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From: Nicolas Ferre <nicolas.ferre@microchip.com>
To: Ben Dooks <ben.dooks@codethink.co.uk>, <netdev@vger.kernel.org>,
	<pabeni@redhat.com>, <kuba@kernel.org>, <edumazet@google.com>,
	<davem@davemloft.net>
Cc: <linux-kernel@vger.kernel.org>, <claudiu.beznea@microchip.com>
Subject: Re: net: macb: sparse warning fixes
Date: Fri, 23 Jun 2023 15:16:23 +0200	[thread overview]
Message-ID: <66f00ffc-571b-86b3-5c35-b9ce566cc149@microchip.com> (raw)
In-Reply-To: <20230622130507.606713-1-ben.dooks@codethink.co.uk>

Hi Ben,

On 22/06/2023 at 15:05, Ben Dooks wrote:
> These are 3 hopefully easy patches for fixing sparse errors due to
> endian-ness warnings. There are still some left, but there are not
> as easy as they mix host and network fields together.
> 
> For example, gem_prog_cmp_regs() has two u32 variables that it does
> bitfield manipulation on for the tcp ports and these are __be16 into
> u32, so not sure how these are meant to be changed. I've also no hardware
> to test on, so even if these did get changed then I can't check if it is
> working pre/post change.

Do you know if there could be any impact on performance (even if limited)?

Best regards,
   Nicolas

> Also gem_writel and gem_writel_n, it is not clear if both of these are
> meant to be host order or not.
> 
> Ben Dooks (3):
>    net: macb: check constant to define and fix __be32 warnings
>    net: macb: add port constant to fix __be16 warnings
>    net: macb: fix __be32 warnings in debug code
> 
>   drivers/net/ethernet/cadence/macb_main.c | 25 +++++++++++++-----------
>   1 file changed, 14 insertions(+), 11 deletions(-)

-- 
Nicolas Ferre


  parent reply	other threads:[~2023-06-23 13:17 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-06-22 13:05 Ben Dooks
2023-06-22 13:05 ` [PATCH 1/3] net: macb: check constant to define and fix __be32 warnings Ben Dooks
2023-06-22 15:49   ` Simon Horman
2023-06-23  9:40     ` Ben Dooks
2023-06-23 11:02       ` Simon Horman
2023-06-22 13:05 ` [PATCH 2/3] net: macb: add port constant to fix __be16 warnings Ben Dooks
2023-06-22 13:05 ` [PATCH 3/3] net: macb: fix __be32 warnings in debug code Ben Dooks
2023-06-22 15:44   ` Simon Horman
2023-06-23  9:43     ` Ben Dooks
2023-06-23 11:01       ` Simon Horman
2023-06-23 13:16 ` Nicolas Ferre [this message]
2023-06-23 15:38   ` net: macb: sparse warning fixes Andrew Lunn
2023-06-23 15:42     ` Nicolas Ferre
2023-07-03  8:10   ` Ben Dooks

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