linux-kernel - RE: [PATCH] usb: gadget: udc: renesas_usb3: make const array max_packet

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Message-ID: <TY1PR06MB09927D0D89543188738EC6DFD8500@TY1PR06MB0992.apcprd06.prod.outlook.com>
Date:   Mon, 6 Nov 2017 09:34:21 +0000
From:   Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com>
To:     Colin King <colin.king@...onical.com>,
        Felipe Balbi <balbi@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        KAZUYA MIZUGUCHI <kazuya.mizuguchi.ks@...esas.com>,
        "linux-usb@...r.kernel.org" <linux-usb@...r.kernel.org>
CC:     "kernel-janitors@...r.kernel.org" <kernel-janitors@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH] usb: gadget: udc: renesas_usb3: make const array
 max_packet_array static

Hi Colin,

> From: Colin King, Sent: Friday, November 3, 2017 12:53 AM
> 
> From: Colin Ian King <colin.king@...onical.com>
> 
> Don't populate the const array max_packet_array on the stack, instead make
> it static. Makes the object code smaller by over 90 bytes:
> 
> Before:
>    text	   data	    bss	    dec	    hex	filename
>   34337	   5612	    128	  40077	   9c8d	renesas_usb3.o
> 
> After:
>    text	   data	    bss	    dec	    hex	filename
>   34149	   5708	    128	  39985	   9c31	renesas_usb3.o
> 
> (gcc version 7.2.0 x86_64)
> 
> Signed-off-by: Colin Ian King <colin.king@...onical.com>

Thank you for the patch!

Acked-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com>

Best regards,
Yoshihiro Shimoda