From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jiada Wang Subject: Re: [PATCH v2 2/2] ASoC: rsnd: ssi: remove unnesessary period_pos Date: Thu, 7 Dec 2017 21:43:05 -0800 Message-ID: <5A2A2669.4020506@mentor.com> References: <1512634956-17760-1-git-send-email-jiada_wang@mentor.com> <1512634956-17760-3-git-send-email-jiada_wang@mentor.com> <87wp1y7trw.wl%kuninori.morimoto.gx@renesas.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; Format="flowed" Content-Transfer-Encoding: 7bit Return-path: Received: from relay1.mentorg.com (relay1.mentorg.com [192.94.38.131]) by alsa0.perex.cz (Postfix) with ESMTP id 45739267B7B for ; Fri, 8 Dec 2017 06:43:07 +0100 (CET) In-Reply-To: <87wp1y7trw.wl%kuninori.morimoto.gx@renesas.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: alsa-devel-bounces@alsa-project.org To: Kuninori Morimoto Cc: alsa-devel@alsa-project.org, lgirdwood@gmail.com, linux-kernel@vger.kernel.org, tiwai@suse.com, broonie@kernel.org List-Id: alsa-devel@alsa-project.org Hi Morimoto-san On 12/07/2017 01:58 AM, Kuninori Morimoto wrote: > Hi Jiada > >> Further more, if the passed 'byte' amount to >> rsnd_ssi_pointer_update() is more than byte_per_period. >> the calculation of next_period_byte isn't correct. > Is it really happen ?? > > Basically, I have no objection about this patch, > but this explanation is very strange for me... No, I didn't see the issue, but the implementation of rsnd_ssi_pointer_update(), behaves like it knows all caller will always pass 'byte' no larger than byte_per_period, without any check internally. I am ok to remove this explanation from commit message, what do you think? Thanks, Jiada > Best regards > --- > Kuninori Morimoto