From: Shawn Lin <shawn.lin@rock-chips.com>
To: Hongtao Wu <wuht06@gmail.com>
Cc: "Ulf Hansson" <ulf.hansson@linaro.org>,
shawn.lin@rock-chips.com, linux-mmc <linux-mmc@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"Rob Herring" <robh+dt@kernel.org>,
"Paweł Moll" <pawel.moll@arm.com>,
"Mark Rutland" <mark.rutland@arm.com>,
"Ian Campbell" <ijc+devicetree@hellion.org.uk>,
"Kumar Gala" <galak@codeaurora.org>,
"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
"Catalin Marinas" <catalin.marinas@arm.com>,
"Will Deacon" <will.deacon@arm.com>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
"Orson.Zhai@spreadtrum.com" <Orson.Zhai@spreadtrum.com>,
"Chunyan.Zhang@spreadtrum.com" <Chunyan.Zhang@spreadtrum.com>,
"Jason.Wu@spreadtrum.com" <Jason.Wu@spreadtrum.com>
Subject: Re: [RFC PATCH v3 1/3] mmc: sprd: Add MMC host driver for Spreadtrum SoC
Date: Mon, 28 Sep 2015 15:37:43 +0800 [thread overview]
Message-ID: <5608EE47.1020402@rock-chips.com> (raw)
In-Reply-To: <CAG_R4_VTXCV4NVMOwv-9F56-_pVsK0hU4go79ZhV3OFxwcF0mA@mail.gmail.com>
On 2015/9/28 15:18, Hongtao Wu wrote:
> >>
>
> On Thu, Sep 10, 2015 at 9:28 PM, Ulf Hansson <ulf.hansson@linaro.org
> <mailto:ulf.hansson@linaro.org>> wrote:
> >
> > On 14 August 2015 at 18:55, Hongtao Wu <wuht06@gmail.com
> <mailto:wuht06@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
WARNING: multiple messages have this Message-ID (diff)
From: shawn.lin@rock-chips.com (Shawn Lin)
To: linux-arm-kernel@lists.infradead.org
Subject: [RFC PATCH v3 1/3] mmc: sprd: Add MMC host driver for Spreadtrum SoC
Date: Mon, 28 Sep 2015 15:37:43 +0800 [thread overview]
Message-ID: <5608EE47.1020402@rock-chips.com> (raw)
In-Reply-To: <CAG_R4_VTXCV4NVMOwv-9F56-_pVsK0hU4go79ZhV3OFxwcF0mA@mail.gmail.com>
On 2015/9/28 15:18, Hongtao Wu wrote:
> >>
>
> On Thu, Sep 10, 2015 at 9:28 PM, Ulf Hansson <ulf.hansson@linaro.org
> <mailto:ulf.hansson@linaro.org>> wrote:
> >
> > On 14 August 2015 at 18:55, Hongtao Wu <wuht06@gmail.com
> <mailto:wuht06@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
next prev parent reply other threads:[~2015-09-28 7:38 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-08-14 16:55 [RFC PATCH v3 0/3] Add MMC host driver for Spreadtrum SoC Hongtao Wu
2015-08-14 16:55 ` [RFC PATCH v3 1/3] mmc: sprd: " Hongtao Wu
[not found] ` <1439571353-30165-2-git-send-email-wuht06-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2015-09-10 13:28 ` Ulf Hansson
2015-09-10 13:28 ` Ulf Hansson
2015-09-10 13:28 ` Ulf Hansson
2015-09-28 7:18 ` Hongtao Wu
2015-09-28 7:37 ` Shawn Lin [this message]
2015-09-28 7:37 ` Shawn Lin
2015-09-28 7:57 ` Hongtao Wu
2015-10-06 9:18 ` Ulf Hansson
2015-10-06 9:18 ` Ulf Hansson
2015-10-08 13:37 ` Hongtao Wu
2015-10-08 13:37 ` Hongtao Wu
[not found] ` <CAG_R4_X3kQj5xSA5KLyu75aqusPNXj0H4Xqx+m+5Sg5cZ15bBg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-10-08 13:54 ` Ulf Hansson
2015-10-08 13:54 ` Ulf Hansson
2015-10-08 13:54 ` Ulf Hansson
2015-10-09 13:23 ` Hongtao Wu
2015-10-09 13:23 ` Hongtao Wu
2015-08-14 16:55 ` [RFC PATCH v3 2/3] Documentation: Add Spreadtrum MMC DT bindings Hongtao Wu
2015-08-14 16:55 ` [RFC PATCH v3 3/3] DT: Add MMC nodes in Spreadtrum DT files Hongtao Wu
2015-09-10 11:23 ` [RFC PATCH v3 0/3] Add MMC host driver for Spreadtrum SoC Ulf Hansson
2015-09-10 11:23 ` Ulf Hansson
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