linux-kernel - Re: [PATCH] pinctrl: st: Fix checking return value of syscon_regmap_lookup_by

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Message-ID: <CAFRkauAW4kvhYhmRipuX6Me6oYV4mEkjGiPGX_Dup+hj6CicmA@mail.gmail.com>
Date:	Fri, 28 Jun 2013 22:24:24 +0800
From:	Axel Lin <axel.lin@...ics.com>
To:	srinivas.kandagatla@...com
Cc:	Linus Walleij <linus.walleij@...aro.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] pinctrl: st: Fix checking return value of syscon_regmap_lookup_by_phandle()

2013/6/28 Srinivas KANDAGATLA <srinivas.kandagatla@...com>:
> On 28/06/13 13:16, Axel Lin wrote:
>> 2013/6/28 Srinivas KANDAGATLA <srinivas.kandagatla@...com>:
>>> Thankyou Axel for looking at this.
>>>
>>> There is already a patch is submitted for this.
>>> https://lkml.org/lkml/2013/6/26/494 which I have Acked.
>>
>> That is strange.
>> I don't think the patch you mentioned can be applied to current pinctrl tree.
>> Current code does check pinctrl_register by IS_ERR.
> The patch removes the IS_ERR, because, pinctrl_register returns NULL or
> a valid pointer, using IS_ERR is this case is incorrect.
You are right.

Thanks,
Axel
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