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From: Heiko Schocher <hs@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH v3] net: Fix cache misalignment message after network load operations
Date: Wed, 14 Sep 2016 06:22:27 +0200	[thread overview]
Message-ID: <57D8D083.3060901@denx.de> (raw)
In-Reply-To: <20160914034905.28795-1-Peter.Chubb@data61.csiro.au>

Hello Peter,

Am 14.09.2016 um 05:49 schrieb Peter.Chubb at data61.csiro.au:
> After any operation that downloads a file (e.g., pxe get, or dhcp), the
> buffer containing the downloaded data is flushed.  This is unnecessary
> and annoying.  Unnecessary, because
> the network driver should already have fliushed the cache for the DMAed area,
> and annoying because it generates a cache misalignment message.
>
> Signed-off-by: Peter Chubb <peter.chubb@data61.csiro.au>
> ---
>   cmd/net.c |    3 ---
>   1 file changed, 3 deletions(-)

I posted a fix for this here:
http://patchwork.ozlabs.org/patch/663489/

but I did not remove the flush operation ... can we really remove it?

If so, you can add my
Acked-by: Heiko Schocher <hs@denx.de>

bye,
Heiko
>
> Index: u-boot/cmd/net.c
> ===================================================================
> --- u-boot.orig/cmd/net.c	2016-09-07 13:50:46.616156851 +1000
> +++ u-boot/cmd/net.c	2016-09-07 19:18:18.962450874 +1000
> @@ -243,9 +243,6 @@ static int netboot_common(enum proto_t p
>   		return CMD_RET_SUCCESS;
>   	}
>
> -	/* flush cache */
> -	flush_cache(load_addr, size);
> -
>   	bootstage_mark(BOOTSTAGE_ID_NET_LOADED);
>
>   	rcode = bootm_maybe_autostart(cmdtp, argv[0]);
> _______________________________________________
> U-Boot mailing list
> U-Boot at lists.denx.de
> http://lists.denx.de/mailman/listinfo/u-boot
>

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DENX Software Engineering GmbH,      Managing Director: Wolfgang Denk
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany

  reply	other threads:[~2016-09-14  4:22 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-09-14  3:49 [U-Boot] [PATCH v3] net: Fix cache misalignment message after network load operations Peter.Chubb at data61.csiro.au
2016-09-14  4:22 ` Heiko Schocher [this message]
2016-09-14  4:48   ` Peter.Chubb at data61.csiro.au
2016-09-23 20:53 ` Joe Hershberger
2016-10-06  0:14 ` [U-Boot] [U-Boot, " Tom Rini
2016-10-11 20:50   ` Joe Hershberger
2016-10-13 17:39 ` [U-Boot] " Joe Hershberger

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