Re: [PATCH 1/2] i2c: designware: introduce a custom scl recovery for SoCFPGA platforms
From: Andy Shevchenko
Date: Thu May 19 2022 - 06:21:25 EST
On Wed, May 18, 2022 at 03:22:16PM -0500, Dinh Nguyen wrote:
> The I2C pins on the SoCFPGA platforms do not go through a GPIO module,
> thus cannot be recovered by the default method of by doing a GPIO access.
> Only a reset of the I2C IP block can a recovery be successful.
...
> #define MODEL_BAIKAL_BT1 BIT(9)
> #define MODEL_AMD_NAVI_GPU BIT(10)
> +#define MODEL_SOCFPGA BIT(11)
...
> -#define MODEL_MASK GENMASK(11, 8)
> +#define MODEL_MASK GENMASK(12, 8)
Why this change is made?
...
> + switch (dev->flags & MODEL_MASK) {
> + case MODEL_SOCFPGA:
> + rinfo->recover_bus = i2c_custom_scl_recovery;
_custom_ is too broad, use exact name, i.e.
i2c_socfpga_scl_recovery
> + break;
> + default:
> + rinfo->recover_bus = i2c_generic_scl_recovery;
> + break;
> + }
...
> + { .compatible = "intel,socfpga-i2c", .data = (void *)MODEL_SOCFPGA },
> +
Stray change.
--
With Best Regards,
Andy Shevchenko