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SubjectRe: [RFC PATCH 0/2] serial: 8250_dw: IO space + polling mode support
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On 26/02/2018 12:27, Andy Shevchenko wrote:
> On Mon, 2018-02-26 at 14:21 +0200, Andy Shevchenko wrote:
>> On Mon, 2018-02-26 at 11:56 +0000, John Garry wrote:
>
>
>>> Device (LPC0.CON0) {
>>> Name (_HID, "HISI1031")
>
>>> // Name (_CID, "PNP0501") // cannot support PNP
>
>
> One more question. What is the problem with this CID? Do you have a race
> condition in enumeration?
>

Hi Andy,

Not sure if race condition exactly. I tried enabling this CID and a pnp
device is created in pnpacpi_add_device_handler(), while we have already
marked the corresponding acpi_device to skip enumeration in ACPI scan
handler (by flagging it as a serial bus slave).

Thanks,
John

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