[dpdk-dev] [PATCH 6/8] drivers/net/e1000/igb: Signed left shift operator

Zhang, Helin helin.zhang at intel.com
Fri Mar 18 01:54:30 CET 2016



> -----Original Message-----
> From: Aaron Conole [mailto:aconole at redhat.com]
> Sent: Friday, February 26, 2016 2:49 AM
> To: dev at dpdk.org
> Cc: Lu, Wenzhuo <wenzhuo.lu at intel.com>; Zhang, Helin
> <helin.zhang at intel.com>; Ananyev, Konstantin
> <konstantin.ananyev at intel.com>; Richardson, Bruce
> <bruce.richardson at intel.com>
> Subject: [PATCH 6/8] drivers/net/e1000/igb: Signed left shift operator
> 
> Tell the compiler to use an unsigned constant for the config shifts.
> 
> Signed-off-by: Aaron Conole <aconole at redhat.com>
Acked-by: Helin Zhang <helin.zhang at intel.com>
> ---
>  drivers/net/e1000/igb_pf.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/net/e1000/igb_pf.c b/drivers/net/e1000/igb_pf.c index
> 1d00dda..afe80f5 100644
> --- a/drivers/net/e1000/igb_pf.c
> +++ b/drivers/net/e1000/igb_pf.c
> @@ -172,8 +172,8 @@ int igb_pf_host_configure(struct rte_eth_dev *eth_dev)
>  	E1000_WRITE_REG(hw, E1000_VT_CTL, vtctl);
> 
>  	/* Enable pools reserved to PF only */
> -	E1000_WRITE_REG(hw, E1000_VFRE, (~0) << vf_num);
> -	E1000_WRITE_REG(hw, E1000_VFTE, (~0) << vf_num);
> +	E1000_WRITE_REG(hw, E1000_VFRE, (~0U) << vf_num);
> +	E1000_WRITE_REG(hw, E1000_VFTE, (~0U) << vf_num);
> 
>  	/* PFDMA Tx General Switch Control Enables VMDQ loopback */
>  	if (hw->mac.type == e1000_i350)
> --
> 2.5.0



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