tree.patch index 38a65b183f..d7ee9e56fc 100644 --- a/target/linux/pistachio/patches-5.10/401-mtd-nor-support-mtd-name-from-device-tree.patch +++ b/target/linux/pistachio/patches-5.10/401-mtd-nor-support-mtd-name-from-device-tree.patch @@ -10,7 +10,7 @@ Signed-off-by: Abhimanyu Vishwakarma --- a/drivers/mtd/spi-nor/core.c +++ b/drivers/mtd/spi-nor/core.c -@@ -3156,6 +3156,7 @@ int spi_nor_scan(struct spi_nor *nor, co +@@ -3141,6 +3141,7 @@ int spi_nor_scan(struct spi_nor *nor, co struct device *dev = nor->dev; struct mtd_info *mtd = &nor->mtd; struct device_node *np = spi_nor_get_flash_node(nor); @@ -18,7 +18,7 @@ Signed-off-by: Abhimanyu Vishwakarma int ret; int i; -@@ -3210,7 +3211,12 @@ int spi_nor_scan(struct spi_nor *nor, co +@@ -3195,7 +3196,12 @@ int spi_nor_scan(struct spi_nor *nor, co if (ret) return ret; @@ -34,7 +34,7 @@ Signed-off-by: Abhimanyu Vishwakarma mtd->type = MTD_NORFLASH; --- a/drivers/mtd/mtdcore.c +++ b/drivers/mtd/mtdcore.c -@@ -778,6 +778,17 @@ out_error: +@@ -788,6 +788,17 @@ out_error: */ static void mtd_set_dev_defaults(struct mtd_info *mtd) { -- 2.30.2