Verified on url =
https://chromium.googlesource.com/chromiumos/third_party/kernel/+/chromeos-3.14
Tested by 179200 cycles are pass with CPU up/dowm test scripts.
Changes in v6:
- As Russell suggestion, detect whether of_reset_control_get() failed
- add the comment for 1ms delay.
Series-changes: 5
- back to v2 cpu on/off flow, As Heiko point out in patch v3.
- delay more time in rockchip_boot_secondary().
From CPU up/down tests, Needed more time to complete CPU process.
In order to ensure a more, Here that be delayed 1ms.
Series-changes: 4
- Add reset_control_put(rstc) for the non-error case.
Series-changes: 3
- FIx the PATCH v2, it doesn't work on chromium 3.14.
Series-changes: 2
- As Heiko suggestion, re-adjust the cpu on/off flow.
CPU off:
reset_control_assert
regmap_update_bits(pmu, PMU_PWRDN_CON, BIT(pd), BIT(pd))
wait_for_power_domain_to_turn_off
CPU on:
regmap_update_bits(pmu, PMU_PWRDN_CON, BIT(pd), 0)
wait_for_power_domain_to_turn_on
reset_control_deassert
- Fix the delay 1ms describing.
Series-changes: 5
- Fix the patch decription.
- Add the changelog.
Series-changes: 2
- As Kever points out, Fix the subject typo WFI/WFE.
- fix the commnet Unified format.
Series-changes: 5
- Add the changelog.
Series-changes: 2
- Use the checkpatch.pl -f --subjective to check.
Caesar Wang (3):
ARM: rockchip: fix the CPU soft reset
ARM: rockchip: ensure CPU to enter WFI/WFE state
ARM: rockchip: fix the SMP code style
arch/arm/mach-rockchip/platsmp.c | 58 ++++++++++++++++++++++++----------------
1 file changed, 35 insertions(+), 23 deletions(-)
--
1.9.1
