netdev - Re: [PATCH] i40e: Fix 32 bit shift compilation warnings

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Date:	Fri, 30 Aug 2013 19:12:36 -0700
From:	Jeff Kirsher <jeffrey.t.kirsher@...el.com>
To:	Joe Perches <joe@...ches.com>
Cc:	Jesse Brandeburg <jesse.brandeburg@...el.com>,
	Bruce Allan <bruce.w.allan@...el.com>,
	Carolyn Wyborny <carolyn.wyborny@...el.com>,
	Don Skidmore <donald.c.skidmore@...el.com>,
	Greg Rose <gregory.v.rose@...el.com>,
	Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@...el.com>,
	Alex Duyck <alexander.h.duyck@...el.com>,
	John Ronciak <john.ronciak@...el.com>,
	Tushar Dave <tushar.n.dave@...el.com>,
	e1000-devel@...ts.sourceforge.net, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] i40e: Fix 32 bit shift compilation warnings

On Fri, 2013-08-30 at 18:47 -0700, Joe Perches wrote:
> When dma_addr_t is a 32 bit value, >> 32 emits compiler warnings
> Use ((addr>>16) >>16) to avoid this.
> 
> I presume the macro should actually use the kernel.h
> macro upper_32_bits() eventually.
> 
> Signed-off-by: Joe Perches <joe@...ches.com>
> ---
>  drivers/net/ethernet/intel/i40e/i40e_hmc.h  | 2 +-
>  drivers/net/ethernet/intel/i40e/i40e_type.h | 4 ++--
>  2 files changed, 3 insertions(+), 3 deletions(-)

Thanks again, I will add this patch as well to my queue.

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