On 09/11/2013 06:32 AM, Rafael J. Wysocki wrote:
> On Tuesday, September 10, 2013 10:35:22 PM Mark Brown wrote:
>> On Tue, Sep 10, 2013 at 10:04:21PM +0200, Rafael J. Wysocki wrote:
>>> On Tuesday, September 10, 2013 05:13:21 PM Mark Brown wrote:
>>
OK, that is very much not the model which em
On Wednesday, September 11, 2013 6:27 AM, Olof Johansson wrote:
> On Tue, Sep 10, 2013 at 2:25 AM, Jingoo Han wrote:
> > On Tuesday, September 10, 2013 6:20 PM, Wolfram Sang wrote:
> >> On Thu, Sep 05, 2013 at 12:23:44PM -0700, Olof Johansson wrote:
> >> > commit 6d4028c644e (i2c: use dev_get_plat
From: Tim Harvey
In case of busy i2c try again to get ACK.
Signed-off-by: Tim Harvey
Tested-by: Luka Perkov
---
drivers/i2c/busses/i2c-imx.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/i2c/busses/i2c-imx.c b/drivers/i2c/busses/i2c-imx.c
index ccf4665..c64afe
Hi Magnus,
On Wednesday 11 September 2013 07:40:54 Magnus Damm wrote:
> Hi Guennadi,
>
> [CC Simon, Laurent]
>
> On Tue, Sep 10, 2013 at 12:55 AM, Guennadi Liakhovetski wrote:
> > This patch adds Device Tree support to the i2c-rcar driver and respective
> > documentation.
> >
> > Signed-off-by:
Hi Guennadi,
On Tue, Sep 10, 2013 at 12:55 AM, Guennadi Liakhovetski
wrote:
> Using the same clock for all device instances is non-portable and obtaining
> clock references by an ID without using a device pointer is discouraged.
> This is also not needed, because on platforms, where this driver i
Hi Laurent,
On Wed, Sep 11, 2013 at 7:46 AM, Laurent Pinchart
wrote:
> Hi Magnus,
>
> On Wednesday 11 September 2013 07:40:54 Magnus Damm wrote:
>> Hi Guennadi,
>>
>> [CC Simon, Laurent]
>>
>> On Tue, Sep 10, 2013 at 12:55 AM, Guennadi Liakhovetski wrote:
>> > This patch adds Device Tree support
Hi Guennadi,
[CC Simon, Laurent]
On Tue, Sep 10, 2013 at 12:55 AM, Guennadi Liakhovetski
wrote:
> This patch adds Device Tree support to the i2c-rcar driver and respective
> documentation.
>
> Signed-off-by: Guennadi Liakhovetski
> ---
> Documentation/devicetree/bindings/i2c/i2c-rcar.txt | 2
Hi Guennadi,
On Tue, Sep 10, 2013 at 12:55 AM, Guennadi Liakhovetski
wrote:
> There is no need to repeatedly query clock frequency, where it is not
> expected to change. The complete loop can also trivially be replaced with
> a simple division. A further loop below the one, being simplified, coul
On Tuesday, September 10, 2013 10:35:22 PM Mark Brown wrote:
> On Tue, Sep 10, 2013 at 10:04:21PM +0200, Rafael J. Wysocki wrote:
> > On Tuesday, September 10, 2013 05:13:21 PM Mark Brown wrote:
>
> > > OK, that is very much not the model which embedded systems follow, in
> > > embedded systems th
On Tue, Sep 10, 2013 at 10:04:21PM +0200, Rafael J. Wysocki wrote:
> On Tuesday, September 10, 2013 05:13:21 PM Mark Brown wrote:
> > OK, that is very much not the model which embedded systems follow, in
> > embedded systems the driver for the device is fully in control of its
> > own power. It g
On Tue, Sep 10, 2013 at 2:25 AM, Jingoo Han wrote:
> On Tuesday, September 10, 2013 6:20 PM, Wolfram Sang wrote:
>> On Thu, Sep 05, 2013 at 12:23:44PM -0700, Olof Johansson wrote:
>> > commit 6d4028c644e (i2c: use dev_get_platdata()) did a bad conversion
>> > of this one case:
>> >
>> > drivers/i2
On Tuesday, September 10, 2013 05:13:21 PM Mark Brown wrote:
> On Tue, Sep 10, 2013 at 05:26:31PM +0300, Mika Westerberg wrote:
> > On Tue, Sep 10, 2013 at 01:27:54PM +0100, Mark Brown wrote:
>
> > > > There is one difference though -- runtime PM is now blocked by default
> > > > and
> > > > it n
On Tue, Sep 10, 2013 at 05:26:31PM +0300, Mika Westerberg wrote:
> On Tue, Sep 10, 2013 at 01:27:54PM +0100, Mark Brown wrote:
> > > There is one difference though -- runtime PM is now blocked by default and
> > > it needs to be unblocked from the userspace per each device.
