24.03.2020 00:35, Michał Mirosław пишет: > On Mon, Mar 23, 2020 at 10:59:52PM +0300, Dmitry Osipenko wrote: >> 23.03.2020 22:17, Michał Mirosław пишет: >>> On Mon, Mar 23, 2020 at 07:34:24PM +0300, Dmitry Osipenko wrote: >>>> All NVIDIA Tegra devices use a special partition table format for the >>>> internal storage partitioning. Most of Tegra devices have GPT partition >>>> in addition to TegraPT, but some older Android consumer-grade devices do >>>> not or GPT is placed in a wrong sector, and thus, the TegraPT is needed >>>> in order to support these devices properly in the upstream kernel. This >>>> patch adds support for NVIDIA Tegra Partition Table format that is used >>>> at least by all NVIDIA Tegra20 and Tegra30 devices. >>>> >>>> Signed-off-by: Dmitry Osipenko <digetx@xxxxxxxxx> >>>> --- >>>> arch/arm/mach-tegra/tegra.c | 54 ++++ >>> [...] >>> >>> Please split off this part and make the information available to >>> userspace (pt_addr + pt_size) if found. This would make it easier >>> to support use the partition table later in initrd instead. >> >> Please clarify what do you mean by "use the partition table later in >> initrd instead". > > Configure device-mapper to span eMMC boot+data partitions and then ask > (modified) kpartx to partition the resulting device. All before rootfs > is mounted and switched to in initrd. The whole point of this series is to make partition handling generic in the kernel, avoiding the need to customize anything.