diff options
Diffstat (limited to 'target/linux/generic')
| -rw-r--r-- | target/linux/generic/backport-6.1/424-v6.3-mtd-ubi-wire-up-parent-MTD-device.patch | 33 | ||||
| -rw-r--r-- | target/linux/generic/backport-6.1/425-v6.3-mtd-ubi-block-wire-up-device-parent.patch | 49 | ||||
| -rw-r--r-- | target/linux/generic/backport-6.1/426-v6.4-0004-mtd-core-prepare-mtd_otp_nvmem_add-to-handle-EPROBE_.patch (renamed from target/linux/generic/backport-6.1/424-v6.4-0004-mtd-core-prepare-mtd_otp_nvmem_add-to-handle-EPROBE_.patch) | 0 | ||||
| -rw-r--r-- | target/linux/generic/pending-6.1/490-ubi-auto-attach-mtd-device-named-ubi-or-data-on-boot.patch | 4 |
4 files changed, 84 insertions, 2 deletions
diff --git a/target/linux/generic/backport-6.1/424-v6.3-mtd-ubi-wire-up-parent-MTD-device.patch b/target/linux/generic/backport-6.1/424-v6.3-mtd-ubi-wire-up-parent-MTD-device.patch new file mode 100644 index 00000000000..657404196d3 --- /dev/null +++ b/target/linux/generic/backport-6.1/424-v6.3-mtd-ubi-wire-up-parent-MTD-device.patch @@ -0,0 +1,33 @@ +From 1ecf9e390452e73a362ea7fbde8f3f0db83de856 Mon Sep 17 00:00:00 2001 +From: Daniel Golle <daniel@makrotopia.org> +Date: Thu, 22 Dec 2022 19:33:04 +0000 +Subject: [PATCH] mtd: ubi: wire-up parent MTD device + +Wire up the device parent pointer of UBI devices to their lower MTD +device, typically an MTD partition or whole-chip device. + +The most noticeable change is that in sysfs, previously ubi devices +would be could in /sys/devices/virtual/ubi while after this change they +would be correctly attached to their parent MTD device, e.g. + +/sys/devices/platform/1100d000.spi/spi_master/spi1/spi1.0/mtd/mtd2/ubi0. + +Locating UBI devices using /sys/class/ubi/ of course still works as +well. + +Signed-off-by: Daniel Golle <daniel@makrotopia.org> +Signed-off-by: Richard Weinberger <richard@nod.at> +--- + drivers/mtd/ubi/build.c | 1 + + 1 file changed, 1 insertion(+) + +--- a/drivers/mtd/ubi/build.c ++++ b/drivers/mtd/ubi/build.c +@@ -929,6 +929,7 @@ int ubi_attach_mtd_dev(struct mtd_info * + ubi->dev.release = dev_release; + ubi->dev.class = &ubi_class; + ubi->dev.groups = ubi_dev_groups; ++ ubi->dev.parent = &mtd->dev; + + ubi->mtd = mtd; + ubi->ubi_num = ubi_num; diff --git a/target/linux/generic/backport-6.1/425-v6.3-mtd-ubi-block-wire-up-device-parent.patch b/target/linux/generic/backport-6.1/425-v6.3-mtd-ubi-block-wire-up-device-parent.patch new file mode 100644 index 00000000000..48bf9861184 --- /dev/null +++ b/target/linux/generic/backport-6.1/425-v6.3-mtd-ubi-block-wire-up-device-parent.patch @@ -0,0 +1,49 @@ +From 05b8773ca33253ea562be145cf3145b05ef19f86 Mon Sep 17 00:00:00 2001 +From: Daniel Golle <daniel@makrotopia.org> +Date: Thu, 22 Dec 2022 19:33:31 +0000 +Subject: [PATCH] mtd: ubi: block: wire-up device parent + +ubiblock devices were previously only identifyable by their name, but +not connected to their parent UBI volume device e.g. in sysfs. +Properly parent ubiblock device as descendant of a UBI volume device +to reflect device model hierachy. + +Signed-off-by: Daniel Golle <daniel@makrotopia.org> +Signed-off-by: Richard Weinberger <richard@nod.at> +--- + drivers/mtd/ubi/block.c | 2 +- + drivers/mtd/ubi/kapi.c | 1 + + include/linux/mtd/ubi.h | 1 + + 3 files changed, 3 insertions(+), 1 deletion(-) + +--- a/drivers/mtd/ubi/block.c ++++ b/drivers/mtd/ubi/block.c +@@ -452,7 +452,7 @@ int ubiblock_create(struct ubi_volume_in + list_add_tail(&dev->list, &ubiblock_devices); + + /* Must be the last step: anyone can call file ops from now on */ +- ret = add_disk(dev->gd); ++ ret = device_add_disk(vi->dev, dev->gd, NULL); + if (ret) + goto out_destroy_wq; + +--- a/drivers/mtd/ubi/kapi.c ++++ b/drivers/mtd/ubi/kapi.c +@@ -79,6 +79,7 @@ void ubi_do_get_volume_info(struct ubi_d + vi->name_len = vol->name_len; + vi->name = vol->name; + vi->cdev = vol->cdev.dev; ++ vi->dev = &vol->dev; + } + + /** +--- a/include/linux/mtd/ubi.h ++++ b/include/linux/mtd/ubi.h +@@ -110,6 +110,7 @@ struct ubi_volume_info { + int name_len; + const char *name; + dev_t cdev; ++ struct device *dev; + }; + + /** diff --git a/target/linux/generic/backport-6.1/424-v6.4-0004-mtd-core-prepare-mtd_otp_nvmem_add-to-handle-EPROBE_.patch b/target/linux/generic/backport-6.1/426-v6.4-0004-mtd-core-prepare-mtd_otp_nvmem_add-to-handle-EPROBE_.patch index 9ddda420ac3..9ddda420ac3 100644 --- a/target/linux/generic/backport-6.1/424-v6.4-0004-mtd-core-prepare-mtd_otp_nvmem_add-to-handle-EPROBE_.patch +++ b/target/linux/generic/backport-6.1/426-v6.4-0004-mtd-core-prepare-mtd_otp_nvmem_add-to-handle-EPROBE_.patch diff --git a/target/linux/generic/pending-6.1/490-ubi-auto-attach-mtd-device-named-ubi-or-data-on-boot.patch b/target/linux/generic/pending-6.1/490-ubi-auto-attach-mtd-device-named-ubi-or-data-on-boot.patch index 765eecd9d71..2601281bf7b 100644 --- a/target/linux/generic/pending-6.1/490-ubi-auto-attach-mtd-device-named-ubi-or-data-on-boot.patch +++ b/target/linux/generic/pending-6.1/490-ubi-auto-attach-mtd-device-named-ubi-or-data-on-boot.patch @@ -8,7 +8,7 @@ Signed-off-by: Daniel Golle <daniel@makrotopia.org> --- a/drivers/mtd/ubi/build.c +++ b/drivers/mtd/ubi/build.c -@@ -1212,6 +1212,73 @@ static struct mtd_info * __init open_mtd +@@ -1213,6 +1213,73 @@ static struct mtd_info * __init open_mtd return mtd; } @@ -82,7 +82,7 @@ Signed-off-by: Daniel Golle <daniel@makrotopia.org> static int __init ubi_init(void) { int err, i, k; -@@ -1296,6 +1363,12 @@ static int __init ubi_init(void) +@@ -1297,6 +1364,12 @@ static int __init ubi_init(void) } } |