> > ...as you say.
>
On Tue, Sep 10, 2013 at 06:10:56PM +0300, Ivan T. Ivanov wrote:
> On Tue, 2013-09-10 at 08:46 -0500, Josh Cartwright wrote:
> > Hey Ivan-
> >
> > Some nits below.
> >
> > On Thu, Aug 29, 2013 at 04:27:53PM +0300, Ivan T. Ivanov wrote:
[..]
> > > +static int qup_i2c_probe(struct platform_device *
Hi,
On Tue, 2013-09-10 at 08:59 -0500, Josh Cartwright wrote:
> [Hmm. Fixing b0rked LKML address; that might explain why I am not
> seeing Kumar's replies.]
>
Yes, sorry about this.
> On Tue, Sep 10, 2013 at 03:08:57PM +0300, Ivan T. Ivanov wrote:
> > Hi Kumar,
> >
> > On Fri, 2013-08-30 at
Hi,
On Tue, 2013-09-10 at 08:46 -0500, Josh Cartwright wrote:
> Hey Ivan-
>
> Some nits below.
>
> On Thu, Aug 29, 2013 at 04:27:53PM +0300, Ivan T. Ivanov wrote:
> > From: "Ivan T. Ivanov"
> >
> > This bus driver supports the QUP i2c hardware controller in the Qualcomm
> > MSM SOCs. The Q
On Tue, Sep 10, 2013 at 01:27:54PM +0100, Mark Brown wrote:
> On Tue, Sep 10, 2013 at 10:51:00AM +0300, Mika Westerberg wrote:
> > On Mon, Sep 09, 2013 at 04:40:28PM +0100, Mark Brown wrote:
>
> > > How is this going to interact with client devices which are already
> > > enabling runtime PM for t
[Hmm. Fixing b0rked LKML address; that might explain why I am not
seeing Kumar's replies.]
On Tue, Sep 10, 2013 at 03:08:57PM +0300, Ivan T. Ivanov wrote:
> Hi Kumar,
>
> On Fri, 2013-08-30 at 10:21 -0500, Kumar Gala wrote:
> > On Aug 29, 2013, at 12:26 PM, Ivan T. Ivanov wrote:
> > >>> +
> > >
Hey Ivan-
Some nits below.
On Thu, Aug 29, 2013 at 04:27:53PM +0300, Ivan T. Ivanov wrote:
> From: "Ivan T. Ivanov"
>
> This bus driver supports the QUP i2c hardware controller in the Qualcomm
> MSM SOCs. The Qualcomm Universal Peripheral Engine (QUP) is a general
> purpose data path engine wi
On Tue, Sep 10, 2013 at 10:51:00AM +0300, Mika Westerberg wrote:
> On Mon, Sep 09, 2013 at 04:40:28PM +0100, Mark Brown wrote:
> > How is this going to interact with client devices which are already
> > enabling runtime PM for themselves, and what are the advantages of doing
> > this over having t
Hi Kumar,
On Fri, 2013-08-30 at 10:21 -0500, Kumar Gala wrote:
> On Aug 29, 2013, at 12:26 PM, Ivan T. Ivanov wrote:
> >>> +
> >>> +Optional properties :
> >>> + - Child nodes conforming to i2c bus binding
> >>> + - clock-frequency : Desired I2C bus clock frequency in Hz. If
> >>> + n
On Tuesday, September 10, 2013 10:51:00 AM Mika Westerberg wrote:
> On Mon, Sep 09, 2013 at 04:40:28PM +0100, Mark Brown wrote:
> > On Mon, Sep 09, 2013 at 04:34:38PM +0300, Mika Westerberg wrote:
> >
> > > + /*
> > > + * Enable runtime PM for the client device. If the client wants to
> > > + *
On Tuesday, September 10, 2013 6:20 PM, Wolfram Sang wrote:
> On Thu, Sep 05, 2013 at 12:23:44PM -0700, Olof Johansson wrote:
> > commit 6d4028c644e (i2c: use dev_get_platdata()) did a bad conversion
> > of this one case:
> >
> > drivers/i2c/busses/i2c-davinci.c: In function 'davinci_i2c_probe':
>
On Thu, Sep 05, 2013 at 12:23:44PM -0700, Olof Johansson wrote:
> commit 6d4028c644e (i2c: use dev_get_platdata()) did a bad conversion
> of this one case:
>
> drivers/i2c/busses/i2c-davinci.c: In function 'davinci_i2c_probe':
> drivers/i2c/busses/i2c-davinci.c:665:2: warning: passing argument 1 o
On Mon, Sep 09, 2013 at 04:40:28PM +0100, Mark Brown wrote:
> On Mon, Sep 09, 2013 at 04:34:38PM +0300, Mika Westerberg wrote:
>
> > + /*
> > +* Enable runtime PM for the client device. If the client wants to
> > +* participate on runtime PM it should call pm_runtime_put() in its
> > +
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