Re: [RFC PATCH] ACPI / serial: Add UART change_pm support with ACPI power domain

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On Wed, Feb 06, 2013 at 02:26:26PM +0800, Lv Zheng wrote:
> This patch enables ACPI power domain on UART user devices. With this
> patch, Linux can achieve open/close based ACPI power manageability for
> UART tty ports.

So you are going to be sticking acpi_* calls into common core places all
over the kernel for stuff like this?

What's wrong with using the existing pm callbacks that are there for all
platforms to use?

greg k-h
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