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<title>lwn.git/drivers/rtc/rtc-coh901331.c, branch docs-5.6</title>
<subtitle>Linux kernel documentation tree maintained by Jonathan Corbet</subtitle>
<id>http://mirrors.hust.edu.cn/git/lwn.git/atom?h=docs-5.6</id>
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<updated>2019-10-06T23:07:35+00:00</updated>
<entry>
<title>rtc: use devm_platform_ioremap_resource() to simplify code</title>
<updated>2019-10-06T23:07:35+00:00</updated>
<author>
<name>YueHaibing</name>
<email>yuehaibing@huawei.com</email>
</author>
<published>2019-10-06T10:29:20+00:00</published>
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<id>urn:sha1:09ef18bcd5ac6c2213cedd20f4f8cad08bbe3d74</id>
<content type='text'>
Use devm_platform_ioremap_resource() to simplify the code a bit.
This is detected by coccinelle.

Signed-off-by: YueHaibing &lt;yuehaibing@huawei.com&gt;
Link: https://lore.kernel.org/r/20191006102953.57536-2-yuehaibing@huawei.com
Link: https://lore.kernel.org/r/20191006102953.57536-3-yuehaibing@huawei.com
Link: https://lore.kernel.org/r/20191006102953.57536-4-yuehaibing@huawei.com
Link: https://lore.kernel.org/r/20191006102953.57536-5-yuehaibing@huawei.com
Link: https://lore.kernel.org/r/20191006102953.57536-6-yuehaibing@huawei.com
Link: https://lore.kernel.org/r/20191006102953.57536-7-yuehaibing@huawei.com
Link: https://lore.kernel.org/r/20191006102953.57536-8-yuehaibing@huawei.com
Link: https://lore.kernel.org/r/20191006102953.57536-9-yuehaibing@huawei.com
Link: https://lore.kernel.org/r/20191006102953.57536-10-yuehaibing@huawei.com
Link: https://lore.kernel.org/r/20191006102953.57536-11-yuehaibing@huawei.com
Link: https://lore.kernel.org/r/20191006102953.57536-12-yuehaibing@huawei.com
Link: https://lore.kernel.org/r/20191006102953.57536-13-yuehaibing@huawei.com
Link: https://lore.kernel.org/r/20191006102953.57536-14-yuehaibing@huawei.com
Link: https://lore.kernel.org/r/20191006102953.57536-15-yuehaibing@huawei.com
Link: https://lore.kernel.org/r/20191006102953.57536-16-yuehaibing@huawei.com
Link: https://lore.kernel.org/r/20191006102953.57536-17-yuehaibing@huawei.com
Link: https://lore.kernel.org/r/20191006102953.57536-18-yuehaibing@huawei.com
Link: https://lore.kernel.org/r/20191006102953.57536-19-yuehaibing@huawei.com
Link: https://lore.kernel.org/r/20191006102953.57536-20-yuehaibing@huawei.com
Link: https://lore.kernel.org/r/20191006102953.57536-21-yuehaibing@huawei.com
Link: https://lore.kernel.org/r/20191006102953.57536-22-yuehaibing@huawei.com
Link: https://lore.kernel.org/r/20191006102953.57536-23-yuehaibing@huawei.com
Link: https://lore.kernel.org/r/20191006102953.57536-24-yuehaibing@huawei.com
Link: https://lore.kernel.org/r/20191006102953.57536-25-yuehaibing@huawei.com
Link: https://lore.kernel.org/r/20191006102953.57536-26-yuehaibing@huawei.com
Link: https://lore.kernel.org/r/20191006102953.57536-27-yuehaibing@huawei.com
Link: https://lore.kernel.org/r/20191006102953.57536-28-yuehaibing@huawei.com
Link: https://lore.kernel.org/r/20191006102953.57536-29-yuehaibing@huawei.com
Link: https://lore.kernel.org/r/20191006102953.57536-30-yuehaibing@huawei.com
Link: https://lore.kernel.org/r/20191006102953.57536-31-yuehaibing@huawei.com
Link: https://lore.kernel.org/r/20191006102953.57536-32-yuehaibing@huawei.com
Link: https://lore.kernel.org/r/20191006102953.57536-33-yuehaibing@huawei.com
Link: https://lore.kernel.org/r/20191006102953.57536-34-yuehaibing@huawei.com
Link: https://lore.kernel.org/r/20191006102953.57536-35-yuehaibing@huawei.com
Signed-off-by: Alexandre Belloni &lt;alexandre.belloni@bootlin.com&gt;
</content>
</entry>
<entry>
<title>rtc: coh901331: convert to SPDX identifier</title>
<updated>2019-04-08T12:40:12+00:00</updated>
<author>
<name>Alexandre Belloni</name>
<email>alexandre.belloni@bootlin.com</email>
</author>
<published>2019-04-07T21:10:27+00:00</published>
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<id>urn:sha1:7d624621b704d3cfd0c6735956f5d96b24508165</id>
<content type='text'>
Use SPDX-License-Identifier instead of the custom license line.

