Re: [PATCH v4] usb: dwc3: remove unused sg struct member

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On Wed, Nov 20, 2024, Luis Felipe Hernandez wrote:
> The sg (scatter-gather list pointer) member of the dwc3_request struct
> is no longer used and should be removed. This patch eliminates the unused
> member, cleaning up the struct.
> 
> This change improves code clarity and avoids maintaining unnecessary 
> members in the structure.
> 
> Reviewed-by: Ricardo B. Marliere <rbm@xxxxxxxx>
> Reported-by: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
> Closes: https://urldefense.com/v3/__https://lore.kernel.org/all/20241118194006.77c7b126@xxxxxxxxxxxxxxxx/__;!!A4F2R9G_pg!eBhj52Qaf_wGZmK74SLHSw2uJlwWgyHE70QFVO3aX8FgZPyykzdriHqQGG88l9Gabsn_lXOPzzuUTERGxVOb0dgDJjEAMf4$ 
> Signed-off-by: Luis Felipe Hernandez <luis.hernandez093@xxxxxxxxx>
> ---
> v2: remove unused sg struct member as per review[1]
> v3: 
>   - Add reported-by tag as per review [2]
>   - Carry over reviewed-by tag from v2 [3]
>   - Update commit subject to reflect maintainers
>   - Update commit message to reflect actual change gathered from 
>     Thinh Nguyen's feedback
> 
> [1] https://urldefense.com/v3/__https://lore.kernel.org/all/20241119020807.cn7ugxnhbkqwrr2b@xxxxxxxxxxxx/__;!!A4F2R9G_pg!eBhj52Qaf_wGZmK74SLHSw2uJlwWgyHE70QFVO3aX8FgZPyykzdriHqQGG88l9Gabsn_lXOPzzuUTERGxVOb0dgD-sCH4TU$ 
> [2] https://urldefense.com/v3/__https://lore.kernel.org/all/2024111922-pantyhose-panorama-6f16@gregkh/__;!!A4F2R9G_pg!eBhj52Qaf_wGZmK74SLHSw2uJlwWgyHE70QFVO3aX8FgZPyykzdriHqQGG88l9Gabsn_lXOPzzuUTERGxVOb0dgDxMWDM-0$ 
> [3] https://urldefense.com/v3/__https://lore.kernel.org/all/5l65sdskdzbehxamff5ax4ptiqhaxh7ewi4umtpp6ynen45nj6@nebuxjg4c4rx/__;!!A4F2R9G_pg!eBhj52Qaf_wGZmK74SLHSw2uJlwWgyHE70QFVO3aX8FgZPyykzdriHqQGG88l9Gabsn_lXOPzzuUTERGxVOb0dgDs-MF_6M$ 
> v4:
>   - Remove out of context paragraph from commit message as per 
>     Thinh Nguyen's[1]
>   - Fix Reported-by, correctly attribute report to Stephen Rothwell
> 
> [1] https://urldefense.com/v3/__https://lore.kernel.org/all/20241119221907.tyt4luboduaymukl@xxxxxxxxxxxx/__;!!A4F2R9G_pg!eBhj52Qaf_wGZmK74SLHSw2uJlwWgyHE70QFVO3aX8FgZPyykzdriHqQGG88l9Gabsn_lXOPzzuUTERGxVOb0dgDudqBTNQ$ 
> ---
>  drivers/usb/dwc3/core.h | 1 -
>  1 file changed, 1 deletion(-)
> 
> diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h
> index ee73789326bc..3be069c4520e 100644
> --- a/drivers/usb/dwc3/core.h
> +++ b/drivers/usb/dwc3/core.h
> @@ -956,7 +956,6 @@ struct dwc3_request {
>  	struct usb_request	request;
>  	struct list_head	list;
>  	struct dwc3_ep		*dep;
> -	struct scatterlist	*sg;
>  	struct scatterlist	*start_sg;
>  
>  	unsigned int		num_pending_sgs;
> -- 
> 2.47.0
> 

Acked-by: Thinh Nguyen <Thinh.Nguyen@xxxxxxxxxxxx>

Thanks,
Thinh




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