From: Joonyoung Shim <jy0922.shim@samsung.com>
To: Krzysztof Kozlowski <k.kozlowski@samsung.com>,
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
Subject: [rtc-linux] Re: [PATCH 3/4] rtc: s3c: use unified functions for enable/disable of clk
Date: Wed, 12 Aug 2015 19:26:52 +0900 [thread overview]
Message-ID: <55CB1F6C.4080207@samsung.com> (raw)
In-Reply-To: <55CA8EDE.8000006@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 <jy0922.shim@samsung.com>
>> ---
>> 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.
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WARNING: multiple messages have this Message-ID (diff)
From: Joonyoung Shim <jy0922.shim@samsung.com>
To: Krzysztof Kozlowski <k.kozlowski@samsung.com>,
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
Subject: Re: [PATCH 3/4] rtc: s3c: use unified functions for enable/disable of clk
Date: Wed, 12 Aug 2015 19:26:52 +0900 [thread overview]
Message-ID: <55CB1F6C.4080207@samsung.com> (raw)
In-Reply-To: <55CA8EDE.8000006@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 <jy0922.shim@samsung.com>
>> ---
>> 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.
next prev parent reply other threads:[~2015-08-12 10:26 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-08-11 11:28 [rtc-linux] [PATCH 1/4] rtc: s3c: add missing clk control Joonyoung Shim
2015-08-11 11:28 ` Joonyoung Shim
2015-08-11 11:28 ` [rtc-linux] [PATCH 2/4] rtc: s3c: remove unnecessary NULL assignment Joonyoung Shim
2015-08-11 11:28 ` Joonyoung Shim
2015-08-12 0:07 ` [rtc-linux] " Krzysztof Kozlowski
2015-08-12 0:07 ` Krzysztof Kozlowski
2015-08-20 23:07 ` [rtc-linux] " Alexandre Belloni
2015-08-20 23:07 ` Alexandre Belloni
2015-08-11 11:28 ` [rtc-linux] [PATCH 3/4] rtc: s3c: use unified functions for enable/disable of clk Joonyoung Shim
2015-08-11 11:28 ` Joonyoung Shim
2015-08-12 0:10 ` [rtc-linux] " Krzysztof Kozlowski
2015-08-12 0:10 ` Krzysztof Kozlowski
2015-08-12 10:26 ` Joonyoung Shim [this message]
2015-08-12 10:26 ` Joonyoung Shim
2015-08-11 11:28 ` [rtc-linux] [PATCH 4/4] rtc: s3c: enable/disable clocks for alarm Joonyoung Shim
2015-08-11 11:28 ` Joonyoung Shim
2015-08-12 0:28 ` [rtc-linux] " Krzysztof Kozlowski
2015-08-12 0:28 ` Krzysztof Kozlowski
2015-08-12 1:09 ` [rtc-linux] " Joonyoung Shim
2015-08-12 1:09 ` Joonyoung Shim
2015-08-12 0:06 ` [rtc-linux] Re: [PATCH 1/4] rtc: s3c: add missing clk control Krzysztof Kozlowski
2015-08-12 0:06 ` Krzysztof Kozlowski
2015-08-20 23:06 ` [rtc-linux] " Alexandre Belloni
2015-08-20 23:06 ` Alexandre Belloni
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