static inline void omap_gpio_dbck_enable(struct gpio_bank *bank)
{
if (bank->dbck_enable_mask && !bank->dbck_enabled) {
- clk_prepare_enable(bank->dbck);
+ clk_enable(bank->dbck);
bank->dbck_enabled = true;
writel_relaxed(bank->dbck_enable_mask,
*/
writel_relaxed(0, bank->base + bank->regs->debounce_en);
- clk_disable_unprepare(bank->dbck);
+ clk_disable(bank->dbck);
bank->dbck_enabled = false;
}
}
l = BIT(offset);
- clk_prepare_enable(bank->dbck);
+ clk_enable(bank->dbck);
reg = bank->base + bank->regs->debounce;
writel_relaxed(debounce, reg);
bank->dbck_enable_mask = val;
writel_relaxed(val, reg);
- clk_disable_unprepare(bank->dbck);
+ clk_disable(bank->dbck);
/*
* Enable debounce clock per module.
* This call is mandatory because in omap_gpio_request() when
bank->context.debounce = 0;
writel_relaxed(bank->context.debounce, bank->base +
bank->regs->debounce);
- clk_disable_unprepare(bank->dbck);
+ clk_disable(bank->dbck);
bank->dbck_enabled = false;
}
}
/* Initialize interface clk ungated, module enabled */
if (bank->regs->ctrl)
writel_relaxed(0, base + bank->regs->ctrl);
-
- bank->dbck = clk_get(bank->dev, "dbclk");
- if (IS_ERR(bank->dbck))
- dev_err(bank->dev, "Could not get gpio dbck\n");
}
static int omap_gpio_chip_init(struct gpio_bank *bank, struct irq_chip *irqc)
return PTR_ERR(bank->base);
}
+ if (bank->dbck_flag) {
+ bank->dbck = devm_clk_get(bank->dev, "dbclk");
+ if (IS_ERR(bank->dbck)) {
+ dev_err(bank->dev,
+ "Could not get gpio dbck. Disable debounce\n");
+ bank->dbck_flag = false;
+ } else {
+ clk_prepare(bank->dbck);
+ }
+ }
+
platform_set_drvdata(pdev, bank);
pm_runtime_enable(bank->dev);
list_del(&bank->node);
gpiochip_remove(&bank->chip);
pm_runtime_disable(bank->dev);
+ if (bank->dbck_flag)
+ clk_unprepare(bank->dbck);
return 0;
}