netdev - Re: [PATCH v3 3/3] tg3: add support for Ethernet core in bcm4785

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Message-ID: <1360202768.796.6.camel@LTIRV-MCHAN1.corp.ad.broadcom.com>
Date:	Wed, 6 Feb 2013 18:06:08 -0800
From:	"Michael Chan" <mchan@...adcom.com>
To:	"Hauke Mehrtens" <hauke@...ke-m.de>
cc:	davem@...emloft.net, mcarlson@...adcom.com, nsujir@...adcom.com,
	netdev@...r.kernel.org, m@...s.ch
Subject: Re: [PATCH v3 3/3] tg3: add support for Ethernet core in
 bcm4785

On Wed, 2013-02-06 at 23:46 +0100, Hauke Mehrtens wrote: 
> @@ -16165,7 +16256,8 @@ static int tg3_test_dma(struct tg3 *tp)
>                         if (tg3_flag(tp, 40BIT_DMA_BUG) &&
>                             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704)
>                                 tp->dma_rwctrl |= 0x8000;
> -                       else if (ccval == 0x6 || ccval == 0x7)
> +                       else if ((ccval == 0x6 || ccval == 0x7) ||
> +                                tg3_flag(tp, ONE_DMA_AT_ONCE))

This code path is only for the older 5703 and 5704.  So it won't be
applicable for this ethernet core, right?

>                                 tp->dma_rwctrl |= DMA_RWCTRL_ONE_DMA;
>  
>                         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703) 


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