On 2026-08-11T05:18:35, Balaji Selvanathan <[email protected]> wrote: > reboot-mode: parse up to 3 magic cells per mode > > The reboot-mode framework currently stores a single u32 magic value per > mode and parses exactly one cell from each "mode-*" device tree property. > That is sufficient for the existing backing-store users (nvmem, gpio, > rtc), but a PSCI SYSTEM_RESET2 vendor reset is described by up to three > 32-bit cells: <reset_type[, cookie_hi[, cookie_lo]]>, matching the > reboot-mode binding for the psci "reboot-mode" subnode. > > Restructure struct reboot_mode_mode to hold an array of up to > REBOOT_MODE_MAX_MAGIC (3) cells plus a cell count, and make > dm_reboot_mode_pre_probe() length-aware so it reads 1 to 3 cells from > each property. dm_reboot_mode_update() now matches the backing-store > value against magic[0]. > > Existing single-cell modes (e.g. nvmem "mode-bootloader = <0x02>") parse > to magic[0] = 0x02, count = 1 and keep matching exactly as before, so > there is no functional change for current users. > > Signed-off-by: Balaji Selvanathan <[email protected]> > > drivers/reboot-mode/reboot-mode-uclass.c | 28 ++++++++++++++++++++++------ > include/reboot-mode/reboot-mode.h | 8 +++++++- > 2 files changed, 29 insertions(+), 7 deletions(-)
Reviewed-by: Simon Glass <[email protected]>
