linux-kernel - Re: [PATCH] scsi: ibmvfc: constify dev_pm

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Date:   Thu, 29 Jun 2017 15:39:45 -0700
From:   Tyrel Datwyler <tyreld@...ux.vnet.ibm.com>
To:     Arvind Yadav <arvind.yadav.cs@...il.com>,
        tyreld@...ux.vnet.ibm.com, benh@...nel.crashing.org,
        paulus@...ba.org, mpe@...erman.id.au, jejb@...ux.vnet.ibm.com,
        martin.petersen@...cle.com
Cc:     linux-scsi@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] scsi: ibmvfc: constify dev_pm_ops structures.

On 06/29/2017 12:54 AM, Arvind Yadav wrote:
> 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
>   41937	   1296	     20	  43253	   a8f5	drivers/scsi/ibmvscsi/ibmvfc.o
> 
> File size After adding 'const':
>    text	   data	    bss	    dec	    hex	filename
>   42129	   1104	     20	  43253	   a8f5	drivers/scsi/ibmvscsi/ibmvfc.o
> 
> Signed-off-by: Arvind Yadav <arvind.yadav.cs@...il.com>

Acked-by: Tyrel Datwyler <tyreld@...ux.vnet.ibm.com>