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From: Ladislav Michl <ladis@linux-mips.org>
To: Chanwoo Choi <cw00.choi@samsung.com>
Cc: "H. Nikolaus Schaller" <hns@goldelico.com>,
	MyungJoo Ham <myungjoo.ham@samsung.com>,
	linux-kernel@vger.kernel.org, letux-kernel@openphoenux.org,
	kernel@pyra-handheld.com, linux-omap@vger.kernel.org
Subject: Re: [PATCH v3] extcon: palmas: hide error messages if gpio returns -EPROBE_DEFER
Date: Fri, 21 Feb 2020 08:47:40 +0100	[thread overview]
Message-ID: <20200221074740.GA44103@lenoch> (raw)
In-Reply-To: <34f3cd11-321b-9aab-31a7-a3fb03691980@samsung.com>

On Tue, Feb 18, 2020 at 08:09:16PM +0900, Chanwoo Choi wrote:
> On 2/18/20 7:48 PM, Ladislav Michl wrote:
> > On Tue, Feb 18, 2020 at 07:35:47PM +0900, Chanwoo Choi wrote:
> >> On 2/18/20 7:21 PM, Ladislav Michl wrote:
> >>> On Tue, Feb 18, 2020 at 12:28:25PM +0900, Chanwoo Choi wrote:
> >>>> On 2/17/20 10:38 PM, H. Nikolaus Schaller wrote:
> >>>>> If the gpios are probed after this driver (e.g. if they
> >>>>> come from an i2c expander) there is no need to print an
> >>>>> error message.
> >>>>>
> >>>>> Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
> >>>>> ---
> >>>>>  drivers/extcon/extcon-palmas.c | 8 ++++++--
> >>>>>  1 file changed, 6 insertions(+), 2 deletions(-)
> >>>>>
> >>>>> diff --git a/drivers/extcon/extcon-palmas.c b/drivers/extcon/extcon-palmas.c
> >>>>> index edc5016f46f1..cea58d0cb457 100644
> >>>>> --- a/drivers/extcon/extcon-palmas.c
> >>>>> +++ b/drivers/extcon/extcon-palmas.c
> >>>>> @@ -205,14 +205,18 @@ static int palmas_usb_probe(struct platform_device *pdev)
> >>>>>  
> >>>>>  	palmas_usb->id_gpiod = devm_gpiod_get_optional(&pdev->dev, "id",
> >>>>>  							GPIOD_IN);
> >>>>> -	if (IS_ERR(palmas_usb->id_gpiod)) {
> >>>>> +	if (PTR_ERR(palmas_usb->id_gpiod) == -EPROBE_DEFER) {
> >>>>> +		return -EPROBE_DEFER;
> > 
> > Here we returned...
> 
> hmm. you better to suggest the result of cocci script
> to understand why it is matter.

You can browse similar fixes online :)
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/log/?qt=grep&q=else+after+return

Best regards,
	ladis

  reply	other threads:[~2020-02-21  7:47 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <CGME20200217133832epcas1p329af393e88fa76189ca141d2534f9ad2@epcas1p3.samsung.com>
2020-02-17 13:38 ` [PATCH v3] extcon: palmas: hide error messages if gpio returns -EPROBE_DEFER H. Nikolaus Schaller
2020-02-17 13:58   ` H. Nikolaus Schaller
2020-02-17 18:29     ` Ladislav Michl
2020-02-17 18:38       ` H. Nikolaus Schaller
2020-02-17 19:07         ` Ladislav Michl
2020-02-17 19:33           ` H. Nikolaus Schaller
2020-02-17 20:19             ` Ladislav Michl
2020-02-17 20:25               ` H. Nikolaus Schaller
2020-02-18 11:49                 ` Ladislav Michl
2020-02-18 11:13     ` Chanwoo Choi
2020-02-18  3:28   ` Chanwoo Choi
2020-02-18 10:21     ` Ladislav Michl
2020-02-18 10:35       ` Chanwoo Choi
2020-02-18 10:48         ` Ladislav Michl
2020-02-18 11:09           ` Chanwoo Choi
2020-02-21  7:47             ` Ladislav Michl [this message]
2020-02-24  2:12               ` Chanwoo Choi
2020-02-24  7:31                 ` Ladislav Michl

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