Re: [PATCH] sparc: io_64.h: Replace io function-link macros

From: David Miller
Date: Fri Jan 30 2015 - 21:07:10 EST


From: Ricardo Ribalda Delgado <ricardo.ribalda@xxxxxxxxx>
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@xxxxxxxxx>
> Fixes: 99082eab63449f9d spi/xilinx: Remove iowrite/ioread wrappers
> Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@xxxxxxxxx>

Acked-by: David S. Miller <davem@xxxxxxxxxxxxx>
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/