Re: [PATCH V0 4/7] usb: common: eud: Added the driver support for Embedded USB Debugger(EUD)

Joe Perches
2021-10-05T07:14:38Z

On Mon, 2021-10-04 at 09:42 -0700, Bjorn Andersson wrote:
> On Mon 04 Oct 04:16 PDT 2021, Souradeep Chowdhury wrote:
>
> > Add support for control peripheral of EUD (Embedded USB Debugger) to
> > listen to events such as USB attach/detach, pet EUD to indicate software
> > is functional.Reusing the platform device kobj, sysfs entry 'enable' is
> > created to enable or disable EUD.
[]
> > diff --git a/drivers/usb/common/qcom_eud.c b/drivers/usb/common/qcom_eud.c
[]
> > +static ssize_t enable_show(struct device *dev,
> > + struct device_attribute *attr, char *buf)
> > +{
> > + struct eud_chip *chip = dev_get_drvdata(dev);
> > +
> > + return sprintf(buf, "%d", chip->enable);

trivia:

should probably use sysfs_emit and have a trailing '\n' in the format.