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From: Wolfgang Denk <wd@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH] net/designware: Add-on: Consecutive writes must have delay
Date: Fri, 08 Jun 2012 00:32:03 +0200	[thread overview]
Message-ID: <20120607223203.5809620000C@gemini.denx.de> (raw)
In-Reply-To: <1339104480-6191-1-git-send-email-dinguyen@altera.com>

Dear Dinh,

In message <1339104480-6191-1-git-send-email-dinguyen@altera.com> you wrote:
> This commit is an add-on to f6c4191f. There are a few other registers where
> consecutive writes must have a delay.

Sorry, but this commit message is misleading - I was expecting to see
something like udelay() in the code, but there wasn't any...

> Signed-off-by: Dinh Nguyen <dinguyen@altera.com>
> ---
>  drivers/net/designware.c |    4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/net/designware.c b/drivers/net/designware.c
> index e8e669b..34952c0 100644
> --- a/drivers/net/designware.c
> +++ b/drivers/net/designware.c
> @@ -163,8 +163,8 @@ static int dw_eth_init(struct eth_device *dev, bd_t *bis)
>  	writel(FIXEDBURST | PRIORXTX_41 | BURST_16,
>  			&dma_p->busmode);
>  
> -	writel(FLUSHTXFIFO | readl(&dma_p->opmode), &dma_p->opmode);
> -	writel(STOREFORWARD | TXSECONDFRAME, &dma_p->opmode);
> +	writel(readl(&dma_p->opmode) | FLUSHTXFIFO | STOREFORWARD | \
> +		TXSECONDFRAME, &dma_p->opmode);

There is no need for the continuation line here; please drop the
backslash.

Hm... Should we not rather use something like setbits_le32() here?


Best regards,

Wolfgang Denk

-- 
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  reply	other threads:[~2012-06-07 22:32 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-06-07 21:28 [U-Boot] [PATCH] net/designware: Add-on: Consecutive writes must have delay Dinh Nguyen
2012-06-07 22:32 ` Wolfgang Denk [this message]
     [not found]   ` <71B37E0559AC6849A68C5BA94C509FB458298D3C24@SJ-ITMSG02.altera.priv.altera.com>
2012-06-07 23:07     ` Wolfgang Denk

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