Re: [PATCH v4 2/2] gpio: Add GPIO driver for Spreadtrum SC9860 platform
From: Baolin Wang
Date: Fri Feb 23 2018 - 20:58:02 EST
Hi Andy,
On 23 February 2018 at 21:35, Andy Shevchenko <andy.shevchenko@xxxxxxxxx> wrote:
> On Fri, Feb 23, 2018 at 6:44 AM, Baolin Wang <baolin.wang@xxxxxxxxxx> wrote:
>> The Spreadtrum SC9860 platform GPIO controller contains 16 groups and
>> each group contains 16 GPIOs. Each GPIO can set input/output and has
>> the interrupt capability.
>>
>
> Sorry, couple comments below.
>
>> Signed-off-by: Baolin Wang <baolin.wang@xxxxxxxxxx>
>> Reviewed-by: Andy Shevchenko <andy.shevchenko@xxxxxxxxx>
>
>> +/* We have 16 banks GPIOs and each bank contain 16 GPIOs */
>> +#define SPRD_GPIO_BANK_NR 16
>> +#define SPRD_GPIO_NR 256
>
>> +#define SPRD_GPIO_BANK_SIZE 0x80
>
> 128 ?
Um, I still would like to use 0x80 here to keep consistent with our GPIO Spec.
>
>> + irq->handler = handle_simple_irq;
>
> Shouldn't be handle_bad_irq() ?
Yes, handle_bad_irq() is better.
>> +static const struct of_device_id sprd_gpio_of_match[] = {
>> + { .compatible = "sprd,sc9860-gpio", },
>
>> + { /* end of list */ },
>
> Comma is redundant. Absence of it even better at compile time if at
> some weird case the item goes after a terminator.
Sure. Thanks.
--
Baolin.wang
Best Regards