From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Cc: Mario Limonciello <mario.limonciello@amd.com>,
Herbert Xu <herbert@gondor.apana.org.au>,
Wolfram Sang <wsa@kernel.org>,
linux-i2c@vger.kernel.org, linux-kernel@vger.kernel.org,
Mika Westerberg <mika.westerberg@linux.intel.com>,
Jan Dabros <jsd@semihalf.com>, Andi Shyti <andi.shyti@kernel.org>,
Philipp Zabel <p.zabel@pengutronix.de>,
Hans de Goede <hdegoede@redhat.com>
Subject: Re: [PATCH v3 02/25] i2c: designware: Fix PM calls order in dw_i2c_plat_probe()
Date: Wed, 15 Nov 2023 15:48:20 +0200 [thread overview]
Message-ID: <ZVTMJA5JsQI13dhz@smile.fi.intel.com> (raw)
In-Reply-To: <e299ee44-7de1-4542-828d-a0c86b217fb4@linux.intel.com>
On Wed, Nov 15, 2023 at 01:14:36PM +0200, Jarkko Nikula wrote:
> On 11/10/23 20:11, Andy Shevchenko wrote:
> > We should not mix managed calls with non-managed. This will break
> > the calls order at the error path and ->remove() stages. Fix this
> > by wrapping PM ops to become managed one.
> >
> > Fixes: 36d48fb5766a ("i2c: designware-platdrv: enable RuntimePM before registering to the core")
> > Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
>
> I fail to see what was broken in above commit and how this patch fixes it?
The order of the unwiding probed flow is broken now as devm_*() mixed with
non-devm_*() calls. This makes all non-devm_*() calls that interleave devm_*()
ones to be also devm_*()-wrapped.
...
> Is it intended change the reset isn't asserted after this patch in case
> i2c_dw_probe() fails?
Did you miss that this is become managed with this patch and hence the above
is false scenario?
--
With Best Regards,
Andy Shevchenko
next prev parent reply other threads:[~2023-11-15 13:48 UTC|newest]
Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-11-10 18:11 [PATCH v3 00/25] i2c: designware: code consolidation & cleanups Andy Shevchenko
2023-11-10 18:11 ` [PATCH v3 01/25] i2c: designware: Delete adapter before disabling in i2c_dw_pci_remove() Andy Shevchenko
2023-11-15 9:45 ` Jarkko Nikula
2023-11-15 13:49 ` Andy Shevchenko
2023-11-10 18:11 ` [PATCH v3 02/25] i2c: designware: Fix PM calls order in dw_i2c_plat_probe() Andy Shevchenko
2023-11-15 11:14 ` Jarkko Nikula
2023-11-15 13:48 ` Andy Shevchenko [this message]
2023-11-15 13:51 ` Andy Shevchenko
2023-11-10 18:11 ` [PATCH v3 03/25] i2c: designware: Fix reset call " Andy Shevchenko
2023-11-15 11:26 ` Jarkko Nikula
2023-11-10 18:11 ` [PATCH v3 04/25] i2c: designware: Let PCI core to take care about interrupt vectors Andy Shevchenko
2023-11-15 12:08 ` Jarkko Nikula
2023-11-15 13:54 ` Andy Shevchenko
2023-11-10 18:11 ` [PATCH v3 05/25] i2c: designware: Fix lock probe call order in dw_i2c_plat_probe() Andy Shevchenko
2023-11-10 18:11 ` [PATCH v3 06/25] i2c: designware: Replace a while-loop by for-loop Andy Shevchenko
2023-11-10 19:40 ` Mario Limonciello
2023-11-17 13:51 ` Jarkko Nikula
2023-11-10 18:11 ` [PATCH v3 07/25] i2c: designware: Save pointer to semaphore callbacks instead of index Andy Shevchenko
2023-11-17 13:51 ` Jarkko Nikula
2023-11-10 18:11 ` [PATCH v3 08/25] i2c: designware: Add missing 'c' into PCI IDs variable name Andy Shevchenko
2023-11-17 13:51 ` Jarkko Nikula
2023-11-10 18:11 ` [PATCH v3 09/25] i2c: designware: Replace MODULE_ALIAS() with MODULE_DEVICE_TABLE() Andy Shevchenko
2023-11-10 19:39 ` Mario Limonciello
2023-11-17 14:07 ` Jarkko Nikula
2023-11-10 18:11 ` [PATCH v3 10/25] i2c: designware: Unify terminator in device ID tables Andy Shevchenko
2023-11-10 19:38 ` Mario Limonciello
2023-11-17 14:18 ` Jarkko Nikula
2023-11-20 14:17 ` Andy Shevchenko
2023-11-17 14:08 ` Jarkko Nikula
2023-11-10 18:11 ` [PATCH v3 11/25] i2c: designware: Always provide " Andy Shevchenko
2023-11-10 18:11 ` [PATCH v3 12/25] i2c: designware: Drop return value from i2c_dw_acpi_configure() Andy Shevchenko
2023-11-17 14:46 ` Jarkko Nikula
2023-11-10 18:11 ` [PATCH v3 13/25] i2c: designware: Drop return value from dw_i2c_of_configure() Andy Shevchenko
2023-11-10 19:41 ` Mario Limonciello
2023-11-17 14:19 ` Jarkko Nikula
2023-11-10 18:11 ` [PATCH v3 14/25] i2c: designware: Rename dw_i2c_of_configure() -> i2c_dw_of_configure() Andy Shevchenko
2023-11-10 19:39 ` Mario Limonciello
2023-11-17 14:46 ` Jarkko Nikula
2023-11-10 18:11 ` [PATCH v3 15/25] i2c: designware: Consolidate firmware parsing and configuring code Andy Shevchenko
2023-11-10 18:11 ` [PATCH v3 16/25] i2c: designware: Unify the firmware type checks Andy Shevchenko
2023-11-10 18:11 ` [PATCH v3 17/25] i2c: designware: Move exports to I2C_DW namespaces Andy Shevchenko
2023-11-10 18:11 ` [PATCH v3 18/25] i2c: designware: Remove ->disable() callback Andy Shevchenko
2023-11-14 15:03 ` Jarkko Nikula
2023-11-10 18:11 ` [PATCH v3 19/25] i2c: designware: Consolidate PM ops Andy Shevchenko
2023-11-10 18:11 ` [PATCH v3 20/25] i2c: designware: Uninline i2c_dw_probe() Andy Shevchenko
2023-11-10 18:11 ` [PATCH v3 21/25] i2c: designware: Propagate firmware node Andy Shevchenko
2023-11-10 18:11 ` [PATCH v3 22/25] i2c: designware: Use pci_get_drvdata() Andy Shevchenko
2023-11-10 18:11 ` [PATCH v3 23/25] i2c: designware: Use temporary variable for struct device Andy Shevchenko
2023-11-10 19:36 ` Mario Limonciello
2023-11-10 18:11 ` [PATCH v3 24/25] i2c: designware: Get rid of redundant 'else' Andy Shevchenko
2023-11-10 18:11 ` [PATCH v3 25/25] i2c: designware: Fix spelling and other issues in the comments Andy Shevchenko
2023-11-10 19:35 ` Mario Limonciello
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