From mboxrd@z Thu Jan 1 00:00:00 1970 From: Joonyoung Shim Subject: Re: [PATCH 3/4] rtc: s3c: use unified functions for enable/disable of clk Date: Wed, 12 Aug 2015 19:26:52 +0900 Message-ID: <55CB1F6C.4080207@samsung.com> References: <1439292502-22912-1-git-send-email-jy0922.shim@samsung.com> <1439292502-22912-3-git-send-email-jy0922.shim@samsung.com> <55CA8EDE.8000006@samsung.com> Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Return-path: Received: from mailout1.samsung.com ([203.254.224.24]:38653 "EHLO mailout1.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752130AbbHLK0w (ORCPT ); Wed, 12 Aug 2015 06:26:52 -0400 In-reply-to: <55CA8EDE.8000006@samsung.com> Sender: linux-samsung-soc-owner@vger.kernel.org List-Id: linux-samsung-soc@vger.kernel.org To: Krzysztof Kozlowski , rtc-linux@googlegroups.com Cc: linux-kernel@vger.kernel.org, linux-samsung-soc@vger.kernel.org, a.zummo@towertech.it, alexandre.belloni@free-electrons.com, cw00.choi@samsung.com On 08/12/2015 09:10 AM, Krzysztof Kozlowski wrote: > On 11.08.2015 20:28, Joonyoung Shim wrote: >> The driver uses clk_prepare_enable()/clk_disable_unprepare() only in >> probe only, elsewhere, use the unified functions for enable/disable of >> clk, e.g. s3c_rtc_enable_clk() / s3c_rtc_disable_clk(), so it's better >> to use them for consistency of code. >> >> Signed-off-by: Joonyoung Shim >> --- >> drivers/rtc/rtc-s3c.c | 14 +++++++++----- >> 1 file changed, 9 insertions(+), 5 deletions(-) > > First of all - the code is larger (9 insertions, 5 deletion) so I have > doubts if this is better. > > Second - this is not equivalent change. The s3c_rtc_enable_clk/disable > calls grab spin lock which is not necessary in probe. > I made this patch because of patch 4/4, but patch 4/4 should be removed dependency from previous patches, so i will drop this patch. Thanks.