Messages in this thread | | | Date | Wed, 29 Apr 2015 10:45:44 -0700 | From | sathyanarayanan kuppuswamy <> | Subject | Re: [PATCH 0/2] ACPI: Translate Linux IRQ number directly from GpioInt |
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On 04/29/2015 02:26 AM, Mika Westerberg wrote: > On Tue, Apr 28, 2015 at 10:36:48AM -0700, sathyanarayanan kuppuswamy wrote: >>> This requires that the boot firmware (BIOS/coreboot) configures these pins >>> correctly (input, etc) before handing over to OS. I've tested this on Intel >>> Baytrail, Braswell and Skylake based machines where this is true. >> Why not configure the GPIO pin as input in the API itself ? > IIRC Octavian tried to do just that but it turned out that some of the > irqchip functions are called with spinlock held, which means you can't > call all gpiod_* functions there (as they might sleep). Got it. Thanks. > -- > To unsubscribe from this list: send the line "unsubscribe linux-acpi" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html >
-- Sathyanarayanan Kuppuswamy Android kernel developer
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