[PATCH v3 3/3] i3c: master: cdns: replace ENOTSUPP with SUSV4-compliant EOPNOTSUPP

Frank Li Frank.li at nxp.com
Mon Jun 30 08:13:46 PDT 2025


On Sat, Jun 28, 2025 at 09:20:30PM +0200, Wolfram Sang wrote:
> Replace non-standard ENOTSUPP with the SUSV4-defined error code
> EOPNOTSUPP to fix below checkpatch warning:
>   "ENOTSUPP is not a SUSV4 error code, prefer EOPNOTSUPP"
>
> Signed-off-by: Wolfram Sang <wsa+renesas at sang-engineering.com>

Reviewed-by: Frank Li <Frank.Li at nxp.com>

> ---
>  drivers/i3c/master/i3c-master-cdns.c | 12 ++++++------
>  1 file changed, 6 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/i3c/master/i3c-master-cdns.c b/drivers/i3c/master/i3c-master-cdns.c
> index fd3752cea654..e24d93a82e1c 100644
> --- a/drivers/i3c/master/i3c-master-cdns.c
> +++ b/drivers/i3c/master/i3c-master-cdns.c
> @@ -742,7 +742,7 @@ static int cdns_i3c_master_priv_xfers(struct i3c_dev_desc *dev,
>
>  	for (i = 0; i < nxfers; i++) {
>  		if (xfers[i].len > CMD0_FIFO_PL_LEN_MAX)
> -			return -ENOTSUPP;
> +			return -EOPNOTSUPP;
>  	}
>
>  	if (!nxfers)
> @@ -750,7 +750,7 @@ static int cdns_i3c_master_priv_xfers(struct i3c_dev_desc *dev,
>
>  	if (nxfers > master->caps.cmdfifodepth ||
>  	    nxfers > master->caps.cmdrfifodepth)
> -		return -ENOTSUPP;
> +		return -EOPNOTSUPP;
>
>  	/*
>  	 * First make sure that all transactions (block of transfers separated
> @@ -765,7 +765,7 @@ static int cdns_i3c_master_priv_xfers(struct i3c_dev_desc *dev,
>
>  	if (rxslots > master->caps.rxfifodepth ||
>  	    txslots > master->caps.txfifodepth)
> -		return -ENOTSUPP;
> +		return -EOPNOTSUPP;
>
>  	cdns_xfer = cdns_i3c_master_alloc_xfer(master, nxfers);
>  	if (!cdns_xfer)
> @@ -822,11 +822,11 @@ static int cdns_i3c_master_i2c_xfers(struct i2c_dev_desc *dev,
>  	int i, ret = 0;
>
>  	if (nxfers > master->caps.cmdfifodepth)
> -		return -ENOTSUPP;
> +		return -EOPNOTSUPP;
>
>  	for (i = 0; i < nxfers; i++) {
>  		if (xfers[i].len > CMD0_FIFO_PL_LEN_MAX)
> -			return -ENOTSUPP;
> +			return -EOPNOTSUPP;
>
>  		if (xfers[i].flags & I2C_M_RD)
>  			nrxwords += DIV_ROUND_UP(xfers[i].len, 4);
> @@ -836,7 +836,7 @@ static int cdns_i3c_master_i2c_xfers(struct i2c_dev_desc *dev,
>
>  	if (ntxwords > master->caps.txfifodepth ||
>  	    nrxwords > master->caps.rxfifodepth)
> -		return -ENOTSUPP;
> +		return -EOPNOTSUPP;
>
>  	xfer = cdns_i3c_master_alloc_xfer(master, nxfers);
>  	if (!xfer)
> --
> 2.47.2
>



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