[RFC PATCH v3 1/3] mmc: sprd: Add MMC host driver for Spreadtrum SoC

Shawn Lin shawn.lin at rock-chips.com
Mon Sep 28 00:37:43 PDT 2015


On 2015/9/28 15:18, Hongtao Wu wrote:
>  >>
>
> On Thu, Sep 10, 2015 at 9:28 PM, Ulf Hansson <ulf.hansson at linaro.org
> <mailto:ulf.hansson at linaro.org>> wrote:
>  >
>  > On 14 August 2015 at 18:55, Hongtao Wu <wuht06 at gmail.com
> <mailto:wuht06 at gmail.com>> wrote:

[...]

>
> Yes, most of this data can be removed, such as caps, caps2, base_clk.
> However ocr_avail and signal_default_voltage are useful for us.
> We can't fetch ocr_avail from external regulator via
> mmc_regulator_get_supply,
> because our regulator driver can't supply mmc_regulator_get_ocrmask()
> interface for MMC driver.

Sorry for the noise but... IMO, your need to quirk your regulator driver 
stuffs rather than mmc.

> And sometimes our external regulator can not supply 3.0v or 1.8v default
> signal voltage that we expect. So this 3.0v or 1.8v default signal
> voltage are
> mandatory.
>



-- 
Best Regards
Shawn Lin




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