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From: Andy Shevchenko <andy@kernel.org>
To: Li Zetao <lizetao1@huawei.com>, Tony Lindgren <tony@atomide.com>
Cc: linus.walleij@linaro.org, brgl@bgdev.pl, j-keerthy@ti.com,
	vz@mleia.com, thierry.reding@gmail.com,
	u.kleine-koenig@pengutronix.de, grygorii.strashko@ti.com,
	ssantosh@kernel.org, khilman@kernel.org,
	shubhrajyoti.datta@amd.com, srinivas.neeli@amd.com,
	michal.simek@amd.com, linux-gpio@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org, linux-pwm@vger.kernel.org,
	linux-omap@vger.kernel.org
Subject: Re: [PATCH -next 02/11] gpio: davinci: Use helper function devm_clk_get_enabled()
Date: Fri, 18 Aug 2023 17:03:40 +0300	[thread overview]
Message-ID: <ZN96PKnk8gLZ/+Ug@smile.fi.intel.com> (raw)
In-Reply-To: <20230818093018.1051434-3-lizetao1@huawei.com>

On Fri, Aug 18, 2023 at 05:30:09PM +0800, Li Zetao wrote:
> Since commit 7ef9651e9792 ("clk: Provide new devm_clk helpers for
> prepared and enabled clocks"), devm_clk_get() and clk_prepare_enable()
> can now be replaced by devm_clk_get_enabled() when the driver enables
> (and possibly prepares) the clocks for the whole lifetime of the device.
> Moreover, it is no longer necessary to unprepare and disable the clocks
> explicitly.

It seems it fixes a bug that we try to remove the enabled clock on unbinding.
Maybe Tony can shed a light here. If this is the case, add a Fixes tag.
Otherwise it might be (undesired?) functional change and in any case has to
be mentioned in the commit message.

-- 
With Best Regards,
Andy Shevchenko



_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

WARNING: multiple messages have this Message-ID (diff)
From: Andy Shevchenko <andy@kernel.org>
To: Li Zetao <lizetao1@huawei.com>, Tony Lindgren <tony@atomide.com>
Cc: linus.walleij@linaro.org, brgl@bgdev.pl, j-keerthy@ti.com,
	vz@mleia.com, thierry.reding@gmail.com,
	u.kleine-koenig@pengutronix.de, grygorii.strashko@ti.com,
	ssantosh@kernel.org, khilman@kernel.org,
	shubhrajyoti.datta@amd.com, srinivas.neeli@amd.com,
	michal.simek@amd.com, linux-gpio@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org, linux-pwm@vger.kernel.org,
	linux-omap@vger.kernel.org
Subject: Re: [PATCH -next 02/11] gpio: davinci: Use helper function devm_clk_get_enabled()
Date: Fri, 18 Aug 2023 17:03:40 +0300	[thread overview]
Message-ID: <ZN96PKnk8gLZ/+Ug@smile.fi.intel.com> (raw)
In-Reply-To: <20230818093018.1051434-3-lizetao1@huawei.com>

On Fri, Aug 18, 2023 at 05:30:09PM +0800, Li Zetao wrote:
> Since commit 7ef9651e9792 ("clk: Provide new devm_clk helpers for
> prepared and enabled clocks"), devm_clk_get() and clk_prepare_enable()
> can now be replaced by devm_clk_get_enabled() when the driver enables
> (and possibly prepares) the clocks for the whole lifetime of the device.
> Moreover, it is no longer necessary to unprepare and disable the clocks
> explicitly.

It seems it fixes a bug that we try to remove the enabled clock on unbinding.
Maybe Tony can shed a light here. If this is the case, add a Fixes tag.
Otherwise it might be (undesired?) functional change and in any case has to
be mentioned in the commit message.

-- 
With Best Regards,
Andy Shevchenko



  reply	other threads:[~2023-08-18 14:04 UTC|newest]

Thread overview: 48+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-08-18  9:30 [PATCH -next 00/11] gpio: Use devm_clk_get_*() helper function to simplify the drivers Li Zetao
2023-08-18  9:30 ` Li Zetao
2023-08-18  9:30 ` [PATCH -next 01/11] gpio: cadence: Use helper function devm_clk_get_enabled() Li Zetao
2023-08-18  9:30   ` Li Zetao
2023-08-18 13:49   ` Andy Shevchenko
2023-08-18 13:49     ` Andy Shevchenko
2023-08-18  9:30 ` [PATCH -next 02/11] gpio: davinci: " Li Zetao
2023-08-18  9:30   ` Li Zetao
2023-08-18 14:03   ` Andy Shevchenko [this message]
2023-08-18 14:03     ` Andy Shevchenko
2023-08-18  9:30 ` [PATCH -next 03/11] gpio: ftgpio010: " Li Zetao
2023-08-18  9:30   ` Li Zetao
2023-08-18 13:47   ` Andy Shevchenko
2023-08-18 13:47     ` Andy Shevchenko
2023-08-18  9:30 ` [PATCH -next 04/11] gpio: lpc18xx: " Li Zetao
2023-08-18  9:30   ` Li Zetao
2023-08-18 14:07   ` Andy Shevchenko
2023-08-18 14:07     ` Andy Shevchenko
2023-08-18  9:30 ` [PATCH -next 05/11] gpio: mb86s7x: Use helper function devm_clk_get_optional_enabled() Li Zetao
2023-08-18  9:30   ` Li Zetao
2023-08-18 14:09   ` Andy Shevchenko
2023-08-18 14:09     ` Andy Shevchenko
2023-08-18  9:30 ` [PATCH -next 06/11] gpio: mvebu: Use helper function devm_clk_get_enabled() Li Zetao
2023-08-18  9:30   ` Li Zetao
2023-08-18 13:55   ` Andy Shevchenko
2023-08-18 13:55     ` Andy Shevchenko
2023-08-18  9:30 ` [PATCH -next 07/11] gpio: mxc: Use helper function devm_clk_get_optional_enabled() Li Zetao
2023-08-18  9:30   ` Li Zetao
2023-08-18 13:59   ` Andy Shevchenko
2023-08-18 13:59     ` Andy Shevchenko
2023-08-21 12:12   ` Bartosz Golaszewski
2023-08-21 12:12     ` Bartosz Golaszewski
2023-08-18  9:30 ` [PATCH -next 08/11] gpio: omap: Use helper function devm_clk_get_prepared() Li Zetao
2023-08-18  9:30   ` Li Zetao
2023-08-18 15:00   ` Andy Shevchenko
2023-08-18 15:00     ` Andy Shevchenko
2023-08-18  9:30 ` [PATCH -next 09/11] gpio: stp-xway: Use helper function devm_clk_get_enabled() Li Zetao
2023-08-18  9:30   ` Li Zetao
2023-08-18 15:11   ` Andy Shevchenko
2023-08-18 15:11     ` Andy Shevchenko
2023-08-18  9:30 ` [PATCH -next 10/11] gpio: xilinx: Use helper function devm_clk_get_optional_enabled() Li Zetao
2023-08-18  9:30   ` Li Zetao
2023-08-18 15:12   ` Andy Shevchenko
2023-08-18 15:12     ` Andy Shevchenko
2023-08-18  9:30 ` [PATCH -next 11/11] gpio: zynq: Use helper function devm_clk_get_enabled() Li Zetao
2023-08-18  9:30   ` Li Zetao
2023-08-18 15:13   ` Andy Shevchenko
2023-08-18 15:13     ` Andy Shevchenko

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