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35c3c196d3
Some SoCs like omap3 can configure GPIO irqs to use Linux generic dedicated wakeirq support. If the dedicated wakeirq is configured, the SoC will use a always-on interrupt controller to produce wake-up events. If bq24190 is configured for dedicated wakeirq, we need to check the interrupt status on PM runtime resume. This is because the Linux generic wakeirq will call pm_runtime_resume() on the device on a wakeirq. And as the bq24190 interrupt is falling edge sensitive and only active for 250 us, there will be no device interrupt seen by the runtime SoC IRQ controller. Note that this can cause spurious interrupts on omap3 devices with bq24190 connected to gpio banks 2 - 5 as there's a glitch on those pins waking from off mode as listed in "Advisory 1.45". Devices with this issue should not configure the optional wakeirq interrupt in the dts file. Acked-by: Mark Greer <mgreer@animalcreek.com> Acked-by: Liam Breck <kernel@networkimprov.net> Signed-off-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Sebastian Reichel <sre@kernel.org> |
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