linux-kernel - Re: [PATCH v3 2/6] pinctrl: Introduce pinctrl driver for Qualcomm SSBI PMIC's

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Message-ID: <20141104022544.GB24501@sonymobile.com>
Date:	Mon, 3 Nov 2014 18:25:45 -0800
From:	Bjorn Andersson <bjorn.andersson@...ymobile.com>
To:	Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
CC:	Bjorn Andersson <bjorn@...o.se>,
	"Ivan T. Ivanov" <iivanov@...sol.com>,
	Linus Walleij <linus.walleij@...aro.org>,
	Grant Likely <grant.likely@...aro.org>,
	Rob Herring <robh+dt@...nel.org>,
	"linux-arm-msm@...r.kernel.org" <linux-arm-msm@...r.kernel.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3 2/6] pinctrl: Introduce pinctrl driver for Qualcomm
 SSBI PMIC's

On Mon 03 Nov 00:48 PST 2014, Srinivas Kandagatla wrote:

> Hi Bjorn,
> 
> On 20/08/14 23:13, Bjorn Andersson wrote:
> > On Wed, Aug 20, 2014 at 2:28 PM, Bjorn Andersson
> > <bjorn.andersson@...ymobile.com> wrote:
> >> On Wed 20 Aug 01:06 PDT 2014, Srinivas Kandagatla wrote:
> >>> 2> Looking back at v3.4 kernel, for gpio modes, BIT(0) of bank 0 is set
> >>> to enable gpio mode. without this bit driver does not work for output pins.
> >>>
> >>
> >> Thanks, I missed that.
> >>
> >> Unfortunately, setting that bit results in input not working - the interrupt
> >> bits are never set for gpios that have that bit set. I'm trying to figure out
> >> why this is the case before sending out the new version...
> >
> > With help from Andy Gross this is now corrected as well, turned out
> > that BIT(0) in bank0 controls if the "direction" is considered. As I
> > was tricked by the multiple levels of indirection in the codeaurora
> > version I got these wrong.
> >
> > Will send out an updated version shortly.
> Did you get a chance to spin a new version of this patcheset?
> 

Hi Srini,

Unfortunately it ended up on my todo list waiting for a discussion on
irq_read_line(). As this seems to fall in place I will try to get this updated
and sent out.

Sorry for the delays.

Regards,
Bjorn
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