linux-kernel - Re: [PATCH v3 1/1] drm/panfrost: Replace fdinfo's profiling debugfs knob with sysfs

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Date: Mon, 11 Mar 2024 11:00:27 +0100
From: Boris Brezillon <boris.brezillon@...labora.com>
To: Adrián Larumbe <adrian.larumbe@...labora.com>
Cc: robh@...nel.org, steven.price@....com, airlied@...il.com,
 daniel@...ll.ch, maarten.lankhorst@...ux.intel.com, mripard@...nel.org,
 tzimmermann@...e.de, corbet@....net, kernel@...labora.com,
 linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org,
 linux-doc@...r.kernel.org
Subject: Re: [PATCH v3 1/1] drm/panfrost: Replace fdinfo's profiling debugfs
 knob with sysfs

On Wed,  6 Mar 2024 01:56:36 +0000
Adrián Larumbe <adrian.larumbe@...labora.com> wrote:

>  
> +static ssize_t profiling_show(struct device *dev,
> +			      struct device_attribute *attr, char *buf)
> +{
> +	struct panfrost_device *pfdev = dev_get_drvdata(dev);
> +
> +	return sysfs_emit(buf, "%d\n", pfdev->profile_mode);
> +}
> +
> +

Dropped the extra blank and queued the patch to drm-misc-next.

> +static ssize_t profiling_store(struct device *dev,
> +			       struct device_attribute *attr,
> +			       const char *buf, size_t len)
> +{
> +	struct panfrost_device *pfdev = dev_get_drvdata(dev);
> +	bool value;
> +	int err;
> +
> +	err = kstrtobool(buf, &value);
> +	if (err)
> +		return err;
> +
> +	pfdev->profile_mode = value;
> +
> +	return len;
> +}