On 2024/3/13 下午 04:04, Dan Carpenter wrote:
On Wed, Mar 13, 2024 at 03:57:19AM +0000, Jacky Huang wrote:
+static int ma35_gpiolib_register(struct platform_device *pdev, struct ma35_pinctrl *npctl)
+{
+ struct ma35_pin_ctrl *ctrl = npctl->ctrl;
+ struct ma35_pin_bank *bank = ctrl->pin_banks;
+ int ret;
+ int i;
+
+ for (i = 0; i < ctrl->nr_banks; ++i, ++bank) {
+ if (!bank->valid) {
+ dev_warn(&pdev->dev, "bank %s is not valid\n",
+ bank->np->name);
+ continue;
+ }
+ bank->irqtype = 0;
+ bank->irqinten = 0;
+ bank->chip.label = bank->name;
+ bank->chip.of_gpio_n_cells = 2;
+ bank->chip.parent = &pdev->dev;
+ bank->chip.request = ma35_gpio_core_to_request;
+ bank->chip.direction_input = ma35_gpio_core_direction_in;
+ bank->chip.direction_output = ma35_gpio_core_direction_out;
+ bank->chip.get = ma35_gpio_core_get;
+ bank->chip.set = ma35_gpio_core_set;
+ bank->chip.base = -1;
+ bank->chip.ngpio = bank->nr_pins;
+ bank->chip.can_sleep = false;
+ spin_lock_init(&bank->lock);
+
+ if (bank->irq > 0) {
+ struct gpio_irq_chip *girq;
+
+ girq = &bank->chip.irq;
+ gpio_irq_chip_set_chip(girq, &ma35_gpio_irqchip);
+ girq->parent_handler = ma35_irq_demux_intgroup;
+ girq->num_parents = 1;
+
+ girq->parents = devm_kcalloc(&pdev->dev, 1, sizeof(*girq->parents),
+ GFP_KERNEL);
+ if (!girq->parents)
+ return -ENOMEM;
ret = -ENOMEM;
goto fail;
regards,
dan carpenter
Thanks, I will fix it.
+
+ girq->parents[0] = bank->irq;
+ girq->default_type = IRQ_TYPE_NONE;
+ girq->handler = handle_level_irq;
+ }
+
+ ret = gpiochip_add_data(&bank->chip, bank);
+ if (ret) {
+ dev_err(&pdev->dev, "failed to register gpio_chip %s, error code: %d\n",
+ bank->chip.label, ret);
+ goto fail;
+ }
+ }
+ return 0;
+
+fail:
+ for (--i, --bank; i >= 0; --i, --bank) {
+ if (!bank->valid)
+ continue;
+ gpiochip_remove(&bank->chip);
+ }
+ return ret;
+}
Best Regards,
Jacky Huang