[PATCH master] i2c: imx: increase timeout in i2c_fsl_poll_status from 1 to 5ms

Sascha Hauer sha at pengutronix.de
Tue Jan 10 06:33:27 PST 2023


On Tue, Jan 10, 2023 at 09:52:37AM +0100, Ahmad Fatoum wrote:
> The current wait time of 1 ms is apparently too short in some
> circumstances leading to following error when communicating
> with a KSZ switch with 100 kHz from an i.MX8MN I2C controller:
> 
>   ERROR: ksz9477-i2c ksz85630: error detecting KSZ9477: I/O error
> 
> Increasing the poll time to 5ms resolved this issue:
> 
>   ksz9477-i2c ksz85630: Found KSZ9893
>   ksz9477-i2c ksz85630: chip id: 0x00989360
> 
> Signed-off-by: Ahmad Fatoum <a.fatoum at pengutronix.de>
> ---
>  drivers/i2c/busses/i2c-imx.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Applied, thanks

Sascha

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