linux-kernel - Re: [RFC 4/7] soc: qcom: Add Shared Memory Manager driver

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Message-ID: <20140930141505.GJ28481@sonymobile.com>
Date:	Tue, 30 Sep 2014 07:15:06 -0700
From:	Bjorn Andersson <bjorn.andersson@...ymobile.com>
To:	Kiran Padwal <kiran.padwal@...rtplayin.com>
CC:	Kumar Gala <galak@...eaurora.org>,
	Andy Gross <agross@...eaurora.org>,
	Arnd Bergmann <arnd@...db.de>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-arm-msm@...r.kernel.org" <linux-arm-msm@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Grant Likely <grant.likely@...aro.org>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Lee Jones <lee.jones@...aro.org>,
	Liam Girdwood <lgirdwood@...il.com>,
	Mark Brown <broonie@...nel.org>,
	Mark Rutland <mark.rutland@....com>,
	Pawel Moll <pawel.moll@....com>,
	Rob Herring <robh+dt@...nel.org>,
	Samuel Ortiz <sameo@...ux.intel.com>,
	Suman Anna <s-anna@...com>
Subject: Re: [RFC 4/7] soc: qcom: Add Shared Memory Manager driver

On Mon 29 Sep 23:28 PDT 2014, Kiran Padwal wrote:

> 
> Hi,
> 
> On Tuesday 30 September 2014 11:47 AM, Kiran Padwal wrote:
> > Hi Bjorn,
> > 
> > On Tuesday 30 September 2014 06:04 AM, Bjorn Andersson wrote:
[..]
> >> +	smem->hwlock = of_hwspin_lock_request(pdev->dev.of_node, NULL);
> > 
> > Compilation breaks while I try to compile with this patch.
> > Do I missing anything? Below is the error I am getting,
> > 
> > drivers/soc/qcom/qcom_smem.c: In function ‘qcom_smem_probe’:
> > drivers/soc/qcom/qcom_smem.c:274:2: error: implicit declaration of function ‘of_hwspin_lock_request’ [-Werror=implicit-function-declaration]
> >   smem->hwlock = of_hwspin_lock_request(pdev->dev.of_node, NULL)
> 
> I am sorry I missed the note in commit message of this patch. I did look for any such note in cover letter 
> and also googled around for any change to find this function.
> Could not find and hence posted comment. Please ignore.
> 

I respun this ontop of Suman Anna's latest hwspinlock patches [1] and [2].

The above code should now be:

        hwlock_id = of_hwspin_lock_get_id(pdev->dev.of_node, 0);
	smem->hwlock = hwspin_lock_request_specific(hwlock_id);

Will include this in the next spin.

[1] https://patchwork.kernel.org/patch/4898051/
[2] https://patchwork.kernel.org/patch/4898071/

Regards,
Bjorn
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