Re: [PATCH V2 5/7] i2c: sprd: Configure the enable bit of the I2C controller before each transmission initiation

Andi Shyti
2023-10-24T21:35:18Z

On Mon, Oct 23, 2023 at 04:11:56PM +0800, Huangzheng Lai wrote:
> When a timeout exception occurs in the I2C driver, the I2C controller
> will be reset, and after resetting, control bits such as I2C_EN and
> I2C_INT_EN will be reset to 0, and the I2C master cannot initiate
> Transmission unless sprd_i2c_enable() is executed. To address this issue,
> this patch places sprd_i2c_enable() before each transmission initiation
> to ensure that the necessary control bits of the I2C controller are
> configured.

where is the timeout occurring? Is it a sporadic failure?

> Signed-off-by: Huangzheng Lai <Huangzheng.Lai@unisoc.com>

Would be nice if any from Orson, Boulin or Chunyan could take a
look here.

Andi