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

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On 2021-10-05 12:44, Joe Perches wrote:
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.

Ack



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