Re: [PATCH] usb: typec: fsa4480: Check if the chip is really there

[Greg Kroah-Hartman]

On Mon, Feb 12, 2024 at 01:01:30PM +0100, Konrad Dybcio wrote:
> Currently, the driver will happily register the switch/mux devices, and
> so long as the i2c master doesn't complain, the user would never know
> there's something wrong.
> 
> Add a device id check (based on [1]) and return -ENODEV if the read
> fails or returns nonsense.
> 
> Checking the value on a Qualcomm SM6115P-based Lenovo Tab P11 tablet,
> the ID mentioned in the datasheet does indeed show up:
>  fsa4480 1-0042: Found FSA4480 v1.1 (Vendor ID = 0)
> 
> [1] https://www.onsemi.com/pdf/datasheet/fsa4480-d.pdf
> 
> Fixes: 1dc246320c6b ("usb: typec: mux: Add On Semi fsa4480 driver")
> Signed-off-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxx>
> ---
>  drivers/usb/typec/mux/fsa4480.c | 14 ++++++++++++++
>  1 file changed, 14 insertions(+)

Hi,

This is the friendly patch-bot of Greg Kroah-Hartman.  You have sent him
a patch that has triggered this response.  He used to manually respond
to these common problems, but in order to save his sanity (he kept
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created.  Hopefully you will not take offence and will fix the problem
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