From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtpout-02.galae.net (smtpout-02.galae.net [185.246.84.56]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6C9BC285C91 for ; Wed, 10 Dec 2025 16:21:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.246.84.56 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1765383684; cv=none; b=LQDpgf7OJROKTKjjiyhR96d2xUOeURrrxaUdrKLLz20yfDoGT0plREo5znrK2bvsIeZnMypUH65pXajSVOcyoQxAFADsSMrjCrZm4G+OUpToWsQKVNkFjx/HmVcLUX2eMvGLBCTHLAc4Fl4LPj35YRvqIU5ntxnwGGRrtek1Uf0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1765383684; c=relaxed/simple; bh=RmtFQW058jFyZPwaBAgs/3026PZOGN/txJs8SmkyAPU=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=qBbZWiDMpe6iS7fQI86YJH7gbuTuPPQYJ8rRsLtmdKhScMZ1jNVMoMulhnLizJBnF3BaxRgaNF/lbIssBXU/5mwEtuHMWVXYHVF2QvcTwdsYlC09Q6pz+5HsNSPvg2dswajE4HQ08CAoGIxBWeVrCUc9JC1/HHFuw15PfSIyZQA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com; spf=pass smtp.mailfrom=bootlin.com; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b=Wu7XekLR; arc=none smtp.client-ip=185.246.84.56 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=bootlin.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b="Wu7XekLR" Received: from smtpout-01.galae.net (smtpout-01.galae.net [212.83.139.233]) by smtpout-02.galae.net (Postfix) with ESMTPS id 46EE51A20B0; Wed, 10 Dec 2025 16:21:18 +0000 (UTC) Received: from mail.galae.net (mail.galae.net [212.83.136.155]) by smtpout-01.galae.net (Postfix) with ESMTPS id 11EAE60714; Wed, 10 Dec 2025 16:21:18 +0000 (UTC) Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id D98C81193198E; Wed, 10 Dec 2025 17:21:16 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=dkim; t=1765383677; h=from:subject:date:message-id:to:cc:mime-version:content-type: in-reply-to:references; bh=OdGr09HP83+NAUHKuwMuLXwfvLUxdEDkI8tUEqLsaMQ=; b=Wu7XekLR9/fynI5po2VSzwUNSs3vOjgf7NEqXn6mvqaUSKgOWYpctF0LI13TL0W3PQ+ZiD QNenhX+xuKDnjZKLSXOkEfuuiXuOAMoE31U5vDql0dq6NK05VDNIVcSBZosn+bPaL2s4+D 2tVzWr0JNsgfl1B02nrM/RBW6L4NGN/6AONeEidvc6FXe9BXJUiiZDsZ7B4Cw9iB0HZ+/m fhxnX5QOyqsWSNQUZykhTlAQ9Hr+e3lZhaieQwbmXTym7QmUSMAdqQ0XodrMEy83BROu+p djLOOqnBWPlOLUsDmGIHGitZu2SKSNOPEGu8iSV7oyUfde2s7Jots8uuqqlTTg== Date: Wed, 10 Dec 2025 17:21:16 +0100 From: Alexandre Belloni To: adrianhoyin.ng@altera.com Cc: Frank.Li@nxp.com, linux-i3c@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v7 1/5] i3c: add sysfs entry for Device NACK Retry count Message-ID: <202512101621169fc49b8c@mail.local> References: <35bb0a3cae4664dc423ef57a1ef3ebcb378bce00.1765177110.git.adrianhoyin.ng@altera.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <35bb0a3cae4664dc423ef57a1ef3ebcb378bce00.1765177110.git.adrianhoyin.ng@altera.com> X-Last-TLS-Session-Version: TLSv1.3 On 08/12/2025 15:11:16+0800, adrianhoyin.ng@altera.com wrote: > From: Adrian Ng Ho Yin > > Document sysfs attribute dev_nack_retry_cnt that controls the number of > automatic retries performed by the I3C controller when a target device > returns a NACK > > Signed-off-by: Adrian Ng Ho Yin > Reviewed-by: Frank Li > --- > Documentation/ABI/testing/sysfs-bus-i3c | 12 ++++++++++++ > 1 file changed, 12 insertions(+) > Please squash 1/5 and 2/5. > diff --git a/Documentation/ABI/testing/sysfs-bus-i3c b/Documentation/ABI/testing/sysfs-bus-i3c > index c812ab180ff4..0b8a0c223f4a 100644 > --- a/Documentation/ABI/testing/sysfs-bus-i3c > +++ b/Documentation/ABI/testing/sysfs-bus-i3c > @@ -161,3 +161,15 @@ Contact: linux-i3c@vger.kernel.org > Description: > These directories are just symbolic links to > /sys/bus/i3c/devices/i3c-/-. > + > +What: /sys/bus/i3c/devices/i3c-/-/dev_nack_retry_count > +KernelVersion: 6.18 > +Contact: linux-i3c@vger.kernel.org > +Description: > + Expose the dev_nak_retry_count which controls the number of > + automatic retries that will be performed by the controller when > + the target device returns a NACK response. A value of 0 disables > + the automatic retries. A max value of 3 can be configured. Exist > + only when I3C constroller supports this retry on nack feature. > + > + Valid values: 0-3 > -- > 2.49.GIT > -- Alexandre Belloni, co-owner and COO, Bootlin Embedded Linux and Kernel engineering https://bootlin.com