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From: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
To: Jonathan Marek <jonathan@marek.ca>, linux-arm-msm@vger.kernel.org
Cc: Andy Gross <agross@kernel.org>,
	Bjorn Andersson <bjorn.andersson@linaro.org>,
	Linus Walleij <linus.walleij@linaro.org>,
	"open list:PIN CONTROL SUBSYSTEM" <linux-gpio@vger.kernel.org>,
	open list <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] pinctrl: qcom: lpass lpi: use default pullup/strength values
Date: Fri, 5 Mar 2021 13:10:22 +0000	[thread overview]
Message-ID: <f30a6c1b-cd91-3442-fbac-10f508f8a640@linaro.org> (raw)
In-Reply-To: <20210304194816.3843-1-jonathan@marek.ca>

Thanks Jonathan for fixing this!

On 04/03/2021 19:48, Jonathan Marek wrote:
> If these fields are not set in dts, the driver will use these variables
> uninitialized to set the fields. Not only will it set garbage values for
> these fields, but it can overflow into other fields and break those.
> 
> In the current sm8250 dts, the dmic01 entries do not have a pullup setting,
> and might not work without this change.
> 
> Fixes: 6e261d1090d6 ("pinctrl: qcom: Add sm8250 lpass lpi pinctrl driver")
> Signed-off-by: Jonathan Marek <jonathan@marek.ca>
> ---

LGTM,
Reviewed-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>


--srini


>   drivers/pinctrl/qcom/pinctrl-lpass-lpi.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/pinctrl/qcom/pinctrl-lpass-lpi.c b/drivers/pinctrl/qcom/pinctrl-lpass-lpi.c
> index 369ee20a7ea95..2f19ab4db7208 100644
> --- a/drivers/pinctrl/qcom/pinctrl-lpass-lpi.c
> +++ b/drivers/pinctrl/qcom/pinctrl-lpass-lpi.c
> @@ -392,7 +392,7 @@ static int lpi_config_set(struct pinctrl_dev *pctldev, unsigned int group,
>   			  unsigned long *configs, unsigned int nconfs)
>   {
>   	struct lpi_pinctrl *pctrl = dev_get_drvdata(pctldev->dev);
> -	unsigned int param, arg, pullup, strength;
> +	unsigned int param, arg, pullup = LPI_GPIO_BIAS_DISABLE, strength = 2;
>   	bool value, output_enabled = false;
>   	const struct lpi_pingroup *g;
>   	unsigned long sval;
> 

  parent reply	other threads:[~2021-03-05 13:11 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-04 19:48 [PATCH] pinctrl: qcom: lpass lpi: use default pullup/strength values Jonathan Marek
2021-03-05  0:05 ` Bjorn Andersson
2021-03-05  0:21   ` Jonathan Marek
2021-03-05 13:10 ` Srinivas Kandagatla [this message]
2021-03-10 23:13 ` Linus Walleij
2021-05-26 19:03 ` patchwork-bot+linux-arm-msm

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