Reviewed-by: Linus Walleij &lt;linus.walleij@linaro.org&gt;
Signed-off-by: Alexandre Belloni &lt;alexandre.belloni@bootlin.com&gt;
</content>
</entry>
<entry>
<title>rtc: coh901331: use .set_time</title>
<updated>2019-04-08T12:40:09+00:00</updated>
<author>
<name>Alexandre Belloni</name>
<email>alexandre.belloni@bootlin.com</email>
</author>
<published>2019-04-07T21:10:26+00:00</published>
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<id>urn:sha1:febad7946072dd4f0bb28f3e1a7acb3817ca29d6</id>
<content type='text'>
Use .set_time instead of the deprecated .set_mmss.

Acked-by: Linus Walleij &lt;linus.walleij@linaro.org&gt;
Signed-off-by: Alexandre Belloni &lt;alexandre.belloni@bootlin.com&gt;
</content>
</entry>
<entry>
<title>rtc: coh901331: switch to rtc_time64_to_tm/rtc_tm_to_time64</title>
<updated>2019-04-08T12:40:05+00:00</updated>
<author>
<name>Alexandre Belloni</name>
<email>alexandre.belloni@bootlin.com</email>
</author>
<published>2019-04-07T21:10:25+00:00</published>
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<id>urn:sha1:9cf2f9b5adcb8e76e55d58266c908e30ceacf837</id>
<content type='text'>
Call the 64bit versions of rtc_tm time conversion now that the range is
enforced by the core.

Acked-by: Linus Walleij &lt;linus.walleij@linaro.org&gt;
Signed-off-by: Alexandre Belloni &lt;alexandre.belloni@bootlin.com&gt;
</content>
</entry>
<entry>
<title>rtc: coh901331: set range</title>
<updated>2019-04-08T12:39:59+00:00</updated>
<author>
<name>Alexandre Belloni</name>
<email>alexandre.belloni@bootlin.com</email>
</author>
<published>2019-04-07T21:10:24+00:00</published>
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<id>urn:sha1:06cfd668ec67b2431034ea30782acdebad1440ef</id>
<content type='text'>
The COH 901 331 is a 32bit seconds counter.

Acked-by: Linus Walleij &lt;linus.walleij@linaro.org&gt;
Signed-off-by: Alexandre Belloni &lt;alexandre.belloni@bootlin.com&gt;
</content>
</entry>
<entry>
<title>rtc: coh901331: fix a missing check of clk_prepare</title>
<updated>2019-01-22T18:01:19+00:00</updated>
<author>
<name>Kangjie Lu</name>
<email>kjlu@umn.edu</email>
</author>
<published>2018-12-26T02:43:33+00:00</published>
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<id>urn:sha1:5910fa0d0d9809c4d8fbf1fb905a8c86fbf2eccb</id>
<content type='text'>
clk_prepare() could fail, so let's check its status and if it fails
return its error code upstream.

Signed-off-by: Kangjie Lu &lt;kjlu@umn.edu&gt;
Acked-by: Linus Walleij &lt;linus.walleij@linaro.org&gt;
Signed-off-by: Alexandre Belloni &lt;alexandre.belloni@bootlin.com&gt;
</content>
</entry>
<entry>
<title>headers: separate linux/mod_devicetable.h from linux/platform_device.h</title>
<updated>2018-07-07T15:52:26+00:00</updated>
<author>
<name>Randy Dunlap</name>
<email>rdunlap@infradead.org</email>
</author>
<published>2018-06-20T05:47:28+00:00</published>
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<id>urn:sha1:ac3167257b9fe16c9426c2087ead1c9f1b0992b1</id>
<content type='text'>
At over 4000 #includes, &lt;linux/platform_device.h&gt; is the 9th most
#included header file in the Linux kernel.  It does not need
&lt;linux/mod_devicetable.h&gt;, so drop that header and explicitly add
&lt;linux/mod_devicetable.h&gt; to source files that need it.

