linux-kernel - Re: [PATCH v4 4/8] arm: OMAP: Move dmtimer driver out of plat-omap to drivers under clocksource

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Message-ID: <a2f06a16-2468-6b09-171a-ad96e39af3eb@linaro.org>
Date:   Fri, 8 Dec 2017 18:50:32 +0100
From:   Daniel Lezcano <daniel.lezcano@...aro.org>
To:     Ladislav Michl <ladis@...ux-mips.org>
Cc:     Keerthy <j-keerthy@...com>, tony@...mide.com, aaro.koskinen@....fi,
        thierry.reding@...il.com, t-kristo@...com, linux@...linux.org.uk,
        grygorii.strashko@...com, robh+dt@...nel.org,
        linux-omap@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-pwm@...r.kernel.org, sebastian.reichel@...labora.co.uk,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4 4/8] arm: OMAP: Move dmtimer driver out of plat-omap to
 drivers under clocksource

On 08/12/2017 18:20, Ladislav Michl wrote:
> Daniel,
> 
> On Thu, Dec 07, 2017 at 11:54:27AM +0100, Daniel Lezcano wrote:
>> On 01/12/2017 06:16, Keerthy wrote:
>>> Move the dmtimer driver out of plat-omap to clocksource.
>>> So that non-omap devices also could use this.
>>>
>>> No Code changes done to the driver file.
>>>
>>> Signed-off-by: Keerthy <j-keerthy@...com>
>>> Reviewed-by: Sebastian Reichel <sebastian.reichel@...labora.co.uk>
>>> ---
>>>
>>> Changes in v3:
>>>
>>>   * Added Sebastian's Reviewed-by.
>>>
>>> Changes in v2:
>>>
>>>   * No code changes in this v2 version. Only enhanced patch
>>>     statistics for renames.
>>>
>>>  arch/arm/plat-omap/Kconfig                            | 6 ------
>>>  arch/arm/plat-omap/Makefile                           | 1 -
>>>  drivers/clocksource/Kconfig                           | 6 ++++++
>>>  drivers/clocksource/Makefile                          | 1 +
>>>  {arch/arm/plat-omap => drivers/clocksource}/dmtimer.c | 0
>>>  5 files changed, 7 insertions(+), 7 deletions(-)
>>>  rename {arch/arm/plat-omap => drivers/clocksource}/dmtimer.c (100%)
>>
>> Take the opportunity to rename it timer-dm.c
> 
> seems the drivers/clocksource subdirectory contains what its name state.

Yes, clocksource, clockevent.

> However OMAP dual mode timers have also event capture capability, which
> I'd like to use to measure pulse/space width and pass measured values
> to IR protocol decoders.
> Do you have any idea how to split code, so that event capture capability
> could be used by other drivers?
Not 100% sure but could be drivers/pwm, using the capture API.

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