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Subject: Re: [PATCH 07/10] staging: r8188eu: clean up the usb_writeXY
 functions
To:     Martin Kaiser <martin@kaiser.cx>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc:     Larry Finger <Larry.Finger@lwfinger.net>,
        Phillip Potter <phil@philpotter.co.uk>,
        Dan Carpenter <dan.carpenter@oracle.com>,
        linux-staging@lists.linux.dev, linux-kernel@vger.kernel.org
References: <20210821164859.4351-1-martin@kaiser.cx>
 <20210821164859.4351-7-martin@kaiser.cx>
From:   Michael Straube <straube.linux@gmail.com>
Message-ID: <a146d415-3cd9-8ad1-4a20-06f304eb0487@gmail.com>
Date:   Sun, 22 Aug 2021 14:27:58 +0200
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On 8/21/21 6:48 PM, Martin Kaiser wrote:
> Remove unnecessary variables, summarize declarations and assignments.
> 
> Signed-off-by: Martin Kaiser <martin@kaiser.cx>
> ---
>   drivers/staging/r8188eu/hal/usb_ops_linux.c | 50 ++++-----------------
>   1 file changed, 8 insertions(+), 42 deletions(-)
> 
> diff --git a/drivers/staging/r8188eu/hal/usb_ops_linux.c b/drivers/staging/r8188eu/hal/usb_ops_linux.c
> index cb969a200681..e01f1ac19596 100644
> --- a/drivers/staging/r8188eu/hal/usb_ops_linux.c
> +++ b/drivers/staging/r8188eu/hal/usb_ops_linux.c
> @@ -128,59 +128,25 @@ static u32 usb_read32(struct intf_hdl *pintfhdl, u32 addr)
>   
>   static int usb_write8(struct intf_hdl *pintfhdl, u32 addr, u8 val)
>   {
> -	u16 wvalue;
> -	u16 len;
> -	u8 data;
> -	int ret;
> -
> -
> -	wvalue = (u16)(addr & 0x0000ffff);
> -	len = 1;
> -	data = val;
> -	ret = usbctrl_vendorreq(pintfhdl, wvalue, &data, len, REALTEK_USB_VENQT_WRITE);
> +	u16 wvalue = (u16)(addr & 0x0000ffff);
>   
> -	return ret;
> +	return usbctrl_vendorreq(pintfhdl, wvalue, &val, 1, REALTEK_USB_VENQT_WRITE);
>   }
>   
>   static int usb_write16(struct intf_hdl *pintfhdl, u32 addr, u16 val)
>   {
> -	u16 wvalue;
> -	u16 len;
> -	__le32 data;
> -	int ret;
> -
> -
> -
> -	wvalue = (u16)(addr & 0x0000ffff);
> -	len = 2;
> -
> -	data = cpu_to_le32(val & 0x0000ffff);
> -
> -	ret = usbctrl_vendorreq(pintfhdl, wvalue, &data, len, REALTEK_USB_VENQT_WRITE);
> -
> -
> +	u16 wvalue = (u16)(addr & 0x0000ffff);
> +	__le32 data = cpu_to_le32(val & 0x0000ffff);
>   
> -	return ret;
> +	return usbctrl_vendorreq(pintfhdl, wvalue, &data, 2, REALTEK_USB_VENQT_WRITE);
>   }
>   
>   static int usb_write32(struct intf_hdl *pintfhdl, u32 addr, u32 val)
>   {
> -	u16 wvalue;
> -	u16 len;
> -	__le32 data;
> -	int ret;
> -
> -
> -
> -	wvalue = (u16)(addr & 0x0000ffff);
> -	len = 4;
> -	data = cpu_to_le32(val);
> -
> -	ret = usbctrl_vendorreq(pintfhdl, wvalue, &data, len, REALTEK_USB_VENQT_WRITE);
> -
> -
> +	u16 wvalue = (u16)(addr & 0x0000ffff);
> +	__le32 data = cpu_to_le32(val);
>   
> -	return ret;
> +	return usbctrl_vendorreq(pintfhdl, wvalue, &data, 4, REALTEK_USB_VENQT_WRITE);
>   }
>   
>   static int usb_writeN(struct intf_hdl *pintfhdl, u32 addr, u32 length, u8 *pdata)
> 

Looks good to me.

Acked-by: Michael Straube <straube.linux@gmail.com>

Thanks,
Michael