linux-kernel - Re: [PATCH 6/7] staging: r8188eu: IntArray and C2hArray are set but never used

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Date:   Thu, 30 Dec 2021 23:11:10 +0300
From:   Pavel Skripkin <paskripkin@...il.com>
To:     Michael Straube <straube.linux@...il.com>,
        gregkh@...uxfoundation.org
Cc:     Larry.Finger@...inger.net, phil@...lpotter.co.uk,
        linux-staging@...ts.linux.dev, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 6/7] staging: r8188eu: IntArray and C2hArray are set but
 never used

On 12/30/21 23:00, Michael Straube wrote:
> The fields IntArray and C2hArray of struct hal_data_8188e are set but
> never used. Remove them.
> 
> While at it, remove the unsed defines USB_INTR_CONTENT_CPWM1_OFFSET
> and USB_INTR_CONTENT_CPWM2_OFFSET as well.
> 
> Signed-off-by: Michael Straube <straube.linux@...il.com>
> ---

Hi Michael,

thanks for your clean ups!

>   drivers/staging/r8188eu/hal/usb_ops_linux.c     | 10 ----------
>   drivers/staging/r8188eu/include/rtl8188e_hal.h  |  3 ---
>   drivers/staging/r8188eu/include/rtl8188e_spec.h |  7 -------
>   3 files changed, 20 deletions(-)
> 
> diff --git a/drivers/staging/r8188eu/hal/usb_ops_linux.c b/drivers/staging/r8188eu/hal/usb_ops_linux.c
> index 9ec55a77dccd..85bcde5ee79a 100644
> --- a/drivers/staging/r8188eu/hal/usb_ops_linux.c
> +++ b/drivers/staging/r8188eu/hal/usb_ops_linux.c
> @@ -185,20 +185,10 @@ int rtw_writeN(struct adapter *adapter, u32 addr, u32 length, u8 *data)
>   
>   static void interrupt_handler_8188eu(struct adapter *adapt, u16 pkt_len, u8 *pbuf)
>   {
> -	struct hal_data_8188e *haldata = &adapt->haldata;
> -
>   	if (pkt_len != INTERRUPT_MSG_FORMAT_LEN) {
>   		DBG_88E("%s Invalid interrupt content length (%d)!\n", __func__, pkt_len);
>   		return;
>   	}
> -
> -	/*  HISR */
> -	memcpy(&haldata->IntArray[0], &pbuf[USB_INTR_CONTENT_HISR_OFFSET], 4);
> -	memcpy(&haldata->IntArray[1], &pbuf[USB_INTR_CONTENT_HISRE_OFFSET], 4);
> -
> -	/*  C2H Event */
> -	if (pbuf[0] != 0)
> -		memcpy(&haldata->C2hArray[0], &pbuf[USB_INTR_CONTENT_C2H_OFFSET], 16);
>   }
>   

This function can be removed totally then, since it does nothing. Not 
sure if function removal fits this patch, but why not :)



With regards,
Pavel Skripkin