Re: [PATCH v2] rtc: abx80x: Fix return value of nvmem callback on read

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On Thu, Jun 13, 2024 at 12:07:50PM +0000, Joy Chakraborty wrote:
> Read callbacks registered with nvmem core expect 0 to be returned on
> success and a negative value to be returned on failure.
> 
> abx80x_nvmem_xfer() on read calls i2c_smbus_read_i2c_block_data() which
> returns the number of bytes read on success as per its api description,
> this return value is handled as an error and returned to nvmem even on
> success.
> 
> Fix to handle all possible values that would be returned by
> i2c_smbus_read_i2c_block_data().
> 
> Fixes: e90ff8ede777 ("rtc: abx80x: Add nvmem support")
> Cc: stable@xxxxxxxxxxxxxxx
> Signed-off-by: Joy Chakraborty <joychakr@xxxxxxxxxx>

Thanks!

Reviewed-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>

regards,
dan carpenter





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