Re: [PATCH] pinctrl: stm32: Implement .pin_config_dbg_show()

From: Linus Walleij
Date: Tue May 10 2016 - 07:50:19 EST


On Fri, Apr 29, 2016 at 4:25 PM, <patrice.chotard@xxxxxx> wrote:

> From: Patrice Chotard <patrice.chotard@xxxxxx>
>
> Signed-off-by: Patrice Chotard <patrice.chotard@xxxxxx>

Patch applied! Because this gives good debuggability.

But think about refactorings:

> +static bool stm32_pconf_input_get(struct stm32_gpio_bank *bank,
> + unsigned int offset)
> +{
> + unsigned long flags;
> + u32 val;
> +
> + clk_enable(bank->clk);
> + spin_lock_irqsave(&bank->lock, flags);
> +
> + val = !!(readl_relaxed(bank->base + STM32_GPIO_IDR) & BIT(offset));
> +
> + spin_unlock_irqrestore(&bank->lock, flags);
> + clk_disable(bank->clk);
> +
> + return val;
> +}
> +
> +static bool stm32_pconf_output_get(struct stm32_gpio_bank *bank,
> + unsigned int offset)
> +{
> + unsigned long flags;
> + u32 val;
> +
> + clk_enable(bank->clk);
> + spin_lock_irqsave(&bank->lock, flags);
> + val = !!(readl_relaxed(bank->base + STM32_GPIO_ODR) & BIT(offset));
> +
> + spin_unlock_irqrestore(&bank->lock, flags);
> + clk_disable(bank->clk);
> +
> + return val;
> +}

Don't you think these two look very similar for example.

But that can be fixed later, debuggability is more important.

Yours,
Linus Walleij