   4146 #include &lt;linux/platform_device.h&gt;

After this patch, there are 225 files that use &lt;linux/mod_devicetable.h&gt;,
for a reduction of around 3900 times that &lt;linux/mod_devicetable.h&gt;
does not have to be read &amp; parsed.

    225 #include &lt;linux/mod_devicetable.h&gt;

This patch was build-tested on 20 different arch-es.

It also makes these drivers SubmitChecklist#1 compliant.

Signed-off-by: Randy Dunlap &lt;rdunlap@infradead.org&gt;
Reported-by: kbuild test robot &lt;lkp@intel.com&gt; # drivers/media/platform/vimc/
Reported-by: kbuild test robot &lt;lkp@intel.com&gt; # drivers/pinctrl/pinctrl-u300.c
Signed-off-by: Greg Kroah-Hartman &lt;gregkh@linuxfoundation.org&gt;
</content>
</entry>
<entry>
<title>rtc: stop validating rtc_time after rtc_time_to_tm</title>
<updated>2018-03-01T09:49:41+00:00</updated>
<author>
<name>Alexandre Belloni</name>
<email>alexandre.belloni@bootlin.com</email>
</author>
<published>2018-02-19T15:23:55+00:00</published>
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<id>urn:sha1:ab62670e57174c547abbecacf6df78d3dcf03f26</id>
<content type='text'>
rtc_time_to_tm never generates an invalid tm. It is not necessary to
validate it.

Signed-off-by: Alexandre Belloni &lt;alexandre.belloni@bootlin.com&gt;
</content>
</entry>
<entry>
<title>rtc: constify rtc_class_ops structures</title>
<updated>2016-09-01T23:24:06+00:00</updated>
<author>
<name>Julia Lawall</name>
<email>julia.lawall@lip6.fr</email>
</author>
<published>2016-08-31T08:05:25+00:00</published>
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<id>urn:sha1:34c7b3ac4ccb6a972f81a4102c8ef216ca1fb155</id>
<content type='text'>
Check for rtc_class_ops structures that are only passed to
devm_rtc_device_register, rtc_device_register,
platform_device_register_data, all of which declare the corresponding
parameter as const.  Declare rtc_class_ops structures that have these
properties as const.

The semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)

// &lt;smpl&gt;
@r disable optional_qualifier@
identifier i;
position p;
@@
static struct rtc_class_ops i@p = { ... };

@ok@
identifier r.i;
expression e1,e2,e3,e4;
position p;
@@
(
devm_rtc_device_register(e1,e2,&amp;i@p,e3)
|
rtc_device_register(e1,e2,&amp;i@p,e3)
|
platform_device_register_data(e1,e2,e3,&amp;i@p,e4)
)

@bad@
position p != {r.p,ok.p};
identifier r.i;
@@
i@p

@depends on !bad disable optional_qualifier@
identifier r.i;
@@
static
+const
 struct rtc_class_ops i = { ... };
// &lt;/smpl&gt;

Signed-off-by: Julia Lawall &lt;Julia.Lawall@lip6.fr&gt;
Acked-by: Baruch Siach &lt;baruch@tkos.co.il&gt;
Acked-by: Hans Ulli Kroll &lt;ulli.kroll@googlemail.com&gt;
Acked-by: Linus Walleij &lt;linus.walleij@linaro.org&gt;
Acked-by: Thierry Reding &lt;treding@nvidia.com&gt;
Signed-off-by: Alexandre Belloni &lt;alexandre.belloni@free-electrons.com&gt;
</content>
</entry>
<entry>
<title>rtc: Fix module autoload for OF platform drivers</title>
<updated>2015-09-05T17:37:22+00:00</updated>
<author>
<name>Javier Martinez Canillas</name>
<email>javier@osg.samsung.com</email>
</author>
<published>2015-08-27T11:52:02+00:00</published>
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<id>urn:sha1:73798d5c41fdb434ccbeeec76afc8106869a98c3</id>
<content type='text'>
These platform drivers have a OF device ID table but the OF module
alias information is not created so module autoloading won't work.

Signed-off-by: Javier Martinez Canillas &lt;javier@osg.samsung.com&gt;
Acked-by: Andrew Lunn &lt;andrew@lunn.ch&gt;
Signed-off-by: Alexandre Belloni &lt;alexandre.belloni@free-electrons.com&gt;
</content>
</entry>
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