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From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To: Ryan Chen <ryan_chen@aspeedtech.com>
Cc: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>,
	"jk@codeconstruct.com.au" <jk@codeconstruct.com.au>,
	Brendan Higgins <brendan.higgins@linux.dev>,
	Benjamin Herrenschmidt <benh@kernel.crashing.org>,
	Joel Stanley <joel@jms.id.au>, Rob Herring <robh+dt@kernel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
	Andrew Jeffery <andrew@aj.id.au>,
	Philipp Zabel <p.zabel@pengutronix.de>,
	Wolfram Sang <wsa@kernel.org>,
	"linux-i2c@vger.kernel.org" <linux-i2c@vger.kernel.org>,
	Florian Fainelli <f.fainelli@gmail.com>,
	Jean Delvare <jdelvare@suse.de>,
	William Zhang <william.zhang@broadcom.com>,
	Tyrone Ting <kfting@nuvoton.com>,
	Tharun Kumar P <tharunkumar.pasumarthi@microchip.com>,
	Conor Dooley <conor.dooley@microchip.com>,
	Phil Edworthy <phil.edworthy@renesas.com>,
	"openbmc@lists.ozlabs.org" <openbmc@lists.ozlabs.org>,
	"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
	"linux-arm-kernel@lists.infradead.org" 
	<linux-arm-kernel@lists.infradead.org>,
	"linux-aspeed@lists.ozlabs.org" <linux-aspeed@lists.ozlabs.org>,
	"=linux-kernel@vger.kernel.org" <=linux-kernel@vger.kernel.org>,
	Andi Shyti <andi.shyti@kernel.org>
Subject: Re: [PATCH v12 2/2] i2c: aspeed: support ast2600 i2c new register mode driver
Date: Fri, 14 Jul 2023 11:56:12 +0300	[thread overview]
Message-ID: <ZLENrPhQZe5NN1E4@smile.fi.intel.com> (raw)
In-Reply-To: <SEZPR06MB5269EB586319B3333CD96010F234A@SEZPR06MB5269.apcprd06.prod.outlook.com>

On Fri, Jul 14, 2023 at 08:08:48AM +0000, Ryan Chen wrote:
> On 14/07/2023 09:45, Ryan Chen wrote:

...

> > +	ret = devm_i2c_add_adapter(dev, &i2c_bus->adap);
> > +	if (ret)
> > +		return ret;

...

> > +	i2c_del_adapter(&i2c_bus->adap);
> 
> > I have doubts that you tested this. I think you have here double free/del of the adapter.
> Sorry, i can't catch your point for double free the adapter.
> It should use i2c_del_adapter in driver remove function.
> All the driver doing this 
> https://github.com/torvalds/linux/blob/master/drivers/i2c/busses/i2c-npcm7xx.c#L2373
> https://github.com/torvalds/linux/blob/master/drivers/i2c/busses/i2c-altera.c#L473
> 
> Do you mean it is not necessary? 

I'm wondering if you understand what you are doing...

-- 
With Best Regards,
Andy Shevchenko



  reply	other threads:[~2023-07-14  8:56 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-07-14  7:45 [PATCH v12 0/2] Add ASPEED AST2600 I2Cv2 controller driver Ryan Chen
2023-07-14  7:45 ` [PATCH v12 1/2] dt-bindings: i2c: aspeed: support for AST2600-i2cv2 Ryan Chen
2023-07-14  7:45 ` [PATCH v12 2/2] i2c: aspeed: support ast2600 i2c new register mode driver Ryan Chen
2023-07-14  8:03   ` Krzysztof Kozlowski
2023-07-14  8:08     ` Ryan Chen
2023-07-14  8:56       ` Andy Shevchenko [this message]
2023-07-14  8:57       ` Krzysztof Kozlowski
2023-07-14  9:26         ` Ryan Chen
2023-07-26  3:38           ` Ryan Chen
2023-07-26  6:31             ` Krzysztof Kozlowski
2023-07-26  6:19           ` Ryan Chen
2023-07-14  8:55   ` Andy Shevchenko
2023-08-31  6:04     ` Ryan Chen
2023-08-31 14:18       ` Andy Shevchenko
2023-09-05  6:52     ` Ryan Chen
2023-09-05 11:55       ` Andy Shevchenko
2023-10-05  6:21         ` Ryan Chen
2023-10-05 11:56           ` Andy Shevchenko
2023-10-11  7:36             ` Ryan Chen
2023-10-11  8:17               ` Ryan Chen

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