linux-kernel - Re: [PATCH] arc_emac: fix compile-time errors & warnings on PPC64

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Message-Id: <20130626.013611.177497936507567378.davem@davemloft.net>
Date:	Wed, 26 Jun 2013 01:36:11 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	Alexey.Brodkin@...opsys.com
Cc:	netdev@...r.kernel.org, andy.shevchenko@...il.com,
	romieu@...zoreil.com, joe@...ches.com, Vineet.Gupta1@...opsys.com,
	Mischa.Jonker@...opsys.com, arnd@...db.de, grant.likely@...aro.org,
	rob.herring@...xeda.com, paul.gortmaker@...driver.com,
	linux-kernel@...r.kernel.org, devicetree-discuss@...ts.ozlabs.org,
	florian@...nwrt.org, david.laight@...lab.com
Subject: Re: [PATCH] arc_emac: fix compile-time errors & warnings on PPC64

From: Alexey Brodkin <Alexey.Brodkin@...opsys.com>
Date: Wed, 26 Jun 2013 11:49:26 +0400

> As reported by "kbuild test robot" there were some errors and warnings
> on attempt to build kernel with "make ARCH=powerpc allmodconfig".
> 
> And this patch addresses both errors and warnings.
> Below is a list of introduced changes:
> 1. Fix compile-time errors (misspellings in "dma_unmap_single") on PPC.
> 2. Use DMA address instead of "skb->data" as a pointer to data buffer.
> This fixed warnings on pointer to int conversion on 64-bit systems.
> 3. Re-implemented initial allocation of Rx buffers in "arc_emac_open" in
> the same way they're re-allocated during operation (receiving packets).
> So once again DMA address could be used instead of "skb->data".
> 4. Explicitly use EMAC_BUFFER_SIZE for Rx buffers allocation.
> 
> Signed-off-by: Alexey Brodkin <abrodkin@...opsys.com>

Applied.
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