Re: [PATCH] USB: serial: iuu_phoenix: remove redundant assignment of DIV to itself

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Am 20.11.2017 18:40, schrieb Colin King:
> From: Colin Ian King <colin.king@xxxxxxxxxxxxx>
> 
> The assignment of DIV to itself is redundant and can be removed.
> 
> Signed-off-by: Colin Ian King <colin.king@xxxxxxxxxxxxx>
> ---
>  drivers/usb/serial/iuu_phoenix.c | 1 -
>  1 file changed, 1 deletion(-)
> 
> diff --git a/drivers/usb/serial/iuu_phoenix.c b/drivers/usb/serial/iuu_phoenix.c
> index 397a8012ffa3..62c91e360baf 100644
> --- a/drivers/usb/serial/iuu_phoenix.c
> +++ b/drivers/usb/serial/iuu_phoenix.c
> @@ -472,7 +472,6 @@ static int iuu_clk(struct usb_serial_port *port, int dwFrq)
>  				}
>  	}
>  	P2 = ((P - PO) / 2) - 4;
> -	DIV = DIV;
>  	PUMP = 0x04;
>  	PBmsb = (P2 >> 8 & 0x03);
>  	PBlsb = P2 & 0xFF;

These all all-upper-case stuff makes me a bit nervous. Normally this
is reserved for #define ( I assume that the programmer refers to
the original documentation) a point to change ?

btw: i noticed  int frq = (int)dwFrq;
since dwFrq is already an in, the cast is useless.

just ym 2 cents,

re,
 wh



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