Without a time source the read_poll_timeout functions will deadlock in the PBL
if the break condition is never met. This series introduces the necessary
timing functions in the PBL for ARMv7 and ARMv8 based on the ARM architected
timer and enable their usage if available.
Signed-off-by: Stefan Kerkmann <s.kerkmann@xxxxxxxxxxxxxx>
---
Stefan Kerkmann (3):
ARM64: lib64: pbl: implement get_time_ns and is_timeout
ARM: lib32: pbl: implement get_time_ns and is_timeout
pbl: introduce HAS_PBL_CLOCKSOURCE marker
arch/arm/cpu/Kconfig | 2 ++
arch/arm/lib32/Makefile | 2 +-
arch/arm/lib32/arm_architected_timer.c | 15 ++++++++++++++-
arch/arm/lib64/pbl.c | 17 +++++++++++++++--
include/linux/iopoll.h | 8 ++++----
pbl/Kconfig | 3 +++
6 files changed, 39 insertions(+), 8 deletions(-)
---
base-commit: 5acd59882f02d8f8da002b939756c1739d917ac2
change-id: 20250121-feature-pbl-get-time-ns-6d9e8874d582
Best regards,
--
Stefan Kerkmann <s.kerkmann@xxxxxxxxxxxxxx>
