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From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
To: Anjelique Melendez <quic_amelende@quicinc.com>,
	agross@kernel.org, bjorn.andersson@linaro.org,
	linus.walleij@linaro.org, robh+dt@kernel.org,
	krzysztof.kozlowski+dt@linaro.org
Cc: konrad.dybcio@somainline.org, linux-arm-msm@vger.kernel.org,
	linux-gpio@vger.kernel.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	Anirudh Ghayal <quic_aghayal@quicinc.com>
Subject: Re: [PATCH 2/4] pinctrl: qcom: spmi-gpio: Fix the GPIO strength mapping
Date: Thu, 8 Sep 2022 13:14:25 +0200	[thread overview]
Message-ID: <2b809e98-85ea-6ad9-e810-106563937ddc@linaro.org> (raw)
In-Reply-To: <20220907201528.9351-3-quic_amelende@quicinc.com>

On 07/09/2022 22:15, Anjelique Melendez wrote:
> From: Anirudh Ghayal <quic_aghayal@quicinc.com>
> 
> The SPMI based PMICs have the HIGH and LOW GPIO output
> strength mappings interchanged, fix them.
> 
> Keep the mapping same for older SSBI based PMICs.
> 
> CRs-Fixed: 2246473

What is this tag about?

> Signed-off-by: Anirudh Ghayal <quic_aghayal@quicinc.com>
> Signed-off-by: Anjelique Melendez <quic_amelende@quicinc.com>
> ---
>  drivers/pinctrl/qcom/pinctrl-spmi-gpio.c     | 2 +-
>  drivers/pinctrl/qcom/pinctrl-ssbi-gpio.c     | 4 ++--
>  include/dt-bindings/pinctrl/qcom,pmic-gpio.h | 9 +++++++--
>  3 files changed, 10 insertions(+), 5 deletions(-)
> 
> diff --git a/drivers/pinctrl/qcom/pinctrl-spmi-gpio.c b/drivers/pinctrl/qcom/pinctrl-spmi-gpio.c
> index cf6b6047de8d..fceccf1ec099 100644
> --- a/drivers/pinctrl/qcom/pinctrl-spmi-gpio.c
> +++ b/drivers/pinctrl/qcom/pinctrl-spmi-gpio.c
> @@ -525,7 +525,7 @@ static int pmic_gpio_config_set(struct pinctrl_dev *pctldev, unsigned int pin,
>  			pad->pullup = arg;
>  			break;
>  		case PMIC_GPIO_CONF_STRENGTH:
> -			if (arg > PMIC_GPIO_STRENGTH_LOW)
> +			if (arg > PMIC_GPIO_STRENGTH_HIGH)
>  				return -EINVAL;
>  			pad->strength = arg;
>  			break;
> diff --git a/drivers/pinctrl/qcom/pinctrl-ssbi-gpio.c b/drivers/pinctrl/qcom/pinctrl-ssbi-gpio.c
> index 1b41adda8129..0f96d130813b 100644
> --- a/drivers/pinctrl/qcom/pinctrl-ssbi-gpio.c
> +++ b/drivers/pinctrl/qcom/pinctrl-ssbi-gpio.c
> @@ -1,7 +1,7 @@
>  // SPDX-License-Identifier: GPL-2.0-only
>  /*
>   * Copyright (c) 2015, Sony Mobile Communications AB.
> - * Copyright (c) 2013, The Linux Foundation. All rights reserved.
> + * Copyright (c) 2013, 2018 The Linux Foundation. All rights reserved.
>   */
>  
>  #include <linux/module.h>
> @@ -371,7 +371,7 @@ static int pm8xxx_pin_config_set(struct pinctrl_dev *pctldev,
>  			banks |= BIT(0);
>  			break;
>  		case PM8XXX_QCOM_DRIVE_STRENGH:
> -			if (arg > PMIC_GPIO_STRENGTH_LOW) {
> +			if (arg > PM8921_GPIO_STRENGTH_LOW) {
>  				dev_err(pctrl->dev, "invalid drive strength\n");
>  				return -EINVAL;
>  			}
> diff --git a/include/dt-bindings/pinctrl/qcom,pmic-gpio.h b/include/dt-bindings/pinctrl/qcom,pmic-gpio.h
> index e5df5ce45a0f..950be952ad3e 100644
> --- a/include/dt-bindings/pinctrl/qcom,pmic-gpio.h
> +++ b/include/dt-bindings/pinctrl/qcom,pmic-gpio.h

You cannot mix bindings with driver. This is an ABI break.
> @@ -12,9 +12,14 @@
>  #define PMIC_GPIO_PULL_UP_1P5_30	3
>  
>  #define PMIC_GPIO_STRENGTH_NO		0
> -#define PMIC_GPIO_STRENGTH_HIGH		1
> +#define PMIC_GPIO_STRENGTH_LOW		1
>  #define PMIC_GPIO_STRENGTH_MED		2
> -#define PMIC_GPIO_STRENGTH_LOW		3
> +#define PMIC_GPIO_STRENGTH_HIGH		3

Didn't you just break all DTSes in the world?

Best regards,
Krzysztof

  reply	other threads:[~2022-09-08 11:14 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-09-07 20:15 [PATCH 0/4] Add Support for Qualcomm SPMI GPIOs Anjelique Melendez
2022-09-07 20:15 ` [PATCH 1/4] pinctrl: qcom: spmi-gpio: add support for LV_VIN2 and MV_VIN3 subtypes Anjelique Melendez
2022-09-07 20:15 ` [PATCH 2/4] pinctrl: qcom: spmi-gpio: Fix the GPIO strength mapping Anjelique Melendez
2022-09-08 11:14   ` Krzysztof Kozlowski [this message]
2022-09-08 23:52     ` Anjelique Melendez
2022-09-09  7:35       ` Krzysztof Kozlowski
2022-09-09  0:25     ` David Collins
2022-09-09  7:34       ` Krzysztof Kozlowski
2022-09-07 20:15 ` [PATCH 3/4] pinctrl: qcom: spmi-gpio: Add compatible for PM7250B Anjelique Melendez
2022-09-08 11:14   ` Krzysztof Kozlowski
2022-09-07 20:15 ` [PATCH 4/4] dt-bindings: qcom-pmic-gpio: Add PM7250B and PM8450 bindings Anjelique Melendez
2022-09-08 11:13   ` Krzysztof Kozlowski
2022-09-08 16:55     ` Anjelique Melendez

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