On 26 July 2018 at 08:22, Anand Moon <linux.amoon@xxxxxxxxx> wrote: > Hi Krzysztof, > > On 24 July 2018 at 22:19, Krzysztof Kozlowski <krzk@xxxxxxxxxx> 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 <krzk@xxxxxxxxxx> >> > > 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 -- To unsubscribe from this list: send the line "unsubscribe linux-doc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
