linux-kernel - Re: [PATCH] net: smc91x: constify dev_pm

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Message-Id: <20170629.154945.1255625119131638079.davem@davemloft.net>
Date:   Thu, 29 Jun 2017 15:49:45 -0400 (EDT)
From:   David Miller <davem@...emloft.net>
To:     arvind.yadav.cs@...il.com
Cc:     rmk+kernel@...linux.org.uk, jeremy.linton@....com,
        jarod@...hat.com, nico@...xnic.net, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] net: smc91x: constify dev_pm_ops structures.

From: Arvind Yadav <arvind.yadav.cs@...il.com>
Date: Thu, 29 Jun 2017 11:21:00 +0530

> dev_pm_ops are not supposed to change at runtime. All functions
> working with dev_pm_ops provided by <linux/device.h> work with const
> dev_pm_ops. So mark the non-const structs as const.
> 
> File size before:
>    text	   data	    bss	    dec	    hex	filename
>   18709	    401	      0	  19110	   4aa6	drivers/net/ethernet/smsc/smc91x.o
> 
> File size After adding 'const':
>    text	   data	    bss	    dec	    hex	filename
>   18901	    201	      0	  19102	   4a9e	drivers/net/ethernet/smsc/smc91x.o
> 
> Signed-off-by: Arvind Yadav <arvind.yadav.cs@...il.com>

Applied.