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Date: Thu, 2 May 2024 21:53:54 +0530
From: R Sundar <prosunofficial@...il.com>
To: heikki.krogerus@...ux.intel.com, gregkh@...uxfoundation.org,
 neil.armstrong@...aro.org, dmitry.baryshkov@...aro.org,
 u.kleine-koenig@...gutronix.de, christophe.jaillet@...adoo.fr
Cc: linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
 skhan@...uxfoundation.org, javier.carrasco.cruz@...il.com
Subject: Re: [PATCH v5 linux-next] usb:typec:mux: remove indentation for
 common path

On 26/04/24 22:17, R Sundar wrote:
> Nitpick, Mostly common path will not be indented.  so rewritten this
> function to check device_node pointer is null and removed common path
> indentation.
> 
> Signed-off-by: R Sundar <prosunofficial@...il.com>
> ---
> 
> Fixed nitpicks in code according to comments received on other patch as
> below:
> 
> [ Nit, this function should be rewritten to not work like this, the
> "common" path should not be indented, but only the exception (i.e. bail
> if ep is not allocated properly.) ]
> https://lore.kernel.org/all/2024041103-doornail-professor-7c1e@gregkh/
> 
> Goal is to get rid of of_node_put,but sending this patch first to do one
> thing at a time.
> 
> Changes since v1 - fixed the typo error for spell from identation to
> indentation
> 
> Changes since v2 - Shifted the indentation to one level left for the
> switch cases as per coding style.
> 
> Changes since v3 - Added descriptive subject for the patch and checked
> from and sign-off having same name.
> 
> Changes since v4 - Fixed name in signed-off-by as in documents.
> 
> Patches link:
> ------------
> v1  - https://lore.kernel.org/all/20240420145522.15018-1-prosunofficial@gmail.com/
> v2  - https://lore.kernel.org/linux-usb/20240420164927.15290-1-prosunofficial@gmail.com/
> v3  - https://lore.kernel.org/all/20240421011647.3027-1-prosunofficial@gmail.com/
> v4  - https://lore.kernel.org/all/20240424150718.5006-1-prosunofficial@gmail.com/
> 
>   drivers/usb/typec/mux/nb7vpq904m.c | 68 +++++++++++++++---------------
>   1 file changed, 34 insertions(+), 34 deletions(-)
> 
> diff --git a/drivers/usb/typec/mux/nb7vpq904m.c b/drivers/usb/typec/mux/nb7vpq904m.c
> index b17826713753..f7a00b388876 100644
> --- a/drivers/usb/typec/mux/nb7vpq904m.c
> +++ b/drivers/usb/typec/mux/nb7vpq904m.c
> @@ -320,47 +320,47 @@ static int nb7vpq904m_parse_data_lanes_mapping(struct nb7vpq904m *nb7)
>   	int ret, i, j;
>   
>   	ep = of_graph_get_endpoint_by_regs(nb7->client->dev.of_node, 1, 0);
> +	if (!ep)
> +		return 0;
>   
> -	if (ep) {
> -		ret = of_property_count_u32_elems(ep, "data-lanes");
> -		if (ret == -EINVAL)
> -			/* Property isn't here, consider default mapping */
> -			goto out_done;
> -		if (ret < 0)
> -			goto out_error;
> -
> -		if (ret != DATA_LANES_COUNT) {
> -			dev_err(&nb7->client->dev, "expected 4 data lanes\n");
> -			ret = -EINVAL;
> -			goto out_error;
> -		}
> -
> -		ret = of_property_read_u32_array(ep, "data-lanes", data_lanes, DATA_LANES_COUNT);
> -		if (ret)
> -			goto out_error;
> +	ret = of_property_count_u32_elems(ep, "data-lanes");
> +	if (ret == -EINVAL)
> +		/* Property isn't here, consider default mapping */
> +		goto out_done;
> +	if (ret < 0)
> +		goto out_error;
> +
> +	if (ret != DATA_LANES_COUNT) {
> +		dev_err(&nb7->client->dev, "expected 4 data lanes\n");
> +		ret = -EINVAL;
> +		goto out_error;
> +	}
>   
> -		for (i = 0; i < ARRAY_SIZE(supported_data_lane_mapping); i++) {
> -			for (j = 0; j < DATA_LANES_COUNT; j++) {
> -				if (data_lanes[j] != supported_data_lane_mapping[i][j])
> -					break;
> -			}
> +	ret = of_property_read_u32_array(ep, "data-lanes", data_lanes, DATA_LANES_COUNT);
> +	if (ret)
> +		goto out_error;
>   
> -			if (j == DATA_LANES_COUNT)
> +	for (i = 0; i < ARRAY_SIZE(supported_data_lane_mapping); i++) {
> +		for (j = 0; j < DATA_LANES_COUNT; j++) {
> +			if (data_lanes[j] != supported_data_lane_mapping[i][j])
>   				break;
>   		}
>   
> -		switch (i) {
> -		case NORMAL_LANE_MAPPING:
> -			break;
> -		case INVERT_LANE_MAPPING:
> -			nb7->swap_data_lanes = true;
> -			dev_info(&nb7->client->dev, "using inverted data lanes mapping\n");
> +		if (j == DATA_LANES_COUNT)
>   			break;
> -		default:
> -			dev_err(&nb7->client->dev, "invalid data lanes mapping\n");
> -			ret = -EINVAL;
> -			goto out_error;
> -		}
> +	}
> +
> +	switch (i) {
> +	case NORMAL_LANE_MAPPING:
> +		break;
> +	case INVERT_LANE_MAPPING:
> +		nb7->swap_data_lanes = true;
> +		dev_info(&nb7->client->dev, "using inverted data lanes mapping\n");
> +		break;
> +	default:
> +		dev_err(&nb7->client->dev, "invalid data lanes mapping\n");
> +		ret = -EINVAL;
> +		goto out_error;
>   	}
>   
>   out_done:

Hi,

Any feedback for this patch?

Regards,
Sundar

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