[U-Boot] [PATCH v3 2/2] x86: Introduce minimal PMU driver for Intel MID platforms

Bin Meng bmeng.cn at gmail.com
Mon Apr 10 02:01:24 UTC 2017


On Thu, Apr 6, 2017 at 11:44 AM, Simon Glass <sjg at chromium.org> wrote:
> Hi Andy,
>
> On 1 April 2017 at 07:21, Andy Shevchenko
> <andriy.shevchenko at linux.intel.com> wrote:
>> This simple PMU driver allows to tyrn power on and off for selected
>> devices. In particularly Intel Tangier needs to power on SDHCI
>> controllers in order to access to them during board initialization.
>>
>> In the future it might be expanded to cover other Intel MID platforms,
>> that's why it's located under arch/x86/lib and called pmu.c.
>>
>> Signed-off-by: Felipe Balbi <felipe.balbi at linux.intel.com>
>> Signed-off-by: Andy Shevchenko <andriy.shevchenko at linux.intel.com>
>> ---
>>  arch/x86/include/asm/cpu.h |   1 +
>>  arch/x86/include/asm/pmu.h |  11 +++++
>>  arch/x86/lib/Makefile      |   1 +
>>  arch/x86/lib/pmu.c         | 117 +++++++++++++++++++++++++++++++++++++++++++++
>>  4 files changed, 130 insertions(+)
>>  create mode 100644 arch/x86/include/asm/pmu.h
>>  create mode 100644 arch/x86/lib/pmu.c
>
> Reviewed-by: Simon Glass <sjg at chromium.org>
>
> Have you considered making this a PMIC driver? Then you could avoid
> exporting the function. Also I see that we need to do that sometimes
> with Intel platforms.

applied to u-boot-x86, thanks!


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