On Thu 30 Aug 08:23 PDT 2018, Douglas Anderson wrote:
> If you look at "pinconf-groups" in debugfs for ssbi-gpio you'll notice
> it looks like nonsense.
>
> The problem is fairly well described in commit 1cf86bc21257 ("pinctrl:
> qcom: spmi-gpio: Fix pmic_gpio_config_get() to be compliant") and
> commit 05e0c828955c ("pinctrl: msm: Fix msm_config_group_get() to be
> compliant"), but it was pointed out that ssbi-gpio has the same
> problem. Let's fix it there too.
>
> Fixes: b4c45fe974bc ("pinctrl: qcom: ssbi: Family A gpio & mpp drivers")
> Signed-off-by: Douglas Anderson <dianders@xxxxxxxxxxxx>
Reviewed-by: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx>
Regards,
Bjorn
> ---
>
> drivers/pinctrl/qcom/pinctrl-ssbi-gpio.c | 28 ++++++++++++++++++------
> 1 file changed, 21 insertions(+), 7 deletions(-)
>
> diff --git a/drivers/pinctrl/qcom/pinctrl-ssbi-gpio.c b/drivers/pinctrl/qcom/pinctrl-ssbi-gpio.c
> index f53e32a9d8fc..0e153bae322e 100644
> --- a/drivers/pinctrl/qcom/pinctrl-ssbi-gpio.c
> +++ b/drivers/pinctrl/qcom/pinctrl-ssbi-gpio.c
> @@ -260,22 +260,32 @@ static int pm8xxx_pin_config_get(struct pinctrl_dev *pctldev,
>
> switch (param) {
> case PIN_CONFIG_BIAS_DISABLE:
> - arg = pin->bias == PM8XXX_GPIO_BIAS_NP;
> + if (pin->bias != PM8XXX_GPIO_BIAS_NP)
> + return -EINVAL;
> + arg = 1;
> break;
> case PIN_CONFIG_BIAS_PULL_DOWN:
> - arg = pin->bias == PM8XXX_GPIO_BIAS_PD;
> + if (pin->bias != PM8XXX_GPIO_BIAS_PD)
> + return -EINVAL;
> + arg = 1;
> break;
> case PIN_CONFIG_BIAS_PULL_UP:
> - arg = pin->bias <= PM8XXX_GPIO_BIAS_PU_1P5_30;
> + if (pin->bias > PM8XXX_GPIO_BIAS_PU_1P5_30)
> + return -EINVAL;
> + arg = 1;
> break;
> case PM8XXX_QCOM_PULL_UP_STRENGTH:
> arg = pin->pull_up_strength;
> break;
> case PIN_CONFIG_BIAS_HIGH_IMPEDANCE:
> - arg = pin->disable;
> + if (!pin->disable)
> + return -EINVAL;
> + arg = 1;
> break;
> case PIN_CONFIG_INPUT_ENABLE:
> - arg = pin->mode == PM8XXX_GPIO_MODE_INPUT;
> + if (pin->mode != PM8XXX_GPIO_MODE_INPUT)
> + return -EINVAL;
> + arg = 1;
> break;
> case PIN_CONFIG_OUTPUT:
> if (pin->mode & PM8XXX_GPIO_MODE_OUTPUT)
> @@ -290,10 +300,14 @@ static int pm8xxx_pin_config_get(struct pinctrl_dev *pctldev,
> arg = pin->output_strength;
> break;
> case PIN_CONFIG_DRIVE_PUSH_PULL:
> - arg = !pin->open_drain;
> + if (pin->open_drain)
> + return -EINVAL;
> + arg = 1;
> break;
> case PIN_CONFIG_DRIVE_OPEN_DRAIN:
> - arg = pin->open_drain;
> + if (!pin->open_drain)
> + return -EINVAL;
> + arg = 1;
> break;
> default:
> return -EINVAL;
> --
> 2.19.0.rc0.228.g281dcd1b4d0-goog
>
