Hi Krzysztof, On 26 July 2018 at 12:10, Krzysztof Kozlowski <k...@kernel.org> wrote: > On 26 July 2018 at 08:22, Anand Moon <linux.am...@gmail.com> wrote: >> Hi Krzysztof, >> >> On 24 July 2018 at 22:19, Krzysztof Kozlowski <k...@kernel.org> wrote: >>> Suspend to RAM on Odroid XU3/XU4/HC1 family (Exynos5422) causes >>> imprecise abort: >>> >>> PM: Syncing filesystems ... done. >>> Freezing user space processes ... (elapsed 0.003 seconds) done. >>> OOM killer disabled. >>> Freezing remaining freezable tasks ... (elapsed 0.003 seconds) done. >>> wake enabled for irq 139 >>> Disabling non-boot CPUs ... >>> IRQ51 no longer affine to CPU1 >>> IRQ52 no longer affine to CPU2 >>> IRQ53 no longer affine to CPU3 >>> IRQ54 no longer affine to CPU4 >>> IRQ55 no longer affine to CPU5 >>> IRQ56 no longer affine to CPU6 >>> cpu cpu4: Dropping the link to regulator.40 >>> IRQ57 no longer affine to CPU7 >>> Unhandled fault: external abort on non-linefetch (0x1008) at >>> 0xf081a028 >>> Internal error: : 1008 [#1] PREEMPT SMP ARM >>> >>> with last call trace in exynos_suspend_enter(). >>> >>> The abort is caused by writing to register in secure part of sysram. >>> Boards booted under secure firmware (e.g. Hardkernel Odroid boards) >>> should access non-secure sysram. >>> >>> Signed-off-by: Krzysztof Kozlowski <k...@kernel.org> >>> >> >> I could not get the suspend to ram working on my Odroid-XU4. > > Correct, resuming from suspend to RAM does not work on Exynos5422 > (yet). The patch does not add support for it. I did not write that it > works. The only thing patch does, is fixing the imprecise abort during > suspend. > > Best regards, > Krzysztof
Ok thanks for the input. Best Regards -Anand
