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List:       linux-sparc
Subject:    Re: [PATCH] sparc: io_64.h: Replace io function-link macros
From:       David Miller <davem () davemloft ! net>
Date:       2015-01-31 2:07:02
Message-ID: 20150130.180702.537095959594952246.davem () davemloft ! net
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From: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com>
Date: Thu, 29 Jan 2015 15:52:02 +0100

> Function like macros cannot be assigned to function pointers. This patch
> convert the function-like macros into object-macros, that the
> precompiler will replace with the name of the final function.
> 
> With this patch this kind of code will work:
> 
> if (priv->mode_big_endian)
> 	priv.read = ioread32be;
> else
> 	priv.read = ioread32;
> 
> Same approach has been taken on asm-generic/io.h
> 
> Reported-by: kbuild test robot <fengguang.wu@intel.com>
> Fixes: 99082eab63449f9d spi/xilinx: Remove iowrite/ioread wrappers
> Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com>

Acked-by: David S. Miller <davem@davemloft.net>
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