linux-kernel - Re: [PATCH 2/3] misc: add sysfs control driver for ST M24LR series RFID/NFC chips

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Message-ID: <2025053149-karate-stooge-8bc1@gregkh>
Date: Sat, 31 May 2025 10:25:15 +0200
From: Greg KH <gregkh@...uxfoundation.org>
To: Abd-Alrhman Masalkhi <abd.masalkhi@...il.com>
Cc: linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
	robh@...nel.org, krzk+dt@...nel.org, conor+dt@...nel.org,
	arnd@...db.de
Subject: Re: [PATCH 2/3] misc: add sysfs control driver for ST M24LR series
 RFID/NFC chips

On Sat, May 31, 2025 at 08:11:58AM +0000, Abd-Alrhman Masalkhi wrote:
> +	return scnprintf(buf, PAGE_SIZE, "%llx\n", val);

Please use sysfs_emit() for writing data out in sysfs show callbacks.

thanks,

greg k-h