lkml.org 
[lkml]   [2013]   [Jan]   [18]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: [PATCH v2 0/3] x86: enable common clk and add support for Lynxpoint clocks
Date
On Friday, January 18, 2013 03:45:58 PM Mika Westerberg wrote:
> This is second iteration of the series. First revision is available here:
>
> https://lkml.org/lkml/2013/1/14/213
>
> Idea is to let the LPSS peripheral drivers to use common clk framework to
> get clock rate or enable/disable the functional clock. The discussion
> started in this thread:
>
> http://thread.gmane.org/gmane.linux.kernel/1417691
>
> In summary, there is no point in adding a special case code to the drivers
> in order to pass them a fixed clock rate, but instead x86 should just
> enable common clk subsystem and take advantage of it.
>
> We try to address that in this series. Instead of enabling the common clk
> framework by default we place it under CONFIG_X86_INTEL_LPSS config option.
> This option then selects what is necessary to support the LPSS peripheral
> drivers.
>
> We then create the Lynxpoint clock tree and populate it accordingly.
>
> Changes to previous version:
> - add config option CONFIG_X86_INTEL_LPSS
> - pass flags to acpi_create_platform_device() instead of calling
> function in drivers/acpi/scan.c
> - create the clock platform devices in drivers/acpi/acpi_platform.c
>
> Please review.
>
> Mika Westerberg (3):
> x86: add support for Intel Low Power Subsystem
> clk: x86: add support for Lynxpoint LPSS clocks
> ACPI / platform: create LPSS clocks if Lynxpoint devices are found
> during scan
>
> arch/x86/Kconfig | 10 +++++
> drivers/acpi/acpi_platform.c | 25 ++++++++++-
> drivers/acpi/internal.h | 6 ++-
> drivers/acpi/scan.c | 22 +++++-----
> drivers/clk/Makefile | 1 +
> drivers/clk/x86/Makefile | 2 +
> drivers/clk/x86/clk-lpss.c | 99 ++++++++++++++++++++++++++++++++++++++++++
> drivers/clk/x86/clk-lpss.h | 36 +++++++++++++++
> drivers/clk/x86/clk-lpt.c | 86 ++++++++++++++++++++++++++++++++++++
> 9 files changed, 275 insertions(+), 12 deletions(-)
> create mode 100644 drivers/clk/x86/Makefile
> create mode 100644 drivers/clk/x86/clk-lpss.c
> create mode 100644 drivers/clk/x86/clk-lpss.h
> create mode 100644 drivers/clk/x86/clk-lpt.c

This version looks OK to me, so if there are no objections, I'm going to
apply it.

Thanks,
Rafael


--
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.


\
 
 \ /
  Last update: 2013-01-19 02:01    [W:0.062 / U:0.068 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site