[PATCH] i2c: cdns: Add timeout for RXDV status bit polling

[Michal Simek]

Hi Heiko,

On 12/1/25 06:53, Heiko Schocher wrote:
> Hello Michal,
> 
> On 26.11.25 16:12, Michal Simek wrote:
>> From: Padmarao Begari <padmarao.begari at amd.com>
>>
>> Add a timeout mechanism when waiting for the RXDV (Receive Data
>> Valid) status bit to be set before reading data from the FIFO.
>> This prevents infinite polling loops that could occur if the
>> hardware doesn't respond as expected.
>>
>> The timeout is set to 1000ms (CDNS_I2C_RXDV_TIMEOUT_MS) and uses
>> the wait_for_bit_le32() function to poll the status register. If
>> the timeout expires, an error code is returned.
>>
>> Signed-off-by: Padmarao Begari <padmarao.begari at amd.com>
>> Signed-off-by: Michal Simek <michal.simek at amd.com>
>> ---
>>
>>   drivers/i2c/i2c-cdns.c | 11 +++++++++++
>>   1 file changed, 11 insertions(+)
> 
> Reviewed-by: Heiko Schocher <hs at nabladev.com>

I will take it via my tree. Please let me know if you want to take it via your 
tree and I will remove it from my queue.

Thanks,
Michal