From: David Miller <davem@davemloft.net>
To: matthew.leach@arm.com
Cc: linux-arm-kernel@lists.infradead.org, ankit.jindal@linaro.org,
steve.mcintyre@linaro.org, tushar.jagad@linaro.org,
will.deacon@arm.com, catalin.marinas@arm.com,
netdev@vger.kernel.org, nico@fluxnic.net
Subject: Re: [PATCH 14/14] net: smc91x: dont't use SMC_outw for fixing up halfword-aligned data
Date: Fri, 11 Oct 2013 17:56:22 -0400 (EDT) [thread overview]
Message-ID: <20131011.175622.988103254853137065.davem@davemloft.net> (raw)
In-Reply-To: <1381499540-28794-15-git-send-email-matthew.leach@arm.com>
From: Matthew Leach <matthew.leach@arm.com>
Date: Fri, 11 Oct 2013 14:52:20 +0100
> From: Will Deacon <will.deacon@arm.com>
>
> SMC_outw invokes an endian-aware I/O accessor, which may change the data
> endianness before writing to the device. This is not suitable for data
> transfers where the memory buffer is simply a string of bytes that does
> not require any byte-swapping.
>
> This patches fixes the smc91x SMC_PUSH_DATA macro so that it uses the
> string I/O accessor for outputting the leading or trailing halfwords on
> halfword-aligned buffers.
>
> Cc: <netdev@vger.kernel.org>
> Cc: Nicolas Pitre <nico@fluxnic.net>
> Cc: David S. Miller <davem@davemloft.net>
> Signed-off-by: Will Deacon <will.deacon@arm.com>
Applied.
prev parent reply other threads:[~2013-10-11 21:56 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1381499540-28794-1-git-send-email-matthew.leach@arm.com>
2013-10-11 13:52 ` [PATCH 14/14] net: smc91x: dont't use SMC_outw for fixing up halfword-aligned data Matthew Leach
2013-10-11 20:41 ` Nicolas Pitre
2013-10-11 21:56 ` David Miller [this message]
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