Re: [PATCH] i2c: designware: Do not require clock when SSCN and FFCN are provided

From	Loc Ho <lho@apm.com>
Newsgroups	linux.kernel
Subject	Re: [PATCH] i2c: designware: Do not require clock when SSCN and FFCN are provided
Date	2015-12-17 02:00 +0100
Message-ID	<qGv5h-DM-23@gated-at.bofh.it> (permalink)
References	<qG6qf-1QP-23@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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Hi,

> The current driver uses input clock source frequency to calculate
> values for [SS|FS]_[HC|LC] registers. However, when booting ACPI, we do not
> currently have a good way to provide the frequency information.
> Instead, we can leverage the SSCN and FFCN ACPI methods, which can be used
> to directly provide these values.
>
> So, this patch removes the clock requirement when SSCN and FFCN
> are provided.
>
> Signed-off-by: Suravee Suthikulpanit <Suravee.Suthikulpanit@amd.com>

Tested on X-Gene ACPI boot with updated FW and work just fine.

-Loc
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[PATCH] i2c: designware: Do not require clock when SSCN and FFCN are provided Suravee Suthikulpanit <Suravee.Suthikulpanit@amd.com> - 2015-12-15 23:40 +0100
  Re: [PATCH] i2c: designware: Do not require clock when SSCN and FFCN  are provided Mika Westerberg <mika.westerberg@linux.intel.com> - 2015-12-16 10:50 +0100
    Re: [PATCH] i2c: designware: Do not require clock when SSCN and FFCN  are provided Suravee Suthikulpanit <Suravee.Suthikulpanit@amd.com> - 2015-12-16 15:20 +0100
      Re: [PATCH] i2c: designware: Do not require clock when SSCN and FFCN  are provided Mika Westerberg <mika.westerberg@linux.intel.com> - 2015-12-16 15:30 +0100
        Re: [PATCH] i2c: designware: Do not require clock when SSCN and FFCN  are provided Suravee Suthikulpanit <Suravee.Suthikulpanit@amd.com> - 2015-12-16 15:50 +0100
          Re: [PATCH] i2c: designware: Do not require clock when SSCN and FFCN  are provided Mika Westerberg <mika.westerberg@linux.intel.com> - 2015-12-16 16:10 +0100
  Re: [PATCH] i2c: designware: Do not require clock when SSCN and FFCN  are provided Loc Ho <lho@apm.com> - 2015-12-17 02:00 +0100

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