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. Best Regards Michał Mirosław
