On Fri, Jun 24, 2022 at 09:51:12PM +0200, Robert Marko wrote:
> Commit 6c846d026d49 ("gpio: Don't fiddle with irqchips marked as
> immutable") added a warning to indicate if the gpiolib is altering the
> internals of irqchips.
>
> Following this change the following warning is now observed for the SPMI
> PMIC pinctrl driver:
> gpio gpiochip1: (200f000.spmi:pmic@0:gpio@c000): not an immutable chip, please consider fixing it!
>
> Fix this by making the irqchip in the SPMI PMIC pinctrl driver immutable.
>
> Signed-off-by: Robert Marko <robimarko@xxxxxxxxx>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxx>
I've also tested this patch on Lenovo X13s, so
Tested-by: Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxx>
Thanks,
Mani
> ---
> drivers/pinctrl/qcom/pinctrl-spmi-gpio.c | 22 ++++++++++++----------
> 1 file changed, 12 insertions(+), 10 deletions(-)
>
> diff --git a/drivers/pinctrl/qcom/pinctrl-spmi-gpio.c b/drivers/pinctrl/qcom/pinctrl-spmi-gpio.c
> index c3255b0bece4..406ee0933d0b 100644
> --- a/drivers/pinctrl/qcom/pinctrl-spmi-gpio.c
> +++ b/drivers/pinctrl/qcom/pinctrl-spmi-gpio.c
> @@ -171,7 +171,6 @@ struct pmic_gpio_state {
> struct regmap *map;
> struct pinctrl_dev *ctrl;
> struct gpio_chip chip;
> - struct irq_chip irq;
> u8 usid;
> u8 pid_base;
> };
> @@ -988,6 +987,17 @@ static void *pmic_gpio_populate_parent_fwspec(struct gpio_chip *chip,
> return fwspec;
> }
>
> +static const struct irq_chip spmi_gpio_irq_chip = {
> + .name = "spmi-gpio",
> + .irq_ack = irq_chip_ack_parent,
> + .irq_mask = irq_chip_mask_parent,
> + .irq_unmask = irq_chip_unmask_parent,
> + .irq_set_type = irq_chip_set_type_parent,
> + .irq_set_wake = irq_chip_set_wake_parent,
> + .flags = IRQCHIP_IMMUTABLE | IRQCHIP_MASK_ON_SUSPEND,
> + GPIOCHIP_IRQ_RESOURCE_HELPERS,
> +};
> +
> static int pmic_gpio_probe(struct platform_device *pdev)
> {
> struct irq_domain *parent_domain;
> @@ -1081,16 +1091,8 @@ static int pmic_gpio_probe(struct platform_device *pdev)
> if (!parent_domain)
> return -ENXIO;
>
> - state->irq.name = "spmi-gpio",
> - state->irq.irq_ack = irq_chip_ack_parent,
> - state->irq.irq_mask = irq_chip_mask_parent,
> - state->irq.irq_unmask = irq_chip_unmask_parent,
> - state->irq.irq_set_type = irq_chip_set_type_parent,
> - state->irq.irq_set_wake = irq_chip_set_wake_parent,
> - state->irq.flags = IRQCHIP_MASK_ON_SUSPEND,
> -
> girq = &state->chip.irq;
> - girq->chip = &state->irq;
> + gpio_irq_chip_set_chip(girq, &spmi_gpio_irq_chip);
> girq->default_type = IRQ_TYPE_NONE;
> girq->handler = handle_level_irq;
> girq->fwnode = of_node_to_fwnode(state->dev->of_node);
> --
> 2.36.1
>
--
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