linux-kernel - Re: [PATCH 03/13] net: mvneta: fix bit assignment in MVNETA_RXQ_CONFIG

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Message-ID: <87oaei7x8h.fsf@free-electrons.com>
Date:	Wed, 25 Nov 2015 19:25:02 +0100
From:	Gregory CLEMENT <gregory.clement@...e-electrons.com>
To:	Marcin Wojtas <mw@...ihalf.com>
Cc:	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	netdev@...r.kernel.org, davem@...emloft.net,
	linux@....linux.org.uk, sebastian.hesselbarth@...il.com,
	andrew@...n.ch, jason@...edaemon.net,
	thomas.petazzoni@...e-electrons.com, simon.guinot@...uanux.org,
	nadavh@...vell.com, alior@...vell.com, xswang@...vell.com,
	myair@...vell.com, nitroshift@...oo.com, jaz@...ihalf.com,
	tn@...ihalf.com, <stable@...r.kernel.org>
Subject: Re: [PATCH 03/13] net: mvneta: fix bit assignment in MVNETA_RXQ_CONFIG_REG

Hi Marcin,
 
 On dim., nov. 22 2015, Marcin Wojtas <mw@...ihalf.com> wrote:

> MVNETA_RXQ_HW_BUF_ALLOC bit which controls enabling hardware buffer
> allocation was mistakenly set as BIT(1). This commit fixes the
> assignment.

I confirm it from the datasheet I got:

Reviewed-by: Gregory CLEMENT <gregory.clement@...e-electrons.com>

Thanks,

Gregory


>
> Signed-off-by: Marcin Wojtas <mw@...ihalf.com>
> Cc: <stable@...r.kernel.org> # v3.8+
> ---
>  drivers/net/ethernet/marvell/mvneta.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c
> index 0f30aaa..d12b8c6 100644
> --- a/drivers/net/ethernet/marvell/mvneta.c
> +++ b/drivers/net/ethernet/marvell/mvneta.c
> @@ -36,7 +36,7 @@
>  
>  /* Registers */
>  #define MVNETA_RXQ_CONFIG_REG(q)                (0x1400 + ((q) << 2))
> -#define      MVNETA_RXQ_HW_BUF_ALLOC            BIT(1)
> +#define      MVNETA_RXQ_HW_BUF_ALLOC            BIT(0)
>  #define      MVNETA_RXQ_PKT_OFFSET_ALL_MASK     (0xf    << 8)
>  #define      MVNETA_RXQ_PKT_OFFSET_MASK(offs)   ((offs) << 8)
>  #define MVNETA_RXQ_THRESHOLD_REG(q)             (0x14c0 + ((q) << 2))
> -- 
> 1.8.3.1
>

-- 
Gregory Clement, Free Electrons
Kernel, drivers, real-time and embedded Linux
development, consulting, training and support.
http://free-electrons.com
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