linux-kernel - Re: [tpmdd-devel] [PATCH 1/1] TPM: STMicroelectronics ST33 I2C KERNEL 3.x.x

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Date:	Thu, 6 Dec 2012 09:06:45 -0600
From:	Kent Yoder <key@...ux.vnet.ibm.com>
To:	Peter Hüwe <PeterHuewe@....de>
Cc:	Mathias LEBLANC <Mathias.LEBLANC@...com>,
	Jean-Luc BLANC <jean-luc.blanc@...com>,
	"Sirrix@...per.es" <Sirrix@...per.es>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Rajiv Andrade <mail@...jiv.net>,
	"tpmdd-devel@...ts.sourceforge.net" 
	<tpmdd-devel@...ts.sourceforge.net>,
	Kent Yoder <shpedoikal@...il.com>
Subject: Re: [tpmdd-devel] [PATCH 1/1] TPM: STMicroelectronics ST33 I2C
 KERNEL 3.x.x

On Thu, Dec 06, 2012 at 01:10:32AM +0100, Peter Hüwe wrote:
> Am Donnerstag, 6. Dezember 2012, 00:09:41 schrieb Kent Yoder:
> > > 
> > > > static int tpm_st33_i2c_pm_suspend(struct i2c_client *client,
> > > > pm_message_t mesg)
> > > >
> > > >...
> > > >
> > > > static int tpm_st33_i2c_pm_resume(struct i2c_client *client)
> > > >
> > > >,,,
> > > >static struct i2c_driver tpm_st33_i2c_driver = {
> > > >
> > > >	.driver = {
> > > >	
> > > >		   .owner = THIS_MODULE,
> > > >		   .name = TPM_ST33_I2C,
> > > >		   },
> > > >	
> > > >	.probe = tpm_st33_i2c_probe,
> > > >	.remove = tpm_st33_i2c_remove,
> > > >	.resume = tpm_st33_i2c_pm_resume,
> > > >	.suspend = tpm_st33_i2c_pm_suspend,
> > > >	.id_table = tpm_st33_i2c_id
> > > >
> > > >};
> > > 
> > > Please convert resume/suspend  to .driver.pm
> > > 
> > > It's pretty easy.
> > > See this post  for details
> > > http://sourceforge.net/mailarchive/message.php?msg_id=29516784
> > > Rafael did spent quite a lot of effort to convert almost every driver
> > > back then, so we should 'fix' new ones.
> > 
> > Not sure how easy this will be considering these routines are
> > i2c-specific -- they don't just call the tpm_tpm_* functions like the
> > other drivers.
> 
> Why are they really i2c-specific?
> The only i2c specific part is the i2c_get_clientdata - which calls 
> get_dev_drvdata internally.
> And I since we already get the correct struct device we don't need to use 
> TPM_VPRIV in order to access the platform data. 

 I was referring to the power mgmt stuff. Those functions take struct
device, not a i2c_client *.

Kent

> I'll send a patch - see next email.
> @Matthias: can you please test this? As I cannot do this.
> 
> 
> Thanks,
> Peter
> 
> 

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