[PATCH v3 2/2] i2c: New bus driver for the Qualcomm QUP I2C controller

Bjorn Andersson bjorn.andersson at sonymobile.com
Mon Feb 24 12:51:52 EST 2014


On Thu 20 Feb 16:52 PST 2014, Joe Perches wrote:

> On Thu, 2014-02-20 at 16:38 -0800, Bjorn Andersson wrote:
> > This bus driver supports the QUP i2c hardware controller in the Qualcomm SOCs.
> > The Qualcomm Universal Peripheral Engine (QUP) is a general purpose data path
> > engine with input/output FIFOs and an embedded i2c mini-core. The driver
> > supports FIFO mode (for low bandwidth applications) and block mode (interrupt
> > generated for each block-size data transfer).
> 
> trivia:
> 
> > diff --git a/drivers/i2c/busses/i2c-qup.c b/drivers/i2c/busses/i2c-qup.c
> []
> > +#ifdef CONFIG_PM_SLEEP
> > +static int qup_i2c_suspend(struct device *device)
> > +{
> > +	dev_dbg(device, "system suspend");
> > +	qup_i2c_pm_suspend_runtime(device);
> > +	return 0;
> > +}
> > +
> > +static int qup_i2c_resume(struct device *device)
> > +{
> > +	dev_dbg(device, "system resume");
> > +	qup_i2c_pm_resume_runtime(device);
> > +	pm_runtime_mark_last_busy(device);
> > +	pm_request_autosuspend(device);
> > +	return 0;
> > +}
> > +#endif
> 
> Missing terminating newlines for dev_dbg statements.

Thanks Joe, missed those.

Regards,
Bjorn



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