mtd: block2mtd: wait for device enumeration, add name support
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- v3 Latest3 patches 9 repliesIn review
Patches in v3 No applies recorded yet
| # | Subject and files | Size | Replies | Applied |
|---|---|---|---|---|
| 1/3 | mtd: block2mtd: Ensure that block2mtd is triggered after block devices are presented.drivers/ | +42 | 1 reply | |
| 2/3 | mtd: block2mtd: Adds a mtd name and a block device timeout optiondrivers/ | +22 | 1 reply | |
| 3/3 | mtd: block2mtd: Removes PAGE_MASK as a index to partition sizedrivers/ | +1 | 7 replies |
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Cover letter [PATCH v3 0/3] mtd: block2mtd: wait for device enumeration, add name support
From: Felix Fietkau <[email protected]>
mtd: block2mtd: wait for device enumeration, add name support
Currently, a block MTD device is not presented timely on boot time, in order to start mounting the filesystems, causing the system to not boot or panic because of lack of rootfs. This patch ensures that block2mtd is presented at the right time, so the filesystems can be mounted on boot time.
This issue was seen on BCM2835 (Raspberry Pi) systems when mounting JFFS2 block2mtd filesystems.
This patchset also adds a MTD device name and a timeout option to the driver and deprecates PAGE_MASK when calculating the device size. Original patchset:
https://dev.openwrt.org/browser/trunk/target/linux/generic/patches-3.12/440-block2mtd_init.patch?rev=40444
https://dev.openwrt.org/browser/trunk/target/linux/generic/patches-3.12/441-block2mtd_probe.patch?rev=40444
V3: Split the changes on 3 different patches, fixes a compile warning
V2: Uses kstrdup, removed PAGE_MASK.
drivers/mtd/devices/block2mtd.c | 57 ++++++++++++++++++++++++++++---------- 1 files changed, 42 insertions(+), 15 deletions(-) drivers/mtd/devices/block2mtd.c | 32 +++++++++++++++++++++++--------- 1 files changed, 23 insertions(+), 9 deletions(-) drivers/mtd/devices/block2mtd.c | 3 +-- 1 files changed, 1 insertions(+), 2 deletions(-)
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1.7.1