[PATCH v3 09/12] gpio: rockchip: change the GPIO version judgment logic
Andy Shevchenko
andriy.shevchenko at linux.intel.com
Tue Sep 3 09:05:26 PDT 2024
On Tue, Sep 03, 2024 at 03:36:46PM +0800, Ye Zhang wrote:
> Have a list of valid V1 IDs and default to -ENODEV.
s/V1//
...
> id = readl(bank->reg_base + gpio_regs_v2.version_id);
>
You may remove this blank line now...
> - /* If not gpio v2, that is default to v1. */
> - if (id == GPIO_TYPE_V2 || id == GPIO_TYPE_V2_1) {
> - bank->gpio_regs = &gpio_regs_v2;
> - bank->gpio_type = GPIO_TYPE_V2;
> - } else {
> + /* The GPIO version ID is incrementing. */
> + switch (id) {
...basically to have
/* The GPIO version ID is incrementing. */
id = readl(bank->reg_base + gpio_regs_v2.version_id);
switch (id) {
> + case GPIO_TYPE_V1:
> bank->gpio_regs = &gpio_regs_v1;
> bank->gpio_type = GPIO_TYPE_V1;
> + break;
> + case GPIO_TYPE_V2:
> + case GPIO_TYPE_V2_1:
> + bank->gpio_regs = &gpio_regs_v2;
> + bank->gpio_type = GPIO_TYPE_V2;
> + break;
> + default:
> + dev_err(bank->dev, "cannot get the version ID\n");
> + return -ENODEV;
> }
--
With Best Regards,
Andy Shevchenko
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